Cabletron Systems 9E312 - Manuals

Contents vi Chapter 3 9E312/9E423 Module Bridging Bridging Basics .............................................................................................................. 3-1 More on Transparent Bridging ............................................................................. 3-2 An Overv...

1-1 Chapter 1 Introduction How to use this guide; related guides; software conventions; getting help; 9E312 and 9E423 firmware versions Welcome to the Cabletron Systems MMAC-Plus Remote Management for the 9E312™ Ethernet Switch Module and 9E423 ™ Series Ethernet SmartSwitch Modules User ’s Guide . W...

Related Manuals 1-3 Introduction For information about management functions which are accessed via the SPECTRUM Element Manager platform, consult the Installing and Using SPECTRUM Element Manager and SPECTRUM Element Manager Utilities User ’s Guides; for more information about monitoring and control...

Introduction 1-4 Software Conventions Cabletron Systems’ Network Troubleshooting Guide Microsoft Corporation’s Microsoft Windows User ’s Guide For more information about the capabilities of the 9E312 or 9E423 Modules, consult the appropriate hardware documentation. Software Conventions SPECTRUM Elem...

Software Conventions 1-5 Introduction Device Name Displays the user-defined name of the device. The device name can be changed via the System Group window; see the Generic SNMP Management Module Guide for Windows for details. IP Address The Internet Protocol address assigned to the 9E312 or 9E423 Mo...

Introduction 1-6 Getting Help Some buttons, like the two above, call up a menu listing the windows, screens, or commands available for that topic. Any menu topic followed by ... (three dots) — for example Statistics... — calls up a window or screen associated with that topic. Getting Help This secti...

2-1 Chapter 2 The 9E312/9E423 Module View Accessing the Module View; information displayed in the Module View window; the logical module view — menu structure and information, the Port Status display, the Chassis Manager window, the Device Type window; module management functions — setting device da...

The 9E312/9E423 Module View 2-2 Viewing Module Information 1. Using the mouse, click on the 9E312/9E423 Module icon to be monitored (in a map or the Device List View). The icon will be highlighted. 2. Select Device —> Manage from the SPECTRUM Element Manager platform’s menu bar, or select from th...

Viewing Module Information 2-3 The 9E312/9E423 Module View By clicking in designated areas of the module’s graphical display (as detailed later in this chapter), or by using the menu bar at the top of the Module View window, you can access all of the menus that lead to more detailed device- and port...

The 9E312/9E423 Module View 2-4 Viewing Module Information Port Status If management for your device supports a variable port display, this field will show the display currently in effect. If only a single port display is available — as is the case for the 9E312/9E423 Module — or if the default view...

Viewing Module Information 2-5 The 9E312/9E423 Module View Figure 2-3. 9E312/9E423 Module View Menu Structure The Device Menu From the Device Menu at the Module View window menu bar, you can access the following selections: • Device Type... , which displays a window containing a description of the d...

The 9E312/9E423 Module View 2-6 Viewing Module Information • Find Source Address... , which opens a window that allows you to search the 802.1d Filtering Database of the 9E312/9E423 to determine which switching interface a specified source MAC address is communicating through. If the MAC address is ...

Viewing Module Information 2-7 The 9E312/9E423 Module View The Bridge Port Menu The menu for the INB and Ethernet bridging interfaces offers three selections: • Performance Graph... , which brings up a statistics window specific to the selected interface. • Source Addressing.... , which brings up a ...

The 9E312/9E423 Module View 2-8 Viewing Module Information LIS (Listening) (Magenta) The port is not adding information to the filtering database. It is monitoring Bridge Protocol Data Unit (BPDU) traffic while preparing to move to the forwarding state. BLK (Blocking) (Orange) The port is on-line, b...

Managing the Module 2-9 The 9E312/9E423 Module View To view the Chassis Manager window: 1. Click on Help on the menu bar at the top of the Module View window. 2. Drag down to MIBs Supported, and release. Viewing the Device Type In addition to the graphical displays described above, the Device Type o...

Using the Find Source Address Feature 2-11 The 9E312/9E423 Module View Enabling and Disabling Bridge Ports From the Module View, you can enable or disable bridging at the interfaces supported by your 9E312/9E423 module. When you disable bridging at a port, you disconnect that port’s network from the...

The 9E312/9E423 Module View 2-12 I/F Summary Information that you specify. If the search is successful, the corresponding interface will flash in the Module View window. For more information on the Filtering Database and bridging in general, refer to Chapter 3, 9E312/9E423 Module Bridging. Use the F...

I/F Summary Information 2-13 The 9E312/9E423 Module View Figure 2-9. I/F Summary Window When you open the I/F Summary window, you will see fields which describe each interface on your device, as well as a bar graph and statistics which display each interface’s performance. There is also an UpTime fi...

The 9E312/9E423 Module View 2-14 I/F Summary Information L. Sta Displays the current administrative status (logical status) of the interface. Possible administrative states are Up or Down. Interface Performance Statistics/Bar Graphs With the statistics and accompanying bar graphs to the right of the...

I/F Summary Information 2-15 The 9E312/9E423 Module View In Unknown Packets received by the device interface that were discarded because of an unknown or unsupported protocol. Out Octets Octets transmitted by the interface, including framing characters. Out Packets Packets transmitted, at the reques...

The 9E312/9E423 Module View 2-16 I/F Summary Information • Unicasts • Multicasts • Discarded Packets • Error Packets • Received Packets with unknown protocols • Packets waiting to be transmitted • Total Received and Transmitted Packets To open the Interface Detail window from the I/F Summary window:...

I/F Summary Information 2-17 The 9E312/9E423 Module View (ifOutUcastPkts) “The number of subnetwork unicast packets delivered to a higher-layer protocol.” A unicast is a transmission sent to only one station. This field displays the number of unicasts received from, or transmitted to, a higher-layer...

The 9E312/9E423 Module View 2-18 I/F Summary Information The number of packets currently queued by the device for transmission. The amount of device memory devoted to buffer space, and the traffic level on the target network determine how large the output packet queue can grow before the device begi...

I/F Summary Information 2-19 The 9E312/9E423 Module View To test the current interface: 1. Click on . The current interface will now be operating in the test state. To disable the current interface: 1. Click on . The current interface will now be operating in a closed state. Using the Applications P...

3-1 Chapter 3 9E312/9E423 Module Bridging Bridge management overview; the Bridge Status window — viewing the window, field definitions, enabling and disabling bridging; the Bridge Performance Graphs — field definitions, configuring the graphs, bridge detail breakdown, bridge port detail background; ...

9E312/9E423 Module Bridging 3-2 An Overview of Remote Bridge Management In Source Route bridging, the source node sends “explorer” packets to a destination node that pass through a bridged network. Each bridge that sees the explorer packet will append Routing Information (in the form of LAN segment ...

The Bridge Status Window 3-3 9E312/9E423 Module Bridging • The Spanning Tree window shows bridge port information and protocol parameters relating to the Spanning Tree Algorithm (the method of determining the controlling bridge when a series of bridges are placed in parallel). • With the Filtering D...

9E312/9E423 Module Bridging 3-4 The Bridge Status Window Figure 3-1. The 9E312/9E423 Module Bridge Status Window Bridge Status Window Information Fields The following information is provided by the Bridge Status window for the 9E312/9E423 Module and for each switch interface that supports bridging. ...

The Bridge Status Window 3-5 9E312/9E423 Module Bridging • Learning (Magenta) — The Forwarding database is being created, or the Spanning Tree Algorithm is being executed because of a network topology change. The port is monitoring network traffic, and learning network addresses. • Listening (Magent...

9E312/9E423 Module Bridging 3-6 Enabling and Disabling Bridging • Filtering Database... which invokes a window that lets you configure the 9E312/9E423 Module bridge’s acquired and permanent filtering databases to filter or forward traffic across the 9E312/9E423 Module (see Filtering Database , follo...

Bridge Statistics 3-7 9E312/9E423 Module Bridging Performance Graphs You use the Bridge Performance Graphs to view a color-coded strip chart that shows you the traffic being bridged through all networks or an individual network supported by your device. You can configure the display to show bridge t...

9E312/9E423 Module Bridging 3-8 Bridge Statistics Bridge Performance Graph Window Fields You can select the following statistics to display in the Bridge Performance Graph or Bridge Port Performance Graph. Statistics are provided numerically (as an average or peak value) and graphically. The device ...

Bridge Statistics 3-9 9E312/9E423 Module Bridging Configuring the Bridge Performance Graphs To configure the Bridge Performance Graph: 1. Using the mouse, click on (with green statistics to the right). The Forwarded pull-down menu will appear. Click on the desired mode. 2. Click on (with magenta sta...

9E312/9E423 Module Bridging 3-10 Bridge Statistics Figure 3-3. Interface Statistics Window Interface Statistics Window Fields The following informational and statistics fields appear in the interface Statistics window. Three informational fields appear in the upper portion of the window: Description...

Bridge Spanning Tree 3-11 9E312/9E423 Module Bridging Non-Unicast Displays the number of packets transmitted to, or received from, this interface that had a source or destination address that is recognized by multiple devices on the network segment. The Non-Unicast field includes a count of broadcas...

Bridge Spanning Tree 3-13 9E312/9E423 Module Bridging Figure 3-4. Bridge Spanning Tree Window Configuring the Bridge Spanning Tree Window The Bridge Spanning Tree window displays STA parameters and allows you to alter parameters for the 9E312/9E423 Module bridge as a whole, and for each individual b...

9E312/9E423 Module Bridging 3-14 Bridge Spanning Tree Root Bridge Displays the MAC address of the bridge that is currently functioning as the Root Bridge. Root Cost Indicates the cost of the data path from this bridge to the Root Bridge. Each port on each bridge adds a “cost” to a particular path th...

Bridge Spanning Tree 3-15 9E312/9E423 Module Bridging Hello Time This parameter indicates, in seconds, the length of time the Root Bridge (or bridge attempting to become the Root) waits before resending Configuration BPDUs. The range for this field is 1 to 10 seconds, with a default value of 2 secon...

Bridge Spanning Tree 3-17 9E312/9E423 Module Bridging Changing Bridge Spanning Tree Parameters The Bridge Spanning Tree window allows you to update the following parameters for your 9E312/9E423 Module bridge. When you have finished making changes to the following individual parameters, you must clic...

9E312/9E423 Module Bridging 3-18 Bridge Spanning Tree Changing Hello Time If the bridge is the Root Bridge, or is attempting to become the Root, and you want to change the length of time the bridge waits between sending configuration BPDUs: 1. Highlight the Hello Time field, and type in a new value....

Filtering Database 3-19 9E312/9E423 Module Bridging Changing Port Priority To change the part of the Port Priority used in priority comparisons: 1. If necessary, select the desired port by clicking the mouse to highlight the port in the lower right quadrant of the window. The lower left quadrant of ...

9E312/9E423 Module Bridging 3-20 Filtering Database destination address is located on a different network, the bridge forwards the packet to the appropriate network. If the destination address is not found in the Filtering Database, the bridge forwards the packet to all networks. To keep Filtering D...

9E312/9E423 Module Bridging 3-22 Filtering Database To access the Filtering Database window from the Bridge Status window: 1. Click on . The Bridge pull-down menu will appear. 2. Click on Filtering Database.... The Filtering Database window will appear. Filtering Database Window Fields The following...

Filtering Database 3-23 9E312/9E423 Module Bridging Source Port Indicates the port number on which the address entry was first detected. A question mark (?) indicates that the address entry was not a learned entry, but Port Filtering information applies to it (i.e., the entry is a created Permanent,...

9E312/9E423 Module Bridging 3-24 Filtering Database If you change the window without clicking OK, then attempt to exit the window by clicking Cancel, a text box will appear stating “Changes have been made. Cancel them?”. Click on Yes to exit the window without changing the Filtering Database, or No ...

Filtering Database 3-25 9E312/9E423 Module Bridging Changing the Port Filtering Action For a Static, Dynamic, or Permanent Filtering Database entry, you can change the Port Filtering action at each bridge port so that traffic with the associated source address will be filtered or forwarded at the po...

9E312/9E423 Module Bridging 3-26 Filtering Database 5. A Static filtering entry will be created in the database, which you can then configure as necessary. a. Specify the Type of Entry, Receive Port, and Port Filtering action on the new address entry as described in the previous sections. b. Click O...

Filtering Database 3-27 9E312/9E423 Module Bridging The Port Source Addresses window displays the MAC addresses of all devices that have transmitted packets that have been forwarded through the selected bridging interface during the last cycle of the Filtering Database’s defined ageing timer (learne...

9E312/9E423 Module Bridging 3-28 Duplex Modes Duplex Modes The Ethernet switch interfaces on a 9E312/9E423 Module will support Full Duplex Switched Ethernet (FDSE) mode. Enabling Full Duplex mode on an interface allows the interface to receive and transmit packets at the same time. On an Ethernet co...

Duplex Modes 3-29 9E312/9E423 Module Bridging Figure 3-9. Duplex Modes Window Duplex Modes Window Fields The following information is displayed in the Duplex Modes window. Interface: Lists the interfaces available on the 9E312/9E423 Module. Full Duplex: Displays the current state of Full Duplex on e...

9E312/9E423 Module Bridging 3-30 Duplex Modes Setting the Duplex Mode You set an interface to use or not use Full Duplex Switched Ethernet by turning the Full Duplex capability ON or OFF from this window. To turn the Full Duplex mode ON or OFF: 1. In the Duplex Modes window highlight the interface y...