Page 2 - Moxa PowerTrans Switch; accordance with the terms of that agreement.; Copyright Notice; Copyright; Trademarks; Moxa is a registered trademark of Moxa Inc.; Disclaimer
Moxa PowerTrans Switch PT-7728 User’s Manual The software described in this manual is furnished under a license agreement and may be used only in accordance with the terms of that agreement. Copyright Notice Copyright © 2008 Moxa Inc. All rights reserved. Reproduction without permission is prohibite...
Page 3 - Table of Contents; Chapter 1
Table of Contents Chapter 1 Introduction ...............................................................................................1-1 Overview .............................................................................................................................. 1-2 Package Checklist......
Page 5 - Introduction; The following topics are covered in this chapter:; Overview
1 1 Chapter 1 Introduction Welcome to the PowerTrans PT-7728, a managed redundant Gigabit Ethernet switch designed especially for connecting Ethernet-enabled devices for industrial field applications. The following topics are covered in this chapter: Overview Package Checklist Software Feature...
Page 7 - Getting Started; The following topics are covered:; Configuration by Telnet Console
2 2 Chapter 2 Getting Started This chapter explains how the initial installation process for the PT-7728. There are three ways to access PT-7728's configuration settings: the serial console, Telnet console, and web console. If you do not know the PT-7728's IP address, you can open the serial console...
Page 8 - NOTE
PT-7728 User’s Manual Getting Started 2-2 Serial Console Configuration (115200, None, 8, 1, VT100) NOTE y You cannot connect to the serial and Telnet console at the same time. y You can connect to the web console and another console (serial or Telnet) at the same time. However, it is strongly recomm...
Page 13 - Configuration by Web Browser; Address; or; URL; . This password will be required to access any; Password; field blank and press; Enter
PT-7728 User’s Manual Getting Started 2-7 Configuration by Web Browser The PT-7728’s web console is a convenient way to modify the configuration and access the built-in monitoring and network administration functions. You can open the PT-7728's web console using a standard web browser such as Intern...
Page 14 - Disabling Telnet and Browser Access; System Identification; under; Basic Settings; . Disable or enable the; Telnet Console; and; Web Configuration
PT-7728 User’s Manual Getting Started 2-8 3. After logging in, you may need to wait a few moments for the web console to appear. Use the folders in the left navigation panel to navigate between different pages of configuration options. Disabling Telnet and Browser Access If you are connecting the PT...
Page 15 - Featured Functions
3 3 Chapter 3 Featured Functions This chapter explains how to access PT-7728’s various configuration, monitoring, and administration functions. These functions can be accessed by serial, Telnet, or web console. The serial console can be used if you do not know PT-7728’s IP address and requires that ...
Page 16 - Configuring Basic Settings; Switch Name
PT-7728 User’s Manual Featured Functions 3-2 Configuring Basic Settings Basic Settings includes the most common settings required by administrators to maintain and control the PT-7728. System Identification System Identification items are displayed at the top of the web console and will be included ...
Page 17 - ATTENTION
PT-7728 User’s Manual Featured Functions 3-3 Password The PT-7728 provides two levels of configuration access. The admin account has read/write access of all configuration parameters, and the user account has read access only. The user account can only view the configuration, but will not be able to...
Page 18 - Accessible IP; The following table shows additional configuration examples:
PT-7728 User’s Manual Featured Functions 3-4 Accessible IP The PT-7728 uses an IP address-based filtering method to control access. You may add or remove IP addresses to limit access to the PT-7728. When the accessible IP list is enabled, only addresses on the list will be allowed access to the PT-7...
Page 19 - Port; Enable
PT-7728 User’s Manual Featured Functions 3-5 Port Port settings are included to give the user control over port access, port transmission speed, flow control, and port type (MDI or MDIX). Enable Setting Description Factory Default Checked This allows data transmission through the port. Unchecked Thi...
Page 20 - Speed; Network
PT-7728 User’s Manual Featured Functions 3-6 Speed Setting Description Factory Default Auto This allows the port to use the IEEE 802.3u protocol to negotiate with connected devices. The port and connected devices will determine the best speed for that connection. 100M-Full 100M-Half 10M-Full 10M-Hal...
Page 21 - Auto IP Configuration
PT-7728 User’s Manual Featured Functions 3-7 Auto IP Configuration Setting Description Factory Default Disable Select this to set the PT-7728’s IP address manually. By DHCP The PT-7728’s IP address will be assigned automatically by the network’s DHCP server. By BootP The PT-7728’s IP address will be...
Page 22 - Time; can therefore include time; Daylight Saving Time; Start Date
PT-7728 User’s Manual Featured Functions 3-8 Time The PT-7728 has a time calibration function based on information from an NTP server or user specified time and date. Functions such as automatic warning emails can therefore include time and date stamp. NOTE The PT-7728 does not have a real time cloc...
Page 23 - End Date; System File Update—By Remote TFTP
PT-7728 User’s Manual Featured Functions 3-9 End Date Setting Description Factory Default User-specified date This specifies the date that Daylight Savings Time ends. None Offset Setting Description Factory Default User-specified hour This specifies the number of hours that the time should be offset...
Page 24 - Configuration Files Path and Name
PT-7728 User’s Manual Featured Functions 3-10 TFTP Server IP/Name Setting Description Factory Default IP address of TFTP server This specifies the IP address or name of the remote TFTP server. This must be specified before downloading or uploading files. None Configuration Files Path and Name Settin...
Page 25 - System File Update—By Local Import/Export; Configuration File; Factory Default
PT-7728 User’s Manual Featured Functions 3-11 System File Update—By Local Import/Export Configuration File Click Export to save the PT-7728's configuration file to the local host. Log File Click Export to save the PT-7728's log file to the local host. NOTE Some operating systems will open the config...
Page 26 - Using Port Trunking; The Port Trunking Concept
PT-7728 User’s Manual Featured Functions 3-12 NOTE After restoring the factory default configuration, you will need to use the default network settings to re-establish the web or Telnet console connection with the PT-7728. Using Port Trunking Link aggregation involves grouping links to into a link a...
Page 27 - Configuring Port Trunking; Trunk Type
PT-7728 User’s Manual Featured Functions 3-13 Configuring Port Trunking The Port Trunking Settings page is where ports are assigned to a trunk group. Step 1: Select the desired Trunk Group (Trk1, Trk2, Trk3, Trk4). Step 2: Select the Trunk Type (Static or LACP). Step 3: Select the desired ports unde...
Page 28 - Trunk Table; Configuring SNMP; public
PT-7728 User’s Manual Featured Functions 3-14 Trunk Table Setting Description Trunk group Displays the trunk type and trunk group. Member port Displays the member ports that belong to the trunk group. Status Success means port trunking is working properly. Fail means port trunking is not working pro...
Page 29 - SNMP Read/Write Settings; SNMP Versions
PT-7728 User’s Manual Featured Functions 3-15 These parameters are configured on the SNMP page. A more detailed explanation of each parameter is given below the figure. SNMP Read/Write Settings SNMP Versions Setting Description Factory Default V1, V2c, V3, or V1, V2c, or V3 only This specifies the S...
Page 30 - Trap Settings; Trap Server IP/Name
PT-7728 User’s Manual Featured Functions 3-16 Admin Auth. Type (for SNMP V1, V2c, V3, and V3 only) Setting Description Factory Default No-Auth This allows the admin account to access objects without authentication. No MD5- Auth Authentication will be based on the HMAC-MD5 algorithms. 8-character pas...
Page 31 - Trap Community; Private MIB information; Switch Object ID; Using Communication Redundancy; redundant loops
PT-7728 User’s Manual Featured Functions 3-17 1 st Trap Community Setting Description Factory Default Max. 30 characters This specifies the community string to use for authentication. Public 2nd Trap Server IP/Name Setting Description Factory Default IP or name This specifies the IP address or name ...
Page 32 - Turbo Ring; which has a recovery time of under 300 ms.; Turbo Ring V2; The Turbo Ring Concept; master; Initial setup for Turbo Ring or Turbo Ring V2
PT-7728 User’s Manual Featured Functions 3-18 NOTE Most managed switches by Moxa support two proprietary Turbo Ring protocols: y Turbo Ring refers to the original version of Moxa’s proprietary redundant ring protocol, which has a recovery time of under 300 ms. y Turbo Ring V2 refers to the new gener...
Page 33 - Master
PT-7728 User’s Manual Featured Functions 3-19 Turbo Ring with even number of switches If the number of Ethernet switches in the Turbo Ring is 2N (an even number), the backup segment is one of the two segments connected to the (N+1)st switch (i.e., the unit directly opposite the master). Turbo Ring w...
Page 34 - Ring Coupling Configuration; Ring Coupling for Turbo Ring
PT-7728 User’s Manual Featured Functions 3-20 Determining the Redundant Path for Turbo Ring V2 Master For Turbo Ring V2 , the backup segment is the segment connected to the 2nd redundant port on the master. Please refer to Configuring Turbo Ring V2 later in this chapter. Ring Coupling Configuration ...
Page 36 - Dual-Homing Configuration for Turbo Ring V2; Dual-Homing for Turbo Ring V2; Configuring Turbo Ring and Turbo Ring V2; On the; Communication Redundancy; as the; Redundancy Protocol; . Note that each protocol's configuration page is different.; Configuring Turbo Ring
PT-7728 User’s Manual Featured Functions 3-22 Dual-Homing Configuration for Turbo Ring V2 Dual-homing is only supported with Turbo Ring V2 and is used to connect two networks through a single Ethernet switch. The primary path is the operating connection, and the backup path is a back-up connection t...
Page 38 - Enable Ring Coupling; Configuring Turbo Ring V2
PT-7728 User’s Manual Featured Functions 3-24 Enable Ring Coupling Setting Description Factory Default Enable This specifies that this PT-7728 will be a ring coupler. Disable This specifies that this PT-7728 is not a ring coupler. Not checked Coupling Port Setting Description Factory Default Couplin...
Page 40 - Set as Master
PT-7728 User’s Manual Featured Functions 3-26 *Both Ring 1 and Ring 2 must be enabled when using the dual-ring architecture. Set as Master Setting Description Factory Default Enabled The PT-7728 is manually selected as the master. Disabled The Turbo Ring or Turbo Ring V2 protocol will automatically ...
Page 41 - The STP/RSTP Concept; Differences between RSTP and STP
PT-7728 User’s Manual Featured Functions 3-27 The STP/RSTP Concept Spanning Tree Protocol (STP) was designed to help reduce link failures in a network and provide protection from loops. Networks that have a complicated architecture are prone to broadcast storms caused by unintended loops in the netw...
Page 43 - How STP Works; STP Requirements; shows the default port costs for a switch:; Port Speed; from which the network is configured.; STP Configuration
PT-7728 User’s Manual Featured Functions 3-29 How STP Works When enabled, STP determines the most appropriate path for traffic through a network. The method is described below: STP Requirements Before STP can configure the network, the system must satisfy the following requirements: y Communication ...
Page 45 - and therefore have the most efficient path.; Using STP on a Network with Multiple VLANs; See the; Configuring Virtual LANs; section for more information about VLAN Tagging.
PT-7728 User’s Manual Featured Functions 3-31 y Bridge A has been selected as the Root Bridge, since it was determined to have the lowest Bridge Identifier on the network. y Since Bridge A is the Root Bridge, it is also the Designated Bridge for LAN segment 1. Port 1 on Bridge A is selected as the D...
Page 46 - Configuring STP/RSTP; Protocol of Redundancy
PT-7728 User’s Manual Featured Functions 3-32 Configuring STP/RSTP The following figures indicate which Spanning Tree Protocol parameters can be configured. A more detailed explanation of each parameter is given below the figure. At the top of this page, the user can check the Current Status of this...
Page 47 - Forwarding Delay
PT-7728 User’s Manual Featured Functions 3-33 Forwarding Delay Setting Description Factory Default Numerical value input by user This specifies the amount of time this device will wait before checking to see if it should change to a different state. 15 (sec.) Hello Time (sec.) Setting Description Fa...
Page 48 - Port Status; Forwarding; Configuration Limits of RSTP/STP; HINT; “Hello Time”; Using Traffic Prioritization; The Traffic Prioritization Concept; What is Traffic Prioritization?
PT-7728 User’s Manual Featured Functions 3-34 Port Status Indicates the current Spanning Tree status of this port. Forwarding indicates normal transmission and Blocking indicates blocked transmission. Configuration Limits of RSTP/STP The Spanning Tree Algorithm places limits on three of the configur...
Page 49 - How Traffic Prioritization Works; IEEE 802.1D Traffic Marking
PT-7728 User’s Manual Featured Functions 3-35 y Provide predictable throughput for multimedia applications, such as video conferencing or voice over IP, and minimize traffic delay and jitter. y Improve network performance as the amount of traffic grows. This will save cost by reducing the need to ke...
Page 50 - Advantages of DiffServ over IEEE 802.1D are:; Traffic Prioritization; The PT-7728 supports two different queuing mechanisms:
PT-7728 User’s Manual Featured Functions 3-36 Differentiated Services (DiffServ) Traffic Marking DiffServ is a Layer 3 marking scheme that uses the DiffServ Code Point (DSCP) field in the IP header to store the packet priority information. DSCP is an advanced intelligent method of traffic marking be...
Page 51 - Configuring Traffic Prioritization; QoS Classification; Queuing Mechanism
PT-7728 User’s Manual Featured Functions 3-37 Configuring Traffic Prioritization Quality of Service (QoS) provides a traffic prioritization capability to ensure that important data is delivered consistently and predictably. The PT-7728 can inspect IEEE 802.1p/1Q layer 2 CoS tags, and even layer 3 TO...
Page 52 - Inspect COS; CoS Mapping
PT-7728 User’s Manual Featured Functions 3-38 Inspect COS Setting Description Factory Default Enable/Disable This enables or disables the PT-7728 to inspect the 802.1p COS tag in the MAC frame to determine the priority of each frame. Enable CoS Mapping Setting Description Factory Low/Normal/ Medium/...
Page 53 - Using Virtual LAN; —You could have one VLAN for the marketing department, another
PT-7728 User’s Manual Featured Functions 3-39 Setting Description Factory Default Low/Normal/ Medium/High This maps different TOS values to 4 different egress queues. 1 to 16: Low 17 to 32: Normal 33 to 48: Medium49 to 64: High Using Virtual LAN Setting up Virtual LANs (VLANs) on your PT-7728 increa...
Page 54 - Benefits of VLANs; VLANs ease the relocation of devices on networks.; Marketin; VLANs provide extra security.; Marketing; VLANs help control traffic.; VLANs and the PowerTrans; VLAN Name; Communication Between VLANs
PT-7728 User’s Manual Featured Functions 3-40 Benefits of VLANs The main benefit of VLANs is that they provide a network segmentation system that is far more flexible than traditional networks. Using VLANs also provides you with three other benefits: y VLANs ease the relocation of devices on network...
Page 55 - VLANs: Tagged and Untagged Membership; Access Port; in; Sample Applications of VLANs using PT-7728
PT-7728 User’s Manual Featured Functions 3-41 VLANs: Tagged and Untagged Membership The PT-7728 supports 802.1Q VLAN tagging, a system that allows traffic for multiple VLANs to be carried on a single physical (backbone, trunk) link. When setting up VLANs you need to understand when to use untagged a...
Page 57 - Configuring Virtual LAN; VLAN Settings; Management VLAN ID
PT-7728 User’s Manual Featured Functions 3-43 Configuring Virtual LAN VLAN Settings To configure 802.1Q VLAN on the PT-7728, use the VLAN Setting page to configure the ports. Management VLAN ID Setting Description Factory Default VLAN ID from 1 to 4094 This assigns the VLAN ID of this PT-7728. 1 Por...
Page 58 - Forbidden VLAN List; VLAN Table; Using Multicast Filtering; The Concept of Multicast Filtering; What is an IP Multicast?; multicast
PT-7728 User’s Manual Featured Functions 3-44 Fixed VLAN List (Tagged) Setting Description Factory Default VID range from 1 to 4094 This field will be active only when selecting the Trunk port type. Set the other VLAN ID for tagged devices that connect to the Trunk port. Use commas to separate diffe...
Page 59 - Benefits of Multicast; The benefits of using IP multicast are that it:; Multicast Filtering; Network without multicast filtering; All hosts receive the multicast traffic, even if they don’t need it.
PT-7728 User’s Manual Featured Functions 3-45 Benefits of Multicast The benefits of using IP multicast are that it: y Uses the most efficient, sensible method to deliver the same information to many receivers with only one transmission. y Reduces the load on the source (for example, a server) since ...
Page 60 - Multicast Filtering and Moxa PowerTrans Switch; IGMP (Internet Group Management Protocol)
PT-7728 User’s Manual Featured Functions 3-46 Network with multicast filtering IGMP Group2 Group 1 Multicast Stream Group 2 Multicast Stream IGMP Group1 IGMP Group2 IGMP Group1 LNK/ACT SPEED FDX/HDX FAULT MASTER COUPLER STAT PWR1 PWR2 RING PORT COUPLER PORT MODE 3 7 4 8 2 6 1 5 3 7 4 8 2 6 1 5 4 3 2...
Page 61 - IGMP Multicast Filtering; query; GMRP (GARP Multicast Registration Protocol); Configuring IGMP Snooping
PT-7728 User’s Manual Featured Functions 3-47 IGMP Multicast Filtering IGMP is used by IP-supporting network devices to register hosts with multicast groups. It can be used on all LANs and VLANs that contain a multicast capable IP router, and on other network devices that support multicast filtering...
Page 62 - IGMP Snooping Settings; IGMP Snooping Enable
PT-7728 User’s Manual Featured Functions 3-48 IGMP Snooping Settings IGMP Snooping Enable Setting Description Factory Default Enable/Disable Click the checkbox to enable the IGMP Snooping function globally . Disabled Query Interval Setting Description Factory Default Numerical value input by user Th...
Page 63 - IGMP Table; Add Static Multicast MAC; Add New Static Multicast Address to the List
PT-7728 User’s Manual Featured Functions 3-49 IGMP Table The PT-7728 displays the current active IGMP groups that were detected. The information includes VID , Auto-learned Multicast Router Port , Static Multicast Router Port , Querier Connected Port , and the IP and MAC addresses of active IGMP gro...
Page 64 - Configuring GMRP; GMRP enable; Disable; GMRP Table; Setting; Fixed Ports; Using Bandwidth Management
PT-7728 User’s Manual Featured Functions 3-50 Configuring GMRP GMRP is a MAC-based multicast management protocol, whereas IGMP is IP-based. GMRP provides a mechanism that allows bridges and end stations to register or un-register Group membership information dynamically. GMRP enable Setting Descript...
Page 65 - Configuring Bandwidth Management; Traffic Rate Limiting Settings; Ingress
PT-7728 User’s Manual Featured Functions 3-51 Configuring Bandwidth Management Broadcast Storm Protection Setting Description Factory Default This enables or disables Broadcast Storm Protection for unknown broadcast packet globally. Enable Enable/Disable This enables or disables Broadcast Storm Prot...
Page 66 - Using Port Access Control; Static Port Lock; the requests from the switch.; Authentication server:; frame to the authenticator. When the; EAPOL Start; sends an; Configuring Static Port Lock; The PT-7728 supports adding unicast groups manually if required.
PT-7728 User’s Manual Featured Functions 3-52 Using Port Access Control The PT-7728 provides two kinds of Port-Base Access Control. One is Static Port Lock and the other is IEEE 802.1X. Static Port Lock The PT-7728 can also be configured to protect static MAC addresses for a specific port. With the ...
Page 67 - None
PT-7728 User’s Manual Featured Functions 3-53 Setting Description Factory Default MAC Address Add the static unicast MAC address into the address table. None Port Fix the static address with a dedicated port. 1-1 Configuring IEEE 802.1X Database Option Setting Description Factory Default Local (Max....
Page 68 - Local User Database Setup
PT-7728 User’s Manual Featured Functions 3-54 Re-Auth Setting Description Factory Default Enable/Disable Select to require re-authentication of the client after a preset time period of no activity has elapsed. Disable Re-Auth Period Setting Description Factory Default Numerical (60 to 65535 sec.) Sp...
Page 69 - User Name for Local User Database; Port Access Control Table; The port status will show authorized or unauthorized.; Using Auto Warning
PT-7728 User’s Manual Featured Functions 3-55 Local User Database Setup Setting Description Factory Default User Name (Max. 30 characters) User Name for Local User Database None Password (Max. 16 characters) Password for Local User Database None Description (Max. 30 characters) Description for Local...
Page 70 - Configuring Email Warning; Email Alarm Events setting; Event Type
PT-7728 User’s Manual Featured Functions 3-56 Configuring Email Warning The Auto Email Warning function uses e-mail to alert the user when certain user-configured events take place. Three basic steps are required to set up the Auto Warning function: 1. Configuring Email Event Types Select the desire...
Page 71 - Email Setup
PT-7728 User’s Manual Featured Functions 3-57 Port Events Warning e-mail is sent when… Link-ON The port is connected to another device. Link-OFF The port is disconnected (e.g., the cable is pulled out, or the opposing device shuts down). Traffic-Overload The port’s traffic surpasses the Traffic-Thre...
Page 72 - Account Name; Configuring Relay Warning
PT-7728 User’s Manual Featured Functions 3-58 Account Name Setting Description Factory Default Max. 45 Charters Your email account. None Password Setting Setting Description Factory Default Disable/Enable to change password To reset the password from the Web Browser interface, click the Change passw...
Page 73 - Event Setup
PT-7728 User’s Manual Featured Functions 3-59 Event Setup Event Types can be divided into two basic groups: System Events and Port Events . System Events are related to the overall function of the switch, whereas Port Events are related to the activity of a specific port. The PT-7728 supports two re...
Page 74 - Override relay alarm settings; Warning List; Using Set Device IP; DHCP Client
PT-7728 User’s Manual Featured Functions 3-60 Override relay alarm settings Click the checkbox to override the relay warning setting temporarily. Releasing the relay output will allow administrators to fix any problems with the warning condition. Warning List Use this table to see if any relay alarm...
Page 75 - obtain; Configuring Set Device IP
PT-7728 User’s Manual Featured Functions 3-61 STEP 1—Set up the connected devices Set up those Ethernet-enabled devices connected to PT-7728 for which you would like IP addresses to be assigned automatically. The devices must be configured to obtain their IP address automatically. The devices’ confi...
Page 76 - Desired IP Address; Using Diagnosis; Mirror Port; mirror port
PT-7728 User’s Manual Featured Functions 3-62 Desired IP Address Setting Description Factory Default IP Address Set the desired IP of connected devices. None Using Diagnosis The PT-7728 provides two important tools for administrators to diagnose network systems. Mirror Port The Mirror port function ...
Page 77 - Ping; ping; Using Monitor; Monitor by Switch
PT-7728 User’s Manual Featured Functions 3-63 Ping The Ping function uses the ping command to give users a simple but powerful tool for troubleshooting network problems. The function’s most unique feature is that even though the ping command is entered from the user’s PC keyboard, the actual ping co...
Page 78 - Monitor by Port; Port i; All Ports; Using the MAC Address Table
PT-7728 User’s Manual Featured Functions 3-64 Monitor by Port Access the Monitor by Port function by selecting ALL 10/100M or 1G Ports or Port i , in which i= 1, 2, …, G2 , from the left pull-down list. The Port i options are identical to the Monitor by System function discussed above, in that users...
Page 79 - Using Event Log; Basic Setting
PT-7728 User’s Manual Featured Functions 3-65 The table will display the following information: MAC This field shows the MAC address Type This field shows the type of this MAC address Port This field shows the port that this MAC address belongs to Using Event Log Bootup This field shows how many tim...
Page 80 - Using Syslog; Syslog Server 1
PT-7728 User’s Manual Featured Functions 3-66 Using Syslog This function provides the event logs for the syslog server. The function supports 3 configurable syslog servers and syslog server UDP port numbers. When an event occurs, the event will be sent as a syslog UDP packet to the specified syslog ...
Page 82 - MIB Groups; MIB II.1 – System Group
A A Appendix A MIB Groups The PT-7728 comes with built-in SNMP (Simple Network Management Protocol) agent software that supports cold/warm start trap, line up/down trap, and RFC 1213 MIB-II. The standard MIB groups that the PT-7728 supports are as follows: MIB II.1 – System Group sysORTable MIB II.2...
Page 85 - Specifications; Technology; Standards; Switch Properties; Fast Ethernet
B B Appendix B Specifications Technology Standards IEEE 802.3 for 10BaseT, IEEE 802.3u for 100BaseT(X) and 100BaseFX, IEEE 802.3ab for 1000BaseT(X), IEEE 802.3z for 1000BaseSX/LX/LHX/ZX, IEEE 802.3x for Flow Control, IEEE 802.1D for Spanning Tree Protocol, IEEE 802.1w for Rapid STP, IEEE 802.1Q for ...