Allied Telesis AT-GS950/48PS - Manual

Preface 18 Document Conventions This document uses the following conventions: Note Notes provide additional information. Caution Cautions inform you that performing or omitting a specific action may result in equipment damage or loss of data. Warning Warnings inform you that performing or omitting a...

AT-GS950/48PS Switch Web Interface User’s Guide 19 Allied Telesis Contact Information If you need assistance with this product, you may contact Allied Telesis technical support by going to the Support & Services section of the Allied Telesis web site at www.alliedtelesis.com/support . You can fi...

21 Section I Getting Started This section contains the following chapters:  Chapter 1, “Starting a Web Browser Session” on page 23  Chapter 2, “System Configuration” on page 29

23 Chapter 1 Starting a Web Browser Session This chapter contains the procedures for starting, using, and quitting a web browser management session on the AT-GS950/48PS switch. This chapter includes the following sections:  “Establishing a Remote Connection to the Web Browser Interface” on page 24 ...

Chapter 1: Starting a Web Browser Session 24 Establishing a Remote Connection to the Web Browser Interface The AT-GS950/48PS switch is shipped with a pre-assigned IP address of 192.168.1.1. After your initial login, Allied Telesis suggests that you assign a new IP address to your switch. To manually...

AT-GS950/48PS Switch Web Interface User’s Guide 27 Web Browser Tools You can use the web browser tools to move around the management pages. Selecting Back on your browser’s toolbar returns you to the previous display. You can also use the browser’s Bookmark feature to save the link to the switch.

Chapter 1: Starting a Web Browser Session 28 Quitting a Web Browser Management Session To exit a web browser management session, close the web browser.

29 Chapter 2 System Configuration This chapter provides procedures to configuring basic system parameters for the AT-GS950/48PS switch and contains information for the following sections:  “System Management Information” on page 30  “Configuration of IP Address, Subnet Mask and Gateway Address” on...

Chapter 2: System Configuration 30 System Management Information This section explains how to assign a name, location, and contact information for the AT-GS950/48PS switch. This information helps in identifying each specific AT-GS950/48PS switch among other switches in the same local area network. E...

Chapter 2: System Configuration 32 Configuration of IP Address, Subnet Mask and Gateway Address This procedure explains how to change the IP address, subnet mask, and gateway address of the switch. Before performing the procedure, note the following:  A gateway address is only required if you want ...

Chapter 2: System Configuration 34 IP Access List Configuration When the IP Access List feature is enabled, remote access to the AT-S111 management software is restricted to the IP addresses entered into the IP Access List. The procedures in this section describe how to enable or disable the IP Acce...

AT-GS950/48PS Switch Web Interface User’s Guide 35 5. From the IP Restriction Status field, select one of the following choices from the pull-down menu: Enable - This selection restricts the access to the AT-S111 management software to the IP addresses in the table listed under Accessible IP . Disab...

Chapter 2: System Configuration 36 User Name and Password Configuration Password protection is always enabled for access to the AT-S111 Management software. This section explains how to create new users names and passwords and how to modify or delete existing users for the web interface. See the fol...

AT-GS950/48PS Switch Web Interface User’s Guide 37 4. To add a password that corresponds to the user name entered in step 3, enter a password of up to 12 alphanumeric characters in the box next to the Password field. The Password field is case sensitive. 5. To confirm the password entry, retype the ...

Chapter 2: System Configuration 38 Delete User Name and Password To delete a user name that you have previously added, perform the following procedure. 1. From the main menu on the left side of the page, click the System folder.The System folder expands. 2. From the System folder, select Administrat...

AT-GS950/48PS Switch Web Interface User’s Guide 39 User Interface Configuration This procedure explains how to enable and disable the user interfaces on the switch. With this procedure you can enable or disable the AT-GS950/48PS SNMP Agent. For more information about SNMP, go to Chapter 16, “SNMPv1 ...

Chapter 2: System Configuration 40 4. Click Apply located under the Web Server Status Enable/Disable field. 5. From the main menu on the left side of the page, select Save Configuration to Flash to permanently save your changes. User Interface Timeout To set the Web Idle Timeout, perform the followi...

AT-GS950/48PS Switch Web Interface User’s Guide 41 System Time The procedures in this section describe how to configure the system time by manually entering the time or through SNTP and how to configure the daylight savings time feature. See the following sections:  “Manually Setting System Time” o...

Chapter 2: System Configuration 42 4. In the Local Time Settings section, set the Date Setting (YYYY:MM:DD) to the current date in the YYYY:MM:DD format. 5. In the Local Time Settings section, set the Time Settings (HH:MM:SS) to the current time in the HH:MM:SS format. 6. Click the Apply button at t...

AT-GS950/48PS Switch Web Interface User’s Guide 43 Setting Daylight Savings Parameters If you want to configure the switch for daylight savings time, perform the following procedure: 1. From the main menu on the left side of the page, click the System folder.The System folder expands. 2. From the Sy...

Chapter 2: System Configuration 44 SSL Settings The AT-GS950/48PS switch has a web browser server for remote management of the unit with a web browser application from management workstations on your network. By default, the server operates in a non-secure HTTP mode and can be configured to communic...

Chapter 2: System Configuration 46 DHCP and ATI Web Discovery Tool The AT-GS950/48PS Gigabit Ethernet Smart switch is managed through a web browser interface only. The factory default IP address is 192.168.1.1. The switch does not have a local console connector, which means that you cannot learn wha...

AT-GS950/48PS Switch Web Interface User’s Guide 47 DHCP Client Configuration This procedure explains how to activate and deactivate the DHCP client on the AT-GS950/48PS switch. When the client is activated, the switch obtains its IP configuration including an IP address and subnet mask from a DHCP s...

AT-GS950/48PS Switch Web Interface User’s Guide 49 DHCP Auto Configuration If you need to automatically update the switch’s configuration files via a remote server, the DHCP Auto Configuration feature is available for this purpose via the DHCP server. Note You must enable the DHCP client so that thi...

Chapter 2: System Configuration 50 System Information Display The Switch Information page is initially displayed when you first log into the AT-GS950/48PS switch. It provides general information about the switch. To view this information, perform the following procedure: 1. From the main menu on the...

Chapter 2: System Configuration 52 System Log Configuration The System log is designed to monitor the operation the AT-GS950/48PS switch by recording the event messages it generates during normal operation. These events may provide vital information about system activity that can help in the identif...

55 Section II Bridge Configuration This section contains the following chapters:  Chapter 3, “Port Configuration” on page 57  Chapter 4, “STP and RSTP” on page 63  Chapter 5, “Multiple Spanning Tree Protocol” on page 81  Chapter 6, “Static Port Trunking” on page 95  Chapter 7, “LACP Port Trunks...

57 Chapter 3 Port Configuration This chapter provides a description of the physical characteristics of the ports and a procedure that explains how to view and change the port settings. This chapter includes the following sections:  “Overview” on page 58  “Displaying and Configuring Ports” on page ...

Chapter 3: Port Configuration 58 Overview This chapter describes how to display and modify the physical characteristics of an AT-GS950/48PS switch. You can display and modify the settings of all the ports on one web page. The port characteristics that are displayed are:  Trunk Group Number  Port t...

AT-GS950/48PS Switch Web Interface User’s Guide 59 Displaying and Configuring Ports This procedure explains how to configure the ports on the AT-GS950/48PS switch using the Port Configuration Page. This page allows you to view and configure the parameter settings of individual or all the switch port...

63 Chapter 4 STP and RSTP This chapter provides background information about the Spanning Tree Protocol (STP) and the Rapid Spanning Tree Protocol (RSTP). In addition, there are procedures to configure STP and RSTP. The sections in the chapter include:  “Overview” on page 64  “Basic STP and RSTP C...

AT-GS950/48PS Switch Web Interface User’s Guide 65 Bridge Priority and the Root Bridge The first task that bridges perform when a spanning tree protocol is activated on a network is the selection of a root bridge . A root bridge distributes network topology information to the other network bridges a...

Chapter 4: STP and RSTP 66 Path Costs and Port Costs After the root bridge has been selected, the bridges determine if the network contains redundant paths and, if one is found, select a preferred path while placing the redundant paths in a backup or blocking state. Where there is only one path betw...

AT-GS950/48PS Switch Web Interface User’s Guide 67 . Forwarding Delay and Topology Changes If there is a change in the network topology due to a failure, removal, or addition of any active components, the active topology also changes. This may trigger a change in the state of some blocked ports. How...

Chapter 4: STP and RSTP 68 The forwarding delay value is adjustable in the AT-S111 Management software. The appropriate value for this parameter depends on a number of variables; the size of your network is a primary factor. For large networks, you should specify a value large enough to allow the ro...

AT-GS950/48PS Switch Web Interface User’s Guide 69 Figure 17. Point-to-Point Ports A port operates as an edge port when it is connected to a network terminal device such as a workstation or a server. An edge port on a bridge should not have any STP or RSTP devices connected to it either directly or ...

Chapter 4: STP and RSTP 70 in STP mode. Spanning Tree and VLANs The spanning tree implementation in the AT-S111 Management software can be a single-instance spanning tree as described in this chapter. If you choose to define multiple spanning trees on this switch, go to Chapter 5, “Multiple Spanning...

Chapter 4: STP and RSTP 72 Basic STP and RSTP Configuration To configure the basic STP and RSTP settings, perform the following procedure: 1. From the main menu on the left side of the page, select Bridge . The Bridge folder expands. 2. From the Bridge folder, select the Spanning Tree folder. The Sp...

AT-GS950/48PS Switch Web Interface User’s Guide 75 Configure RSTP Port Settings This section contains the following topics:  “Configure the Basic RSTP Port Settings,” next  “Configure the Advanced RSTP Port Settings” on page 77 Configure the Basic RSTP Port Settings To configure the basic RSTP por...

Chapter 4: STP and RSTP 80 Spanning Tree Topology To view the current spanning tree topology, perform the following procedure: 1. From the main menu on the left side of the page, select Bridge . This folder expands. 2. From the Bridge folder, select the Spanning Tree folder. 3. From the Spanning Tre...

81 Chapter 5 Multiple Spanning Tree Protocol This chapter provides the procedures for configuring Multiple Spanning Tree Protocol (MSTP). You can find an overview and configuration guidelines for this feature in “MSTP Overview” on page 349. When you configure MSTP, the information should be entered ...

Chapter 5: Multiple Spanning Tree Protocol 82 Multiple Spanning Tree Configuration To configure the MSTP settings, perform the following procedure: 1. From the main menu on the left side of the page, select Bridge . The Bridge folder expands. 2. From the Bridge folder, select the Spanning Tree folde...

Chapter 5: Multiple Spanning Tree Protocol 88 VLAN Mapping You can create, modify and delete MSTP settings with the procedures in the following sections:  ”Open MSTP VLAN Mapping Page”  ”Create VLAN Mapping to MST Instance”.  “Modify MST Instance” on page 89.  “Delete MST Instance” on page 89. O...

AT-GS950/48PS Switch Web Interface User’s Guide 89 5. From the main menu on the left side of the page, select Save Configuration to Flash to permanently save your changes. Modify MST Instance If you wish to modify a MST Instance, you must first delete the instance and then redefine it. Refer to “Cre...

Chapter 5: Multiple Spanning Tree Protocol 90 Port Settings To configure the MSTP port settings, perform the following procedure: 1. From the main menu on the left side of the page, select Bridge . The Bridge folder expands. 2. From the Bridge folder, select the Spanning Tree folder. The Spanning Tr...

Chapter 5: Multiple Spanning Tree Protocol 92 Topology Information To configure the MSTP port settings, perform the following procedure: 1. From the main menu on the left side of the page, select Bridge . The Bridge folder expands. 2. From the Bridge folder, select the Spanning Tree folder. The Span...

95 Chapter 6 Static Port Trunking This chapter contains a description of port trunking and the procedures for creating, modifying, and deleting a static port trunk. The following topics are discussed:  “Overview” on page 96  “Create a Port Trunk” on page 99  “Modify a Port Trunk” on page 101  “D...

Chapter 6: Static Port Trunking 96 Overview A port trunk is an economical way for you to increase the bandwidth between the Ethernet switch and another networking device, such as a network server, router, workstation, or another Ethernet switch. A port trunk is a group of ports that have been groupe...

AT-GS950/48PS Switch Web Interface User’s Guide 97 Network equipment vendors tend to employ different techniques to implement static trunks. Consequently, a static trunk on one device may be incompatible with the same feature on a device from a different manufacturer. For this reason static trunks a...

AT-GS950/48PS Switch Web Interface User’s Guide 99 Create a Port Trunk This procedure explains how to create a static port trunk. Caution Do not connect the cables of a port trunk to the ports on the switch until you have configured the ports on both the switch and the end nodes. Connecting the cabl...

AT-GS950/48PS Switch Web Interface User’s Guide 101 Modify a Port Trunk This procedure explains how to change the status of a port trunk and add or remove ports from a port trunk. Caution Before you disable or modify a port trunk, disconnect all of the cables from the ports of the trunk. Leaving the...

AT-GS950/48PS Switch Web Interface User’s Guide 103 Disable a Port Trunk This procedure explains how to disable a port trunk. Caution Before you disable or modify a port trunk, disconnect all of the cables from the ports of the trunk. Leaving the cables connected during the reconfiguration of a trun...

AT-GS950/48PS Switch Web Interface User’s Guide 105 Chapter 7 LACP Port Trunks This chapter contains overview information about LACP port trunks and the procedures for setting this feature. This chapter contains the following sections:  “Overview” on page 106  “System Priority” on page 107  “Port...

AT-GS950/48PS Switch Web Interface User’s Guide 107 System Priority It is possible for two devices interconnected by an aggregate trunk to encounter a conflict when they form the trunk. For example, the two devices might not support the same number of active ports in an aggregate trunk or might not ...

Chapter 7: LACP Port Trunks 108 Port Priority Value The switch uses a port’s LACP priority to determine which ports are active and which are in the standby mode in situations where the number of ports in the aggregate trunk exceeds the highest allowed number of active ports. This parameter is a valu...

AT-GS950/48PS Switch Web Interface User’s Guide 111 Group Status To display the LACP Group Status, perform the following procedure: 1. Select the Bridge folder. The Bridge folder expands. 2. From the Bridge folder , select the Trunk Config folder. The Trunk Config folder expands. 3. From the Trunk C...

Chapter 7: LACP Port Trunks 112 The System Priority is a preassigned value that you cannot alter. This value applies to the switch. See “System Priority” on page 107. The System ID is a MAC address value assigned to the individual switch. You cannot change this value. Group 1 to 8 indicates the ID n...

Chapter 7: LACP Port Trunks 114 Port Priority Configuration To select a priority for an LACP port, perform the following procedure: 1. Select the Bridge folder. The Bridge folder expands. 2. From the Bridge folder , select the Trunk Config folder. The Trunk Config folder expands. 3. From the Trunk C...

115 Chapter 8 Port Mirroring This chapter describes the Port Mirroring feature and the procedure for setting up port mirroring. Port mirroring allows you to unobtrusively monitor the ingress and egress traffic on a port by having the traffic copied to another port. This chapter contains the followin...

AT-GS950/48PS Switch Web Interface User’s Guide 117 Port Mirroring Configuration To configure Port Mirroring, perform the following procedure: 1. Select the Bridge folder . The Bridge folder expands. 2. From the Bridge folder , select Mirroring . The Mirroring Page is displayed. A partial view is sh...

Chapter 8: Port Mirroring 118 Disable Port Mirroring To disable Port Mirroring, perform the following procedure: 1. Select the Bridge folder . The Bridge folder expands. 2. From the Bridge folder , select Mirroring . The Mirroring page is shown in Figure 36 on page 117. 3. From the Status field, sel...

119 Chapter 9 Loopback Protection This chapter explains how to configure the Loopback Protection feature for specific ports on the AT-GS950/48PS switch. If the Tx and Rx pairs on the same port are connected, then this feature detects this condition and disables the port for a pre-configured amount o...

Chapter 9: Loopback Protection 122 Status The status of the Loopback Detection is given in the Loop Status column of the table at the bottom of the Loopback Detection page. See Figure 37 on page 120. The status is one of the following states: Normal: This status indicates that the port does not have...

123 Chapter 10 MAC Address Table This chapter provides a description of the static multicast MAC address feature and the procedure for configuring it. This chapter includes the following sections:  “Overview” on page 124  “Static Unicast MAC Address Configuration” on page 126  “Static Multicast A...

Chapter 10: MAC Address Table 126 Static Unicast MAC Address Configuration This procedure explains how to set the static multicast feature for each port on the AT-GS950/48PS switch. Before beginning this procedure, you must create either an 802.1Q VLAN ID or a Port-Based VLAN Index. For information ...

Chapter 10: MAC Address Table 128 Modify Static Unicast Address To modify the port assignment of a unicast MAC address in the MAC address table, perform the following procedure: 1. From the main menu on the left side of the page, select the Bridge folder. 2. From the Bridge folder, select Static Uni...

AT-GS950/48PS Switch Web Interface User’s Guide 129 Delete Static Unicast Address To delete a unicast MAC address from the MAC address table, perform the following procedure: 1. From the main menu on the left side of the page, select the Bridge folder. 2. From the Bridge folder, select Static Unicas...

Chapter 10: MAC Address Table 130 Static Multicast Address Configuration This procedure explains how to set the static multicast feature for each port on the AT-GS950/48PS switch. Before beginning this procedure, you must create an 802.1Q VLAN ID or a Port-Based VLAN Index . For information about de...

AT-GS950/48PS Switch Web Interface User’s Guide 133 Modify Static Multicast Address To modify the port assignment of a multicast MAC address in the MAC address table, perform the following procedure: 1. From the main menu on the left side of the page, select the Bridge folder. 2. From the Bridge fol...

Chapter 10: MAC Address Table 134 Delete Static Multicast Address To delete a multicast MAC address from the MAC address table, perform the following procedure: 1. From the main menu on the left side of the page, select the Bridge folder. 1. From the Bridge folder, select Static Multicast . The Stat...

135 Chapter 11 IGMP Snooping This chapter contains a description of the IGMP Snooping procedure as well as procedures for working with IGMP Snooping in the web interface. The following topics are discussed:  “Overview” on page 136  “IGMP Snooping Configuration” on page 138 Note To permanently save...

Chapter 11: IGMP Snooping 138 IGMP Snooping Configuration This procedure explains how to set IGMP snooping and IGMP Snooping Querier on the switch and set the IGMP Snooping (V1) age-out timer. To configure IGMP snooping, perform the following procedure: 1. From the main menu on the left side of the ...

141 Chapter 12 Storm Control This chapter contains a description and configuration procedures for the Storm Control (bandwidth) feature. The following topics are discussed:  “Overview” on page 142  “Configuration” on page 144  “Ingress Rate Limiting” on page 146  “Egress Rate Limiting” on page 1...

AT-GS950/48PS Switch Web Interface User’s Guide 143 Ingress Rate Limiting The Ingress Rate Limiting feature restricts the traffic to a pre-configured data rate that can flow into a port. This data rate limit can be configured in 64 Kbps increments within a range from 64 Kbps to 1000 Mbps. The formul...

Chapter 12: Storm Control 146 Ingress Rate Limiting This procedure explains how to set Bandwidth levels and Status for Ingress Rate Limiting on each port of the AT-GS950/48PS switch. To change the settings of the ingress rate limiting feature, perform the following procedure: 1. From the main menu o...

Chapter 12: Storm Control 148 Egress Rate Limiting This procedure explains how to set Bandwidth levels and Status for Egress Rate Limiting on each port of the AT-GS950/48PS switch. To change the settings of the egress rate limiting feature, perform the following procedure: 1. From the main menu on t...

149 Chapter 13 Virtual LANs This chapter contains a description of Virtual Local Area Networks (VLANs) and the procedures for creating, modifying, and deleting both port-based and tagged VLANs. This chapter contains the following sections:  “VLAN Overview” on page 150  “Assign Ports to a VLAN Mode...

Chapter 13: Virtual LANs 150 VLAN Overview A virtual LAN or VLAN is a group of ports on an Ethernet switch that form a logical Ethernet segment via the AT-S111 Management software. The ports of a VLAN form an independent traffic domain where the traffic generated by the nodes of a VLAN remains withi...

AT-GS950/48PS Switch Web Interface User’s Guide 151 With VLANS, you can reconfigure the LAN segment assignment of an end node connected to the AT-GS950/48PS switch’s management software. Also, you can change the VLAN memberships without moving the workstations physically or change group memberships ...

Chapter 13: Virtual LANs 152 Each port of a port-based VLAN can belong to as many VLANs as needed. Therefore, traffic can be forwarded to the members of the groups to which the port is assigned. For example, port 1 and port 2 are members of group 1 and ports 1 and 3 are members of group 2. In this c...

AT-GS950/48PS Switch Web Interface User’s Guide 153 VLAN Index You must assign a unique number to each tagged VLAN in a network. This number is called the tagged VLAN ID. This number uniquely identifies a tagged VLAN in the AT-GS950/48PS switch and across the network. VLAN Name To create a tagged VL...

Chapter 13: Virtual LANs 154 associates a received untagged packet to the VLAN ID that matches the PVID assigned to the port and the packet is only forwarded to those ports that are members. General Rules for Creating a Tagged VLAN Here is a summary of the rules to observe when you create a tagged V...

AT-GS950/48PS Switch Web Interface User’s Guide 155 Assign Ports to a VLAN Mode The procedure described in this section allows you to assign ports to tagged or a port-based VLAN. In addition, it permits you to display the current VLAN assignment of ports. However, you can assign ports to a port-base...

AT-GS950/48PS Switch Web Interface User’s Guide 157 Tagged VLAN Configuration On a port, the tag information within a frame is examined when it is received to determine if the frame is qualified as a member of a specific tagged VLAN. If it is, it is eligible to be switched to other member ports of t...

Chapter 13: Virtual LANs 158 4. To assign a VLAN ID, type a VLAN ID in the VLAN ID field. The range for this field is 2 to 4,000. You can create a maximum of 255 tagged VLANs. 5. To assign a name to the VLAN, type a unique name in the VLAN Name field. Enter a value of up to 32 characters. For more i...

Chapter 13: Virtual LANs 160 5. You cannot modify the VLAN ID on this web page. If you want to delete the VLAN ID, go to “Delete a Tagged VLAN” on page 160 for more information. 6. To change the VLAN Name, type a new VLAN Name in the VLAN Name field. For more information about this field, refer to “...

Chapter 13: Virtual LANs 162 Tagged VLAN Port Settings To configure a VLAN port that is a member of a Tagged VLAN, perform the following procedure: 1. From the main menu on the left side of the page, select Bridge . The Bridge folder expands. 2. From the Bridge folder, select VLAN . The VLAN folder ...

Chapter 13: Virtual LANs 164 Port-Based VLAN Configuration A port-based VLAN is a group of ports on the switch that form a logical Ethernet segment. This type of VLAN is independent of the header information including VLAN tags in a frame. You can create and delete Port-Based VLANs by following the ...

167 Chapter 14 GVRP This chapter contains the following sections:  “Overview and Guidelines” on page 168  “General Configuration” on page 169  “Port Settings” on page 170  “Time Settings” on page 172

Chapter 14: GVRP 168 Overview and Guidelines The GARP VLAN Registration Protocol (GVRP) allows network devices to share VLAN information and to use the information to modify existing VLANs or create new VLANs, automatically. This makes it easier to manage VLANs that span more than one switch. Withou...

AT-GS950/48PS Switch Web Interface User’s Guide 169 General Configuration Perform the following procedure to enable or disable GVRP: 1. From the main menu on the left side of the page, select Bridge . The Bridge folder expands. 2. From the Bridge folder, select GVRP . The GVRP folder expands. 3. Fro...

Chapter 14: GVRP 172 Time Settings Perform the following procedure to configure the GVRP port settings: 1. From the main menu on the left side of the page, select Bridge . The Bridge folder expands. 2. From the Bridge folder, select GVRP . The GVRP folder expands. 3. From the GVRP folder, select Tim...

175 Chapter 15 Quality of Service and Cost of Service This chapter provides descriptions of both the Quality of Service (QoS) and Cost of Service (CoS) features. The following topics are covered:  “Overview” on page 176  “Associate Ports to CoS Priorities” on page 182  “Associate DSCP Classes to ...

Chapter 15: Quality of Service and Cost of Service 176 Overview When a port on an Ethernet switch becomes oversubscribed, its egress queues contain more packets than the port can handle in a timely manner. In this situation, the port may be forced to delay the transmission of some packets, resulting...

AT-GS950/48PS Switch Web Interface User’s Guide 177 Egress Queue vs Packet Priority Mapping Each port has four egress queues, labeled Q0, Q1, Q2, and Q3. Q0 is the lowest priority queue and Q3 is the highest. A packet in a high priority egress queue is typically transmitted sooner than a packet in a...

Chapter 15: Quality of Service and Cost of Service 178 The procedure for changing the default mappings is found in “Associate Ports to CoS Priorities” on page 182. Note that because all ports must use the same priority-to-egress queue mappings, these mappings are applied at the switch level. They ca...

AT-GS950/48PS Switch Web Interface User’s Guide 179 The problem with this method is that some low priority packets might never be transmitted from the switch because the algorithm might never have time to process the packets waiting in the lower priority queues. Weighted Round Robin Priority Schedul...

Chapter 15: Quality of Service and Cost of Service 180 Mapping CoS Priorities to Egress Queues Before mapping the CoS priorities and the egress queues, you must disable the Jumbo frame parameter on each port. See the Jumbo parameter definition in “Displaying and Configuring Ports” on page 59. Note W...

Chapter 15: Quality of Service and Cost of Service 182 Associate Ports to CoS Priorities The Port Priority values is assigned to an untagged frame at ingress for internal processing in the switch. This procedure explains how to change the default mappings of port priorities to the User Priority. Thi...

AT-GS950/48PS Switch Web Interface User’s Guide 183 Associate DSCP Classes to Egress Queues If you choose to use the DSCP tags in your Access Control policy configuration, each DSCP value (0-63) that is relevant to your configuration needs to be mapped to one of the four egress queues (0-3). The def...

AT-GS950/48PS Switch Web Interface User’s Guide 185 Queue Scheduling Algorithm To change the scheduling algorithm for the egress queues, perform the following procedure. 1. From the main menu on the left side of the page, select Bridge . The Bridge folder expands. 2. From the Bridge folder, select Q...

187 Section III Advanced Features This section contains the following chapters:  Chapter 16, “SNMPv1 and v2c” on page 189  Chapter 17, “SNMPv3” on page 201  Chapter 18, “Access Control Configuration” on page 217  Chapter 19, “RMON” on page 245  Chapter 20, “Voice VLAN” on page 257  Chapter 21,...

189 Chapter 16 SNMPv1 and v2c This chapter contains a description of SNMPv1 and SNMPv2c and the procedures for configuring with these protocols. This chapter contains the following sections:  “SNMPv1 and SNMPv2c Overview” on page 190  “Trap Receiver Attributes” on page 191  “SNMPv1 and SNMPv2c Us...

Chapter 16: SNMPv1 and v2c 190 SNMPv1 and SNMPv2c Overview You can manage a switch by viewing and configuring the management information base (MIB) objects on the device with the Simple Network Management Program (SNMP). This chapter describes how to configure SNMPv1 and SNMPv2c. A Group Name, IP ad...

AT-GS950/48PS Switch Web Interface User’s Guide 191 Trap Receiver Attributes A trap is a message sent by the agent to one or more managers to indicate the occurrence of a particular event on the device. There are numerous events that can trigger a trap. For instance, when the switch reboots or when ...

Chapter 16: SNMPv1 and v2c 192 Activate SNMP Interface The SNMP interface is activated by default. If you want to de-activate it or re-activate it, go to “User Interface Configuration” on page 39.

AT-GS950/48PS Switch Web Interface User’s Guide 193 SNMPv1 and SNMPv2c User and Group Names SNMPv1 and SNMPv2c User Name and Group Name definitions is the basis for creating SNMP communities. Use the following sections to create and delete User and Group Names:  “Create User and Group Names” on pag...

AT-GS950/48PS Switch Web Interface User’s Guide 195 To create a new entry in this table, see “Create User and Group Names” on page 193. Delete User and Group Names This procedure explains how to delete an entry on the SNMP User/Group page. 1. From the main menu on the left side of the page, select t...

Chapter 16: SNMPv1 and v2c 196 SNMP Community Strings A community string has attributes for controlling who can use the string and what the string will allow a network management station to do on the switch. The AT-S111 Management Software does not provide any default community strings. You must fir...

Chapter 16: SNMPv1 and v2c 198 SNMP Traps A Host IP address is used to specify a management device that needs to receive SNMP traps sent by the switch. This IP address is associated with the SNMP Version and a valid Community Name in the Host table of the switch. Create Trap Host Table Entry Use the...

AT-GS950/48PS Switch Web Interface User’s Guide 199 Note The Community Name must correlate with one of the communities displayed on the SNMP Community Table page. See “SNMP Community Strings” on page 196. If you enter a Community Name that has not been pre-defined, the Trap Host entry is displayed, ...

Chapter 17: SNMPv3 202 Overview The SNMPv3 protocol builds on the existing SNMPv1 and SNMPv2c protocol implementation which is described in Chapter 16 on page 189. In SNMPv3, User-based Security Model (USM) authentication is implemented along with encryption, allowing you to configure a secure SNMP ...

AT-GS950/48PS Switch Web Interface User’s Guide 203 this configuration for someone with super-user capabilities. SNMPv3 Privacy Protocol After you have configured an authentication protocol, you have the option of assigning a privacy protocol if you have the encrypted version of the AT-S111 Manageme...

Chapter 17: SNMPv3 206 SNMPv3 User and Group Names An SNMPv3 User Name and Group Name definition is the basis for all the other SNMPv3 tables. You can create and delete View Names by following the procedures in the following sections:  “Creating SNMPv3 User and Group Names” on page 206  “Modifying...

AT-GS950/48PS Switch Web Interface User’s Guide 207 8. Enter the password for the Auth-Protocol. 9. Select one of the following choices for the Priv-Protocol field: DES : Specifies DES encryption scrambles the SNMP data so that outside observers are prevented from seeing the data content. none : Spe...

AT-GS950/48PS Switch Web Interface User’s Guide 209 SNMPv3 View Names The SNMPv3 View names are defined in the SNMP Group Access table and are based on the User and Group Names.You can create and delete View Names with the following procedures:  “Creating SNMPv3 View Names” on page 209  “Modifying...

Chapter 17: SNMPv3 212 SNMPv3 View Table The SNMPv3 View table specifies the MIB object access criteria for each View Name. If the View Name is not specified on this page, then it has access to all MIB objects. You can specify specific areas of the MIB that can be accessed or denied based on the ent...

AT-GS950/48PS Switch Web Interface User’s Guide 215 SNMPv3 Traps The creation, modification and deletion of traps for SNMPv3 is identical to the procedure for SNMPv1/v2. See “SNMP Traps” on page 198.

217 Chapter 18 Access Control Configuration This chapter contains a description of the AT-GS950/48PS switch’s Access Control Configuration feature and the procedures to create, modify, and delete a Access Control configuration. This chapter contains the following sectio  “Overview” on page 218  “C...

AT-GS950/48PS Switch Web Interface User’s Guide 219 Classifier The Create Classifier page allows you to specify packet settings for filtering Ethernet traffic. You can create, modify or delete a Classifier by following the procedures in the following sections:  “Creating a Classifier,” next  “Modi...

AT-GS950/48PS Switch Web Interface User’s Guide 221 5. Click ADD . The classifier entry is displayed in the table at the bottom of the page. If you do not see you new entry, you may need to navigate to another page of the table with the First Page , Previous Page , Next Page , and Last Page buttons ...

Chapter 18: Access Control Configuration 222 2. From the Access Control Config folder , select Classifier . An example of a classifier table entry on the Create Classifier page is displayed in Figure 77. 3. From the Create Classifier page, identify which classifier that want to modify and click the ...

Chapter 18: Access Control Configuration 224 Profile Action The Create Profile Action page defines the priority parameters for policing on DSCP (layer 3) and/or class of service (layer 2). Note You must enter a Profile Index on this page even if you do not define the Policed-DHCP and Policed-CoS par...

AT-GS950/48PS Switch Web Interface User’s Guide 225 3. Enter a number in the Profile Action Index field. The Index must be a unique number ranging from 1 to 72. 4. Enter a number in the Policed DSCP field within the range of 0 to 63. This field indicates the DSCP level of interest. This field is not...

Chapter 18: Access Control Configuration 226 2. From the Access Control Config folder , select Profile Action . An example of the Create Profile Action page with a Profile Action table entry is shown in Figure 79 on page 224. 3. Select the table entry that you want to modify and click the Modify lin...

AT-GS950/48PS Switch Web Interface User’s Guide 235 Port List The Create Port List page allows you to specify a list of ports that will be used as part of the policy specification. You can create, modify or delete a Port List by following the procedures in the following sections:  “Create Port List...

Chapter 18: Access Control Configuration 236 6. Click Add . The Out-Profile Action entry is added to the status table. If the Page field located below the table displays a page number and you do not see your new entry, then there are multiple pages of the table that you can navigate. This is done by...

AT-GS950/48PS Switch Web Interface User’s Guide 237 4. Change the parameters as required. Note See “Create Port List” on page 235 for the definitions of each parameters. 5. Click Apply . The modified Port List entry is displayed in the table at the bottom of the page of the Create Port List page. 6....

Chapter 18: Access Control Configuration 238 Policy The Create Policy page allows you to specify the filtering criteria for one policy. Before creating a policy, you must pre-define the following indexes: Classifier Index : See “Creating a Classifier” on page 219 for more information. In-Profile Act...

Chapter 18: Access Control Configuration 240 Figure 92. Example of Policy Entry 6. From the main menu on the left side of the page, select Save Configuration to Flash to permanently save your changes. Modify Policy To modify a Policy entry, perform the following procedure: Note Before you can modify...

AT-GS950/48PS Switch Web Interface User’s Guide 241 Figure 93. Modify Policy Page 4. Change the parameters as required. Note See “Create Policy” on page 238 for the definitions of each parameters. 5. Click Apply . The modified Policy entry is displayed in the table at the bottom of the page of the C...

AT-GS950/48PS Switch Web Interface User’s Guide 243 Policy Sequence Status The Policy Sequence page displays the status of the order that policies are applied to each port. You can order the display by Policy Index or by Policy Sequence number. To display the policy sequence, perform the following p...

245 Chapter 19 RMON This chapter contains the following sections:  “Overview” on page 246  “Enable and Disable RMON” on page 247  “Port Statistics” on page 248  “Histories” on page 250  “Events” on page 252  “Alarms” on page 254

AT-GS950/48PS Switch Web Interface User’s Guide 247 Enable and Disable RMON You can use your SNMP Network Management System (NMS) software and the RMON section of the MIB tree to view the RMON statistics, history and alarms associated with specific ports. Since RMON uses the SNMP agent for communica...

Chapter 19: RMON 248 Port Statistics You can remotely view individual port statistics with RMON by using your SNMP NMS software and the RMON portion of the MIB tree. Perform the following procedure to configure RMON port statistics for a specific port: 1. From the main menu on the left side of the p...

Chapter 19: RMON 250 Histories RMON histories are snapshots of port statistics. They are taken by the switch at predefined intervals and can be used to identify trends or patterns in the numbers or types of ingress packets on the ports on the switch. The snapshots can be viewed with your SNMP NMS so...

Chapter 19: RMON 252 Events An event specifies the action of the switch when the ingress packet activity on a port crosses a statistical threshold defined in an alarm. The choices are to log a message in the event log of the switch, send an SNMP trap to an SNMP workstation, or both. Since there are ...

Chapter 19: RMON 254 Alarms RMON alarms are used to generate alert messages when packet activity on designated ports rises above or falls below specified threshold values. The alert messages can take the form of messages that are entered in the event log on the switch or traps that are send to your ...

257 Chapter 20 Voice VLAN This chapter contains a description of the AT-GS950/48PS switch’s Voice VLAN feature and the procedures to create, modify, and delete a voice VLAN configuration. This chapter contains the following sections:  “Overview” on page 258  “General Guidelines” on page 261  “Con...

Chapter 20: Voice VLAN 258 Overview The AT-GS950/48PS Voice VLAN feature is specifically designed to maintain high quality, uninterrupted voice traffic through the switch. When talking on a voice over IP phone, a user expects to have no interruptions in the conversation and excellent voice quality. ...

AT-GS950/48PS Switch Web Interface User’s Guide 259 When you are configuring the voice VLAN parameters, you must enter the complete MAC address of at least one of your IP phones. An “OUI Mask” is automatically generated and applied by the AT-S111 management software to yield the manufacturer’s OUI. ...

AT-GS950/48PS Switch Web Interface User’s Guide 265 OUI Setting You can create and delete Voice VLAN OUI Settings by following the procedures in these sections:  “Create OUI Setting”  “Modify OUI Setting” on page 266 Create OUI Setting To create a Voice OUI configuration, perform the following pro...

Chapter 20: Voice VLAN 266 8. From the main menu on the left side of the page, select Save Configuration to Flash to permanently save your changes. Modify OUI Setting To modify or delete an OUI, it must be first be deleted and then re-entered by following the procedure in “Create OUI Setting” on pag...

267 Chapter 21 Security This chapter contains information about the Port-based security features and the procedures for setting this feature. This chapter includes the following sections:  “Port Access Control” on page 268  “RADIUS Client” on page 273  “Dial-in User— Local Authentication” on page...

Chapter 21: Security 268 Port Access Control This section contains information and configuration procedures for the Port-based Access Control. The following information is provided:  “Overview” on page 268  “Port Access Control Configuration” on page 269 Note After configuring the Port-based Netwo...

AT-GS950/48PS Switch Web Interface User’s Guide 269 Port Access Control Configuration To configure port-based access control, perform the following procedure: 1. Select the Security folder from the main menu on the left side of the page.The Security folder expands. 2. From the Security folder, selec...

AT-GS950/48PS Switch Web Interface User’s Guide 273 RADIUS Client You can use the RADIUS client with 802.1x port-based access control to authenticate which packets are forwarded through the switch. This section explains how to configure the RADIUS client on the switch and contains the following sect...

Chapter 21: Security 276 Dial-in User— Local Authentication Dial-in User feature provides the local authentication server for port security when a remote (RADIUS) server is not available. This section includes the following:  “Overview” on page 276  “Dial-in User Configuration” on page 276 Note To...

AT-GS950/48PS Switch Web Interface User’s Guide 277 Figure 110. Dial-In User Page 3. In the User Name field, type a name for the user. 4. In the Password field, type a password for the user. 5. In the Dynamic VLAN field, enter the VID of the VLAN which you will allow the user to access. If you enter...

Chapter 21: Security 278 The Dial-in User page is displayed. See Figure 110 on page 277. 3. In the list of dial-in users, highlight the user you want to modify. The user’s information is displayed in fields above. 4. In the Password field, enter the new password. 5. In the Dynamic VLAN field, enter ...

AT-GS950/48PS Switch Web Interface User’s Guide 279 Destination MAC Filter This section contains an explanation of the Destination MAC Filter feature as well a procedure for configuring it. This section includes the following information:  “Overview” on page 279  “Destination MAC Filter Configurat...

Chapter 22: Power Over Ethernet (PoE) 284 Overview The AT-GS950/48PS switch features Power over Ethernet (PoE) on the 10/100Base-Tx ports on ports 1 - 24. PoE is used to supply power to network devices over the same twisted pair cables that carry the network traffic. The main advantage of PoE is tha...

AT-GS950/48PS Switch Web Interface User’s Guide 285 Port Prioritization As long as the total power requirements of the PDs is less than the total available power of the switch, it can supply power to all of the PDs. However, when the PD power requirements exceed the total available power, the switch...

Chapter 22: Power Over Ethernet (PoE) 286 PoE Configuration To configure the basic STP and RSTP settings, perform the following procedure: 1. From the main menu on the left side of the page, select Power Over Ethernet Configuration . The Power Over Ethernet Configuration page is displayed. See Figur...

AT-GS950/48PS Switch Web Interface User’s Guide 289 Chapter 23 DHCP Snooping This chapter contains a description of the DHCP Snooping feature and the procedures for creating, modifying, and deleting the DHCP Snooping configuration. This chapter contains the following sections:  “Overview” on page 2...

Chapter 23: DHCP Snooping 290 Overview The DHCP Snooping feature provides security by inspecting ingress packets for the correct IP and MAC address information. The DHCP Snooping feature defines the AT-GS950/48PS ports as either trusted or untrusted. With DHCP Snooping enabled, two network security ...

AT-GS950/48PS Switch Web Interface User’s Guide 291 A network device initially sends out a DHCPDISCOVER packet so that a DHCP server will respond. It waits for and then accepts the first DHCPOFFER packet from the server that it receives. This packet contains the DHCP server’s IP address and mask. If...

AT-GS950/48PS Switch Web Interface User’s Guide 295 VLAN Setting You can create and delete DHCP Snooping VLAN settings by following the procedures in these sections:  "Creating a VLAN"  “Modifying a VLAN” on page 296  “Deleting a VLAN” on page 296 Creating a VLAN To define a VLAN that wil...

AT-GS950/48PS Switch Web Interface User’s Guide 297 Trusted and Untrusted Port Configuration The following procedure describes how to configure the DHCP Snooping trusted interfaces on the AT-GS950/48PS switch: 1. From the main menu on the left side of the page, select DHCP Snooping . The DHCP Snoopi...

AT-GS950/48PS Switch Web Interface User’s Guide 299 Binding Database The Binding Database displays learned and statically assigned MAC Address and IP Address information for each host on the local area network. Dynamically assigned IP addresses from the DHCP server will automatically populate the ta...

Chapter 23: DHCP Snooping 300 VLAN - Enter the host’s VLAN ID. Port - Enter the port number where the host is connected. Type - Because the IP Address being entered is static, you must select Static . Lease Time - Enter the time that IP address assignment is valid. The range is 10 to 4294967295 seco...

303 Chapter 24 LLDP Link Layer Discovery Protocol (LLDP) allows Ethernet network devices, such as switches and routers, to receive and transmit device-related information to directly connected devices on the network and to store data that is learned about other devices. This chapter provides the fol...

AT-GS950/48PS Switch Web Interface User’s Guide 305 Global Configuration The LLDP Global Setting page has three sections:  On the top of the page contains the enabling or disabling LLDP selections.  The middle of the page contains LLDP System Information.  The LLDP port settings are on the bottom...

AT-GS950/48PS Switch Web Interface User’s Guide 307 which is the minimum time interval between transmissions of LLDP advertisements due to a change in LLDP local information. The range is from 1 to 8192 seconds. 6. From the main menu on the left side of the page, select Save Configuration to Flash t...

AT-GS950/48PS Switch Web Interface User’s Guide 309 Neighbors Information To view the information received from the neighboring network devices, perform the following procedure: 1. From the main menu on the left side of the page, click the LLDP folder. The LLDP folder expands. 2. From the LLDP folde...

311 Chapter 25 Network Statistics The sections in this chapter explain how to display traffic, error, and history statistics about the network traffic on the AT-GS950/48PS switch and its ports. This chapter includes the following sections:  “Overview” on page 312  “Traffic Comparison Statistics” o...

AT-GS950/48PS Switch Web Interface User’s Guide 313 Traffic Comparison Statistics The Traffic Comparison statistics chart allows you to display a specified traffic statistic over all of the ports. You can select 12 statistic types and 12 colors for each port. To display traffic comparison statistics...

Chapter 25: Network Statistics 316 Error Group Statistics The Error Group chart displays the discard and error counts for a specified port. To display error group statistics for a port, perform the following procedure: 1. Select the Statistics Chart folder. The Statistics Chart folder expands. 2. Fr...

Chapter 25: Network Statistics 318 Historical Status Charts The Historical Status chart allows you to select from 12 statistics to view for a selection of ports for however long this chart is running on the management workstation. To display historical status charts statistics for a port, perform th...

321 Section IV Tools This section contains the following chapters:  Chapter 26, “Software/Configuration Updates” on page 323  Chapter 27, “Cable Diagnostics” on page 335  Chapter 28, “Rebooting the AT-GS950/48PS” on page 337  Chapter 29, “Pinging a Remote System” on page 347

323 Chapter 26 Software/Configuration Updates This chapter explains the methods for upgrading the AT-S111 Management Software on the switch and saving configuration files. This chapter contains the following sections:  “Overview” on page 324  “Upgrade Firmware Image via HTTP” on page 325  “Upgrad...

AT-GS950/48PS Switch Web Interface User’s Guide 325 Upgrade Firmware Image via HTTP This section describes how to upgrade an firmware image of the AT-S111 Management Software using HTTP on an Internet server. Before downloading a new version of the AT-S111 Management Software onto the switch with HT...

AT-GS950/48PS Switch Web Interface User’s Guide 327 Upgrade Firmware Image via TFTP This section describes how to upgrade an firmware image of the AT-S111 Management software using TFTP on an TFTP server. Before downloading a new version of the AT-S111 Management Software onto the switch, note the f...

AT-GS950/48PS Switch Web Interface User’s Guide 329 Upload or Download a Configuration File via HTTP This section describes how to upload or download a configuration file using HTTP on an Internet server. Before you upload or download a configuration file via HTTP, note the following:  You must be ...

Chapter 26: Software/Configuration Updates 332 Download or Upload a Configuration File via TFTP This section describes how to upload or download a configuration file using TFTP on an TFTP server. Before you upload or download a configuration file onto the switch using TFTP, note the following:  You...

335 Chapter 27 Cable Diagnostics This chapter provides procedures to run cable diagnostics on the cables connected to the switch ports. If a port is selected, a cable must be connected to it for meaningful test results to be displayed. Note To permanently save your new settings or any changes to the...

Chapter 28: Rebooting the AT-GS950/48PS 338 Switch Reboot The following procedure outlines how to reboot your AT-GS950/48PS switch. Caution This procedure reboots the switch and reloads the AT-S111 Management software configuration from flash memory. Insure that your current configuration is saved b...

Chapter 28: Rebooting the AT-GS950/48PS 342 Password Protection of Factory Reset If your switch is located in a controlled environment such as a locked switching closet or limited access equipment room, it may be desirable to have the ability to easily reset the switch to factory defaults at any tim...

347 Chapter 29 Pinging a Remote System This chapter provides the procedure for pinging a node on your network from the AT-GS950/48PS switch. This procedure is useful in determining whether an active link exists between the switch and another network device. Note The device you are pinging must be a ...

349 Appendix A MSTP Overview This appendix provides background information about the Multiple Spanning Tree Protocol (MSTP) and includes the following sections:  “Overview” on page 350  “Multiple Spanning Tree Instance (MSTI)” on page 352  “General Guidelines” on page 355  “VLAN and MSTI Associa...

Appendix A: MSTP Overview 352 Multiple Spanning Tree Instance (MSTI) The individual spanning trees in MSTP are referred to as Multiple Spanning Tree Instances (MSTIs). A MSTI can span any number of AT-GS950 switches. The switch can support up to 31 MSTIs at a time. Before creating a MSTI, you first ...

AT-GS950/48PS Switch Web Interface User’s Guide 353 Figure 140. MSTP Example of Two Spanning Tree Instances Multiple VLANs Assigned to an MSTI A MSTI can contain more than one VLAN. This is illustrated in Figure 141 on page 354 where there are two AT-GS950/48PS switches with four VLANs. There are tw...

Appendix A: MSTP Overview 356 VLAN and MSTI Associations Part of the task to configuring MSTP involves assigning VLANs to spanning tree instances. The mapping of VLANs to MSTIs is called associations . A VLAN, either port-based or tagged, can belong to only one instance at a time, but an instance ca...

AT-GS950/48PS Switch Web Interface User’s Guide 357 Ports in Multiple MSTIs A port can be a member of more than one MSTI at a time if it is a tagged member of one or more VLANs assigned to different MSTI’s. In this circumstance, a port might be have to operate in different spanning tree states simul...

Appendix A: MSTP Overview 358 Multiple Spanning Tree Regions Another important concept of MSTP is regions . A MSTP region is defined as a group of bridges that share exactly the same MSTI characteristics. Those characteristics are:  Region name  Region revision  VLANs  VLAN to MSTI ID associatio...

Appendix A: MSTP Overview 360 Each MSTI functions as an independent spanning tree within a region. Consequently, each MSTI must have a root bridge to locate physical loops within the spanning tree instance. An MSTI’s root bridge is called a regional root . The MSTIs within a region may share the sam...

Appendix A: MSTP Overview 362 Common and Internal Spanning Tree (CIST) MSTP has a default spanning tree instance called the Common and Internal Spanning Tree (CIST). This instance has an MSTI ID of 0. This instance has unique features and functions that make it different from the MSTIs that you crea...

AT-GS950/48PS Switch Web Interface User’s Guide 363 Associating VLANs to MSTIs When you are using Multiple Spanning Tree, Allied Telesis recommends that you assign each VLANs to one of the existing MSTIs on a switch. You should not leave any VLAN unassigned including the Default VLAN. This is to pre...

AT-GS950/48PS Switch Web Interface User’s Guide 365 VLANs Across Different Regions Special consideration needs to be taken into account when you connect different MSTP regions or an MSTP region and a single-instance STP or RSTP region. Unless planned properly, VLAN fragmentation can occur between th...

AT-GS950/48PS Switch Web Interface User’s Guide 367 Summary of Guidelines Careful planning is essential for the successful implementation of MSTP. This section reviews all the rules and guidelines mentioned in earlier sections, and contains a few new ones:  The AT-GS950/48PS switch can support up t...

369 Appendix B AT-GS950/48PS Default Parameters Table 12 lists the factory default settings for the AT-S111 Management software on the AT-GS950/48PS switch. The Parameters reflect the fields found on each web page. Table 12. AT-S111 Management Software Default Settings Parameter AT-GS950/48PS Defaul...

AT-GS950/48PS Switch Web Interface User’s Guide 371 To (Month:Day:HH:MM) January:01:00:00 - DST Offset 1 hr - System/SSL Settings SSL Settings Disabled Enabled/Disabled System/DHCP Auto Configuration Settings Auto Configuration State Disabled Enabled/Disabled System/System Log Configuration Syslog S...

AT-GS950/48PS Switch Web Interface User’s Guide 375 Bridge/Static Unicast 802.1Q VLAN - ID 1 - 4000 Port-Based VLAN Index - ID 1 - 52 MAC Address none xx:xx:xx:xx:xx:xx hex format Port Member - All, 1 - 48 Bridge/Static Multicast 802.1Q VLAN - ID 1 - 4000 Port-Based VALN Index - ID 1 - 52 Group MAC ...

AT-GS950/48PS Switch Web Interface User’s Guide 377 Private VLAN Forwarding Ports All, 1 - 48 All, 1 - 48 Bridge/GVRP GVRP Status Disabled Enabled/Disabled Dynamic Vlan Status Enabled Enabled/Disabled Restricted VLAN Registration Disabled Enabled/Disabled GarpJoinTime 200 milli-seconds 10 - 10737418...