SMC Networks SMC8606T - Manuals

T ABLE OF C ONTENTS vii Console Port to 25-Pin DTE Port on PC . . . . . . . . . . . . . B-3 Glossary Index

1-1 C HAPTER 1 S WITCH M ANAGEMENT Configuration Options For advanced management capability, the TigerSwitch 1000 management agent provides a menu-driven system configuration program. This program can be accessed by a direct or modem connection to the serial port on the front panel (out-of-band), or...

S WITCH M ANAGEMENT 1-2 Required Connections Console Port (Out-of-Band) Connections Attach a VT100 compatible terminal or a PC running a terminal emulation program to the serial port on the switch’s front panel. Use the null-modem cable provided with this package, or use a null modem connection that...

S WITCH M ANAGEMENT 1-3 Remote Management via the Console Port Configure the Switch Site Connect the switch’s DB9 serial port to the modem’s serial port using standard cabling. For most modems which use a 25-pin port, you will have to provide an RS-232 cable with a 9-pin connector on one end and a 2...

C ONSOLE I NTER FACE 2-2 Note: You are allowed three attempts to enter the correct password; on the third failed attempt the current connection is terminated. Main Menu The Main Menu is the first screen seen after successfully logging into the system. SMC TigerSwitch 1000 Local Management -- SMC8606...

C ONSOLE I NTER FACE 2-6 System and Switch Information Use the “About this product” menu to display a basic description of the switch, including contact information, and hardware/firmware versions. SMC TigerSwitch 1000 Local Management -- SMC8606T < About this product > System Information Swit...

C ONSOLE I NTER FACE 2-7 Displaying System Information Use the System Information screen to display descriptive information about the switch, or for quick system identification as shown in the following figure and table. SMC TigerSwitch 1000 Local Management -- SMC8606T < System Information > ...

C ONSOLE I NTER FACE 2-8 Displaying Switch Version Use the Switch Information screen to display hardware/firmware version numbers for the switch, as well as the power status of the system. SMC TigerSwitch 1000 Local Management -- SMC8606T < Switch Information > Main Board Hardware Version : V1...

C ONSOLE I NTER FACE 2-9 Management Setup Menu After initially logging onto the system, adjust the communication parameters for your console to ensure a reliable connection (Serial Port Configuration). Specify the IP addresses for the switch (Network Configuration / IP Configuration), and then set t...

C ONSOLE I NTER FACE 2-11 Changing the Network Configuration Use the Network Configuration menu to set the bootup option, configure the switch’s Internet Protocol (IP) parameters, enable the on-board Web server, or to set the number of concurrent Telnet sessions allowed. The screen shown below is de...

C ONSOLE I NTER FACE 2-12 IP Configuration Use the IP Configuration screen to set the bootup option, or configure the switch’s IP parameters. The screen shown below is described in the following table. SMC TigerSwitch 1000 Local Management -- SMC8606T < IP Configuration > Interface Type : Ethe...

C ONSOLE I NTER FACE 2-15 HTTP Configuration Use the HTTP Configuration screen to enable/disable the on-board Web server, and to specify the TCP port that will provide HTTP service. The screen shown below is described in the following table. SMC TigerSwitch 1000 Local Management -- SMC8606T < HTT...

C ONSOLE I NTER FACE 2-16 Configuring the Serial Port You can access the on-board configuration program by attaching a VT100 compatible device to the switch’s serial port. (For more information on connecting to this port, see “Required Connections” on page 1-2.) The communication parameters for this...

C ONSOLE I NTER FACE 2-18 Assigning SNMP Parameters Use the SNMP Configuration screen to display and modify parameters for the Simple Network Management Protocol (SNMP). The switch includes an SNMP agent which monitors the status of its hardware, as well as the traffic passing through its ports. A c...

C ONSOLE I NTER FACE 2-19 Configuring Community Names The following figure and table describe how to configure the community strings authorized for management access. Up to 5 community names may be entered. Note: The default community string is “public” with Read Only access. SMC TigerSwitch 1000 Lo...

C ONSOLE I NTER FACE 2-20 Configuring IP Trap Managers The following figure and table describe how to specify management stations that will receive authentication failure messages or other trap messages from the switch. Up to 5 trap managers may be entered. SMC TigerSwitch 1000 Local Management -- S...

C ONSOLE I NTER FACE 2-21 Console Login Configuration Use the Management Setup: Console Login Configuration to restrict management access based on specified user names and passwords, or to set the invalid password threshold and timeout. There are only two user types defined, ADMIN (Administrator) an...

C ONSOLE I NTER FACE 2-23 Downloading System Software Using TFTP Protocol to Download Over the Network Use the TFTP Download menu to load software updates into the switch. The download file should be an SMC8606T binary file from SMC; otherwise the switch will not accept it. The success of the downlo...

C ONSOLE I NTER FACE 2-24 Saving the System Configuration Use the Configuration Save & Restore menu to save the switch configuration settings to a file on a TFTP server. The file can be later downloaded to the switch to restore the switch’s settings. The success of the operation depends on the a...

C ONSOLE I NTER FACE 2-27 Configuring the Switch The Switch Configuration Menu is used to control a broad range of functions, including port configuration, Spanning Tree support for redundant switches, port mirroring, multicast filtering, and Virtual LANs. Each of the setup screens provided by these...

C ONSOLE I NTER FACE 2-29 Configuring Port Parameters Use the Port Configuration menus to set or display communication parameters for any port on the switch. SMC TigerSwitch 1000 Local Management -- SMC8606T < Port Configuration > Flow Control mode of all ports : [Enable] [Disable] Port Type A...

C ONSOLE I NTER FACE 2-31 Viewing the Current Port Configuration The Port State screen displays the port type, status, link state, and flow control in use, as well as the communication speed and duplex mode. To change any of the port settings, use the Port Configuration menu. SMC TigerSwitch 1000 Lo...

C ONSOLE I NTER FACE 2-33 Using the Spanning Tree Algorithm The Spanning Tree Algorithm can be used to detect and disable network loops, and to provide backup links between switches, bridges or routers. This allows the switch to interact with other bridging devices (that is, an STA-compliant switch,...

C ONSOLE I NTER FACE 2-34 Configuring Bridge STA The following figure and table describe Bridge STA configuration. SMC TigerSwitch 1000 Local Management -- SMC8606T < Spanning Tree Bridge Configuration > Spanning Tree Protocol : On Bridge Priority : 32768 Hello Time (in seconds) : 2 Max Age (i...

C ONSOLE I NTER FACE 2-36 Configuring STA for Ports The following figure and table describe STA configuration for ports. SMC TigerSwitch 1000 Local Management -- SMC8606T < Spanning Tree Port Configuration > Fast forwarding mode of all ports : [Enable] [Disable] Port Type Priority Cost FastFor...

C ONSOLE I NTER FACE 2-39 Viewing the Current Spanning Tree Information The Spanning Tree Information screen displays a summary of the STA information for the overall bridge or for a specific port. To make any changes to the parameters for the Spanning Tree, use the Spanning Tree Configuration menu....

C ONSOLE I NTER FACE 2-41 Displaying the Spanning Tree Port State The parameters shown in the following figure and table are for port STA Information. SMC TigerSwitch 1000 Local Management -- SMC8606T < Spanning Tree Port State > Port Type Status Designated Designated Designated Cost Bridge Po...

C ONSOLE I NTER FACE 2-44 Using a Mirror Port for Analysis You can mirror traffic from any source port to a target port for real-time analysis. You can then attach a network sniffer or RMON probe to the target port and study the traffic crossing the source port in a completely unobtrusive manner. Wh...

C ONSOLE I NTER FACE 2-45 Configuring Port Trunks Port trunks can be used to increase the bandwidth of a network connection or to ensure fault recovery. You can configure up to four trunk connections (combining 2~4 ports into a fat pipe) between any two TigerSwitch 1000 switches. However, before mak...

C ONSOLE I NTER FACE 2-47 IGMP Multicast Filtering Multicasting is used to support real-time applications such as video conferencing or streaming audio. A multicast server does not have to establish a separate connection with each client. It merely broadcasts its service to the network, and any host...

C ONSOLE I NTER FACE 2-48 Configuring IGMP This protocol allows a host to inform its local switch/router that it wants to receive transmissions addressed to a specific multicast group. You can use the IGMP Configuration screen to configure multicast filtering shown below: Note: The default values ar...

C ONSOLE I NTER FACE 2-49 Configuring Broadcast Storm Control Use the Broadcast Storm Control Configuration screen to enable broadcast storm control for any port on the switch, as shown below. SMC TigerSwitch 1000 Local Management -- SMC8606T < Broadcast Storm Control Configuration > Broadcast...

C ONSOLE I NTER FACE 2-50 Port Security Configuration Use the Port Security Configuration screen to enable and configure port security for the switch. Port Security allows you to configure each port with a list of MAC addresses of devices that are authorized to access the network through that port. ...

C ONSOLE I NTER FACE 2-52 Configuring Bridge MIB Extensions The Bridge MIB includes extensions for managed devices that support Traffic Classes, Multicast Filtering and Virtual LANs. To configure these extensions, use the Extended Bridge Configuration screen as shown below: SMC TigerSwitch 1000 Loca...

C ONSOLE I NTER FACE 2-54 Configuring Traffic Classes IEEE 802.1p defines up to 8 separate traffic classes. This switch supports Quality of Service (QoS) by using two priority queues, with Weighted Fair Queuing for each port. You can use the 802.1P Configuration menu to configure the default priorit...

C ONSOLE I NTER FACE 2-55 Port Priority Configuration The default priority for all ingress ports is zero. Therefore, any inbound frames that do not have priority tags will be placed in the low priority output queue. Default priority is only used to determine the output queue for the current port; no...

C ONSOLE I NTER FACE 2-56 802.1P Port Traffic Class Information This switch provides two priority levels with weighted fair queuing for port egress. This means that any frames with a default or user priority from 0~3 are sent to the low priority queue “0” while those from 4~7 are sent to the high pr...

C ONSOLE I NTER FACE 2-57 Configuring Virtual LANs You can use the VLAN configuration menu to assign any port on the switch to any of up to 256 LAN groups. In conventional networks with routers, broadcast traffic is split up into separate domains. Switches do not inherently support broadcast domains...

C ONSOLE I NTER FACE 2-59 802.1Q VLAN Current Table Information This screen shows the current port members of each VLAN and whether or not the port supports VLAN tagging. Ports assigned to a large VLAN group that crosses several switches should use VLAN tagging. However, if you just want to create a...

C ONSOLE I NTER FACE 2-60 802.1Q VLAN Static Table Configuration Use this screen to create a new VLAN or modify the settings for an existing VLAN. You can add/delete port members for a VLAN, or prevent a port from being automatically added to a VLAN via the GVRP protocol. (Also, note that all ports ...

C ONSOLE I NTER FACE 2-64 802.1Q VLAN Port Configuration Use this screen to configure port-specific settings for IEEE 802.1Q VLAN features. SMC TigerSwitch 1000 Local Management -- SMC8606T < 802.1Q VLAN Port Configuration > Port PVID Acceptable Ingress GVRP GVRP Failed GVRP Last Frame Type Fi...

C ONSOLE I NTER FACE 2-66 Monitoring the Switch The Network Monitor Menu provides access to port statistics, RMON statistics, IP multicast addresses, and the static (unicast) address table. Each of the screens provided by these menus is described in the following sections. SMC TigerSwitch 1000 Local...

C ONSOLE I NTER FACE 2-68 Displaying Port Statistics Port Statistics display key statistics from the Ethernet-like MIB for each port. Error statistics on the traffic passing through each port are displayed. This information can be used to identify potential problems with the switch (such as a faulty...

C ONSOLE I NTER FACE 2-70 Displaying RMON Statistics Use the RMON Statistics screen to display key statistics for each port from RMON group 1. (RMON groups 2, 3 and 9 can only be accessed using SNMP management software.) The following screen displays the overall statistics on traffic passing through...

C ONSOLE I NTER FACE 2-73 Displaying the Unicast Address Table The Address Table contains the MAC addresses and VLAN identifier associated with each port (that is, the source port associated with the address and VLAN), sorted by MAC address or VLAN ID. You can search for a specific address, clear th...

C ONSOLE I NTER FACE 2-75 Displaying the IP Multicast Registration Table Use the IP Multicast Registration Table to display all the multicast groups active on this switch, including multicast IP addresses and the corresponding VLAN ID. SMC TigerSwitch 1000 Local Management -- SMC8606T < IP Multic...

C ONSOLE I NTER FACE 2-76 Configuring Static Unicast Addresses Use the Static Unicast Address Table Configuration screen to manually configure host MAC addresses in the unicast table. You can use this screen to associate a MAC address with a specific VLAN ID and switch port as shown below. SMC Tiger...

C ONSOLE I NTER FACE 2-78 Resetting the System Select the Reset System Menu under the Main Menu to reset the switch. The reset screen includes options as shown in the following figure and table. SMC TigerSwitch 1000 Local Management -- SMC8606T < Reset System Menu > Restart Option : POST : YES...

C ONSOLE I NTER FACE 2-79 Logging Off the System Use the Quit Current Session command under the Main Menu to exit the configuration program and terminate communications with the switch for the current session.

3-1 C HAPTER 3 W EB I NTERFACE Web-Based Configuration and Monitoring In addition to the menu-driven system configuration program, this switch also provides an embedded HTTP Web agent. Using a Web browser you can configure the switch and view statistics to monitor network activity. The Web agent can...

W EB I NTER FACE 3-2 Navigating the Web Browser Interface To access the Web-browser interface you must first enter a user name and password. The administrator has Read/Write access to all configuration parameters and statistics. The default user name for the administrator is “admin,” with no passwor...

W EB I NTER FACE 3-4 Panel Display The Web agent displays an image of the switch’s ports, showing port links and activity. Clicking on the image of a port displays statistics and configuration information for the port. Clicking on the image of the serial port (labeled “Mgmt”) displays the Console Co...

W EB I NTER FACE 3-9 System Information Use the System Information screen to display descriptive information about the switch, or for quick system identification as shown in the following figure and table. Parameter Description System Name 1 Name assigned to the switch system. IP Address 2 IP addres...

W EB I NTER FACE 3-10 Switch Information Use the Switch Information screen to display hardware/firmware version numbers for the switch, as well as the power status of the system. Main Board Parameter Description Serial Number Serial number of the main board. Number of Ports Number of ports on the sw...

W EB I NTER FACE 3-13 SNMP Configuration Use the SNMP Configuration screen to display and modify parameters for the Simple Network Management Protocol (SNMP). The switch includes an SNMP agent which monitors the status of its hardware, as well as the traffic passing through its ports. A computer att...

W EB I NTER FACE 3-15 Trap Managers The following figure and table describe how to specify management stations that will receive authentication failure messages or other trap messages from the switch. Up to 5 trap managers may be entered. Parameter Description Trap Manager Capability Up to 5 trap ma...

W EB I NTER FACE 3-16 Security Configuration Use the Security Configuration screen to restrict management access based on a specified password. The Administrator has write access for parameters governing the switch. You should therefore assign a password to the Administrator as soon as possible, and...

W EB I NTER FACE 3-17 Firmware Upgrade Options You can upgrade system firmware by performing a Web upload or a TFTP download. Note that you can also upgrade by a direct connection to the console port (see “Upgrading Firmware via the Serial Port” on page A-2). Web Upload Management Use the Web Upload...

W EB I NTER FACE 3-18 TFTP Download Management Use the TFTP Download Management menu to load software updates into the switch. The download file should be an SMC8606T binary file from SMC; otherwise the switch will not accept it. The success of the download operation depends on the accessibility of ...

W EB I NTER FACE 3-19 Configuration Save and Restore Use the Configure screen to save the switch configuration settings to a file on a TFTP server. The file can be later downloaded to the switch to restore the switch’s settings. The success of the operation depends on the accessibility of the TFTP s...

W EB I NTER FACE 3-20 Configuration Download Management Use the Configuration Download Management to restore switch configuration settings from a file on a TFTP sever. Parameters shown on this screen are indicated in the following figure and table Parameter Description Server IP Address IP address o...

W EB I NTER FACE 3-21 Address Table Configuration The Address Table contains the unicast MAC addresses and VLAN identifier associated with each port (that is, the source port associated with the address and VLAN), sorted by MAC address or VLAN. You can also clear the entire address table, or informa...

W EB I NTER FACE 3-23 STA (Spanning Tree Algorithm) The Spanning Tree Algorithm can be used to detect and disable network loops, and to provide backup links between switches, bridges or routers. This allows the switch to interact with other bridging devices (that is, STA-compliant switch, bridge or ...

W EB I NTER FACE 3-24 Ports The parameters shown in the following figure and table are for port STA Information (Port 1~8). Forward Delay The maximum time (in seconds) the root device will wait before changing states (i.e., listening to learning to forwarding). Root Port The number of the port on th...

W EB I NTER FACE 3-27 Spanning Tree Configuration The following figures and tables describe Bridge STA configuration. Switch Parameter Default Description Usage Enabled Enable this parameter to participate in an STA-compliant network. Priority 32,768 Device priority is used in selecting the root dev...

W EB I NTER FACE 3-28 When the Switch Becomes Root Parameter Default Description Hello Time 2 The time interval (in seconds) at which the root device transmits a configuration message. The minimum value is 1. The maximum value is the lower of 10 or [(Max. Message Age / 2) -1].

W EB I NTER FACE 3-30 STA Port Configuration The following figure and table describe STA configuration for ports. Parameter Default Description Fast forwarding mode DISABLED Allows you to enable or disable fast forwarding for all ports on the switch. Priority 128 Defines the priority for the use of ...

W EB I NTER FACE 3-33 Bridge Settings Parameter Description Traffic Class* Multiple traffic classes are supported by this switch as indicated under Bridge Capabilities. However, you can disable this function by clearing this checkbox. GMRP* GARP Multicast Registration Protocol (GMRP) allows network ...

W EB I NTER FACE 3-35 Port Traffic Class Information This switch provides two priority levels with weighted fair queuing for port egress. This means that any frames with a default or user priority from 0-3 are sent to the low priority queue “0” while those from 4-7 are sent to the high priority queu...

W EB I NTER FACE 3-36 Configuring Virtual LANs You can use the VLAN configuration menu to assign any port on the switch to any of up to 256 VLAN groups. In conventional networks with routers, broadcast traffic is split up into separate domains. Switches do not inherently support broadcast domains. T...

W EB I NTER FACE 3-37 Note: All ports are assigned only to VLAN 1 by default. VLAN Current Table This screen shows the current port members of each VLAN and whether or not the port supports VLAN tagging. Ports assigned to a large VLAN group that crosses several switches should use VLAN tagging. Howe...

W EB I NTER FACE 3-38 VLAN Static List Use this screen to create or remove VLAN groups. Note: No VLANs are statically configured by default. Egress Ports Shows the ports which have been added to the displayed VLAN group. Untagged Ports Shows the untagged VLAN port members. Parameter Description Curr...

W EB I NTER FACE 3-39 VLAN Static Table Use this screen to modify the settings for an existing VLAN. You can add/delete port members for a VLAN, disable or enable VLAN tagging for any port, or prevent a port from being automatically added to a VLAN via the GVRP protocol. (Note that VLAN 1 is fixed a...

W EB I NTER FACE 3-41 VLAN Static Membership by Port Use the screen shown below to assign VLAN groups to the selected port. To perform detailed port configuration for a specific VLAN, use the VLAN Static Table (page 3-39). VLAN Port Configuration Use this screen to configure port-specific settings f...

W EB I NTER FACE 3-45 IP Multicast Registration Table Use the IP Multicast Registration Table to display all the multicast groups active on this switch, including multicast IP addresses and the corresponding VLAN ID. Parameter Description VLAN ID VLAN ID assigned to this multicast group. Multicast I...

W EB I NTER FACE 3-46 Port Menus Port Information The Port Information screen displays the port status, link state, the communication speed and duplex mode, as well as the flow control in use. To change any of the port settings, use the Port Configuration menu. The parameters shown in the following ...

W EB I NTER FACE 3-48 Port Broadcast Storm Protect Configuration Use the Port Broadcast Storm Protect Configuration screen to configure broadcast storm control for any port on the switch Parameter Default Description Broadcast Storm Protect Mode Enabled Allows you to enable/disable broadcast storm c...

W EB I NTER FACE 3-50 Using a Port Mirror for Analysis You can mirror traffic from any source port to a target port for real-time analysis. You can then attach a network sniffer or RMON probe to the target port and study the traffic crossing the source port in a completely unobtrusive manner. When m...

W EB I NTER FACE 3-51 Port Trunk Configuration Port trunks can be used to increase the bandwidth of a network connection or to ensure fault recovery. You can configure up to four trunk connections (combining 2~4 ports into a fat pipe) between any two SMC8606T switches. However, before making any phy...

W EB I NTER FACE 3-53 Port Statistics Use the Port Statistics menu to display Etherlike or RMON statistics for any port on the switch. Select the required port. The statistics displayed are indicated in the following figure and table. Etherlike Statistics Etherlike Statistics display key statistics ...

W EB I NTER FACE 3-55 RMON Statistics RMON Statistics display key statistics for each port from RMON group 1. (RMON groups 2, 3 and 9 can only be accessed using SNMP management software.) The following screen displays overall statistics on traffic passing through each port. RMON statistics provide a...

4-1 C HAPTER 4 A DVANCED T OPICS This TigerSwitch 1000 supports Layer 2 switching and other advanced features, which are described in this chapter. Layer 2 Switching When a frame enters a port, its destination MAC address is checked in the address database to see which port leads to this destination...

A DVANCED T OPICS 4-2 Spanning Tree Algorithm The Spanning Tree Algorithm (that is, the STA configuration algorithm as outlined in IEEE 802.1D) can be used to detect and disable network loops, and to provide link backup. This allows the switch to interact with other bridging devices (including STA-c...

A DVANCED T OPICS 4-3 The following figure gives an illustration of how the Spanning Tree Algorithm assigns bridging device ports. Virtual LANs Switches do not inherently support broadcast domains, which can lead to broadcast storms in large networks that handle a lot of IPX or NetBeui traffic. In c...

A DVANCED T OPICS 4-4 traffic, but also allow you to make network changes without having to update IP addresses or IP subnets. VLANs inherently provide a high level of network security, since traffic must pass through a Layer 3 switch or a router to reach a different VLAN. This switch supports the f...

A DVANCED T OPICS 4-5 port. Therefore, to make valid forwarding and flooding decisions, the switch learns the relationship of the MAC address to its related port—and thus to the VLAN—at run-time. When the switch receives a frame, it assigns the frame to the port’s default VLAN if the frame is untagg...

A DVANCED T OPICS 4-6 Connecting VLAN Groups The switch supports intra-VLAN communication using wire-speed switching. However, if you have devices in separate VLANs that must communicate, and it is not practical to include these devices in a common VLAN, then the VLANs can be connected via a Layer 3...

A DVANCED T OPICS 4-7 nodes join or leave multicast groups. A switch or router can then easily determine which ports contain group members and send data out to those ports only. This procedure is called multicast filtering. The purpose of multicast filtering is to optimize a switched network’s perfo...

A DVANCED T OPICS 4-9 Port Trunks Ports can be combined into an aggregate link to increase the bandwidth of a network connection or ensure fault recovery. You can group ports into trunks that consist of two, three or four ports, creating an aggregate bandwidth up to 8 Gbps. Besides balancing the loa...

A DVANCED T OPICS 4-10 manager, log manager, MIB browser, RMON analysis tools, and device management modules. SMC also provides optional plug-in device management modules for HP OpenView. Remote Monitoring Remote Monitoring (RMON) provides a cost-effective way to monitor large networks by placing em...

T ROUBLESHOOTING A-2 Upgrading Firmware via the Serial Port You can upgrade system firmware by connecting your computer to the serial port on the switch, and using a console interface package that supports the XModem protocol. (See “Required Connections” on page 1-2.) 1. Restart the system by using ...

B-1 A PPENDIX B P IN A SSIGNMENTS Console Port Pin Assignments The DB-9 serial port on the switch’s rear panel is used to connect to the switch for out-of-band console configuration. The on-board menu-driven configuration program can be accessed from a terminal, a PC running a terminal emulation pro...

P IN A SSIGNMENTS B-2 DB-9 Port Pin Assignments Console Port to 9-Pin COM Port on PC Console Port to 25-Pin DCE Port on Modem EIA Circuit CCITT Signal Description Switch’s DB9 DTE Pin # PC DB9 DTE Pin # Modem DB25 DCE Pin # Signal Direction DTE-DCE CF 109 DCD (Data Carrier Detected) 1 1 8 <------...

P IN A SSIGNMENTS B-3 Console Port to 25-Pin DTE Port on PC Switch’s 9-Pin Serial Port Null Modem PC’s 25-Pin DTE Port 1 DCD 8 DCD 2 RXD 3 TXD 3 TXD 2 RXD 4 DTR 20 DTR 5 SGND 7 SGND 6 DSR 6 DSR 7 RTS 4 RTS 8 CTS 5 CTS 9 RI 22 RI 1 1 2 3 3 2 4 8 5 20 6 7 7 4 9 5 20 6

Glossary-1 G LOSSARY Bandwidth Utilization The percentage of packets received over time as compared to overall bandwidth. BOOTP Boot protocol used to load the operating system for devices connected to the network. GARP VLAN Registration Protocol (GVRP) Defines a way for switches to exchange VLAN inf...

G LOSSARY Glossary-2 IEEE 802.1D Specifies a general method for the operation of MAC bridges, including the Spanning Tree Protocol. IEEE 802.1Q VLAN Tagging defines Ethernet frame tags which carry VLAN information. It allows switches to assign end-stations to different virtual LANs, and defines a st...

G LOSSARY Glossary-4 Virtual LAN (VLAN) A Virtual LAN is a collection of network nodes that share the same collision domain regardless of their physical location or connection point in the network. A VLAN serves as a logical workgroup with no physical barriers, allowing users to share information an...

Index-179 Numerics 802.1p port priority 4-8802.1Q VLANs 4-3 A address table, static unicast 3-20Administrator password, setting 3-15aging time of address table 3-20 B baud rate, configuring 3-6BOOTP for IP configuration 1-4 BOOTP, for IP configuration 3-11BPDU 4-2bridge capability 3-29MIB extensions...