Cabletron Systems 9E423 manual

Cabletron Systems MMAC-Plus ™ Remote Management for the 9E312 ™ Ethernet Switch Module and 9E423 ™ Series Ethernet SmartSwitch Module[...]

i Notice Cabletron Systems r eserves the right to make changes in specifications and other information contained in this document without prior notice. The reader should in all cases consult Cabletr on Systems to determine whether any such changes have been made. The hardwar e, firmware, or softwar e described in this manual is subject to change [...]

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v Contents Chapter 1 Intr oduction Using the 9E312 and 9E423 User ’s Guide ................................................................. 1-2 Related Manuals ............................................................................................................ 1-3 Software Conventions .....................................................[...]

Contents vi Chapter 3 9E312/9E423 Module Bridging Bridging Basics .............................................................................................................. 3-1 More on T ransparent Bridging ............................................................................. 3-2 An Overview of Remote Bridge Management..................[...]

1-1 Chapter 1 Intr oduction How to use this guide; related guides; software con ventions; getting help; 9E312 and 9E423 fir mware v ersions W elcome to the Cabletron Systems MMAC-Plus Remote Management for the 9E312™ Ethernet Switch Module and 9E423 ™ Series Ethernet SmartSwitch Modules User ’s Guide . W e have designed this guide to serve a[...]

Introduction 1-2 Using the 9E312 and 9E423 User’ s Guide switching on physical layer information, the INB allows your network infrastructur e to be protocol independent. The INB backplane consists of two channels (INB-1 and INB-2), each featuring a 64-byte wide data path capable of a sustained data transfer rate of 2 Gigabytes/second (4 Gigabytes[...]

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 contr olling a configured MMAC-Plus chassis, r efer to[...]

Introduction 1-4 Software Con v entions Cabletron Systems’ Network T roubleshooting Guide Microsoft Corporation’s Micr osoft W indows User ’s Guide For more information about the capabilities of the 9E312 or 9E423 Modules, consult the appropriate har dware documentation. Software Con ventions SPECTRUM Element Manager ’s device user interfac[...]

Software Con v entions 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 W indows for details. IP Address The Internet Protocol addr ess assigned to the 9E312 or 9E423 Module; this field will display the IP addr es[...]

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 section describes differ ent methods of getting hel[...]

9E312 and 9E423 Fir mw are 1-7 Introduction By phone: Monday through Friday between 8 AM and 8 PM Eastern Standard T ime at (603) 332-9400 By mail: Cabletron Systems, Inc. PO Box 5005 Rochester , NH 03866-5005 By CompuServe ® : GO CTRON from any ! pr ompt By Internet mail: support@ctron.com FTP ftp.ctron.com (134.141.197.25) Login anonymous Passwo[...]

Introduction 1-8 9E312 and 9E423 Firmware[...]

2-1 Chapter 2 The 9E312/9E423 Module Vie w Accessing the Module Vie w; inf ormation display ed in the Module View windo w; the logical module vie w — menu structure and inf or mation, the P or t Status display , the Chassis Manager window , the De vice T ype window; module management functions — setting de vice date and time, enab ling and disa[...]

The 9E312/9E423 Module View 2-2 Viewing Module Inf or mation 1. Using the mouse, clic k on the 9E312/9E423 Module icon to be monitored (in a map or the De vice List View). The icon will be highlighted. 2. Select Device —> Mana ge from the SPECTRUM Element Manager platf or m’ s menu bar , or select from the tool bar ; the Module View window w[...]

Viewing Module Inf or mation 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 V iew window , you can access all of the menus that lead to more detailed device- and port- level windows. Fr ont P anel Inf ormation [...]

The 9E312/9E423 Module View 2-4 Viewing Module Inf or mation P or t Status If management for your device supports a variable port display , this field will show the display currently in ef fect. If only a single port display is available — as is the case for the 9E312/9E423 Module — or if the default view is in effect, this field will state D[...]

Viewing Module Inf or mation 2-5 The 9E312/9E423 Module View Figure 2-3. 9E312/9E423 Module V iew Menu Structure The Device Men u From the Device Menu at the Module V iew window menu bar , you can access the following selections: • Device T ype... , which displays a window containing a description of the device being modeled. • Edit Device T im[...]

The 9E312/9E423 Module View 2-6 Viewing Module Inf or mation • 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 addr ess is communicating through. If the MAC address is detected as communicating thr ough the switc[...]

Viewing Module Inf or mation 2-7 The 9E312/9E423 Module View The Bridge P or t Menu The menu for the INB and Ethernet bridging interfaces offers thr ee selections: • Performance Graph... , which brings up a statistics window specific to the selected interface. • Source Addressing.... , which brings up a window allowing you to see which source [...]

The 9E312/9E423 Module View 2-8 Viewing Module Inf or mation LIS (Listening) (Magenta) The port is not adding information to the filtering database. It is monitoring Bridge Protocol Data Unit (BPDU) traffic while pr eparing to move to the forwarding state. BLK (Blocking) (Orange) The port is on-line, but filtering traffic fr om going across the[...]

Managing the Module 2-9 The 9E312/9E423 Module View T o view the Chassis Manager window: 1. Click on Help on the men u bar at the top of the Module View window . 2. Drag down to MIBs Suppor ted , and release. Viewing the De vice T ype In addition to the graphical displays described above, the Device T ype option on the Device menu and the Module T [...]

The 9E312/9E423 Module View 2-10 Managing the Module T o edit the device time: 1. Click on De vice on the Module View window men u bar to access the De vice menu; drag down to Edit De vice Time... , and release. The follo wing change window , Figure 2-6 , will appear . Figure 2-6. Edit T ime W indow 2. Enter the new time in a 24-hour hh:mm:ss f or [...]

Using the Find Source Address F eature 2-11 The 9E312/9E423 Module View Enabling and Disab ling Bridge P or ts From the Module V iew , 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 bridge entir ely . The port does not forw[...]

The 9E312/9E423 Module View 2-12 I/F Summar y Inf ormation that you specify . If the search is successful, the corresponding interface will flash in the Module V iew window . For more information on the Filtering Database and bridging in general, refer to Chapter 3, 9E312/9E423 Module Bridging . Use the Find Source Address option as follows: 1. Cl[...]

I/F Summar y Inf ormation 2-13 The 9E312/9E423 Module View Figure 2-9. I/F Summary W indow 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 UpT ime field. This field lists the amount of time[...]

The 9E312/9E423 Module View 2-14 I/F Summar y Inf ormation L. Sta Displays the current administrative status (logical status) of the interface. Possible administrative states are Up or Down . Interface P erformance Statistics/Bar Graphs W ith the statistics and accompanying bar graphs to the right of the interface description fields, you can view [...]

I/F Summar y Inf ormation 2-15 The 9E312/9E423 Module View In Unknown Packets received by the device interface that wer e discarded because of an unknown or unsupported protocol. Out Octets Octets transmitted by the interface, including framing characters. Out Packets Packets transmitted, at the request of a higher level protocol, by the device int[...]

The 9E312/9E423 Module View 2-16 I/F Summar y Inf ormation • Unicasts • Multicasts • Discarded Packets • Error Packets • Received Packets with unknown protocols • Packets waiting to be transmitted • T otal Received and T ransmitted Packets T o open the Interface Detail window from the I/F Summary window: 1. Click in the descriptiv e a[...]

I/F Summar y Inf ormation 2-17 The 9E312/9E423 Module View (ifOutUcastPkts) “The number of subnetwork unicast packets delivered to a higher-layer pr otocol.” A unicast is a transmission sent to only one station. This field displays the number of unicasts received fr om, or transmitted to, a higher-layer pr otocol. Multicast (ifInNUcastPkts) ?[...]

The 9E312/9E423 Module View 2-18 I/F Summar y Inf ormation The number of packets currently queued by the device for transmission. The amount of device memory devoted to buffer space, and the traf fic level on the target network determine how lar ge the output packet queue can grow befor e the device begins to discard packets. This statistic applie[...]

I/F Summar y Inf ormation 2-19 The 9E312/9E423 Module View T o test the current interface: 1. Click on . The current interface will no w be operating in the test state. T o disable the current interface: 1. Click on . The current interface will no w be operating in a closed state. Using the Applications Pull-down men u The Applications button leads[...]

The 9E312/9E423 Module View 2-20 I/F Summar y Inf ormation[...]

3-1 Chapter 3 9E312/9E423 Module Bridging Bridge management ov er view; the Bridge Status window — viewing the windo w , field definitions, enabling and disab ling br idging; the Br idge P erf or mance Graphs — field definitions , configur ing the graphs , bridge detail breakdown, bridge por t detail background; the Bridge Spanning T ree w[...]

9E312/9E423 Module Bridging 3-2 An Ov er view of Remote Bridge Management In Source Route bridging, the sour ce 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 numbers) to it. When the destination node r[...]

The Bridge Status Window 3-3 9E312/9E423 Module Bridging • The Spanning T ree window shows bridge port information and pr otocol parameters relating to the Spanning T ree Algorithm (the method of determining the controlling bridge when a series of bridges ar e placed in parallel). • W ith the Filtering Database window , you can see the contents[...]

9E312/9E423 Module Bridging 3-4 The Bridge Status Windo w Figure 3-1. The 9E312/9E423 Module Bridge Status W indow Bridge Status Window Inf ormation Fields The following information is provided by the Bridge Status window for the 9E312/9E423 Module and for each switch interface that supports bridging. Note that the and buttons will be activated so [...]

The Bridge Status Window 3-5 9E312/9E423 Module Bridging • Learning (Magenta) — The Forwarding database is being cr eated, or the Spanning T ree Algorithm is being executed because of a network topology change. The port is monitoring network traffic, and learning network addresses. • Listening (Magenta) — The port is not adding information[...]

9E312/9E423 Module Bridging 3-6 Enabling and Disab ling Br idging • 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 traf fic across the 9E312/9E423 Module (see Filtering Database , following). • Duplex Modes... which invoke[...]

Bridge Statistics 3-7 9E312/9E423 Module Bridging P erformance Graphs Y ou use the Bridge Performance Graphs to view a color-coded strip chart that shows you the traffic being bridged thr ough all networks or an individual network supported by your device. Y ou can configure the display to show bridge traffic (frames filter ed, forwarded, or tr[...]

9E312/9E423 Module Bridging 3-8 Bridge Statistics Bridge Perf ormance Graph Window Fields Y ou can select the following statistics to display in the Bridge Performance Graph or Bridge Port Performance Graph. Statistics are pr ovided numerically (as an average or peak value) and graphically . The device is polled for the graphed information every 2 [...]

Bridge Statistics 3-9 9E312/9E423 Module Bridging Configuring the Bridge Perf ormance Graphs T o configure the Bridge Performance Graph: 1. Using the mouse, clic k on (with green statistics to the right). The F orwarded pull-down men u will appear . Click on the desired mode. 2. Click on (with magenta statistics to the right). The Filtered pull- [...]

9E312/9E423 Module Bridging 3-10 Bridge Statistics Figure 3-3. Interface Statistics W indow 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 Describes the interface description (SNMB MIB[...]

Bridge Spanning T ree 3-11 9E312/9E423 Module Bridging Non-Unicast Displays the number of packets transmitted to, or received fr om, this interface that had a source or destination addr ess that is recognized by multiple devices on the network segment. The Non-Unicast field includes a count of broadcast packets — those that are r ecognized by al[...]

9E312/9E423 Module Bridging 3-12 Bridge Spanning T ree In a network design with multiple transparent bridges placed in parallel (i.e., attached to the same local network segment), only a single bridge should forward data through the LAN, leaving the r emaining bridges on the segment in a standby state so that another can assume the bridging respons[...]

Bridge Spanning T ree 3-13 9E312/9E423 Module Bridging Figure 3-4. Bridge Spanning T ree W indow Configuring the Bridge Spanning T ree Window The Bridge Spanning T ree window displays ST A parameters and allows you to alter parameters for the 9E312/9E423 Module bridge as a whole, and for each individual bridging interface. The currently selected b[...]

9E312/9E423 Module Bridging 3-14 Bridge Spanning T ree Root Bridge Displays the MAC address of the bridge that is curr ently 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 that a frame must travel. For example, if each[...]

Bridge Spanning T ree 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 r esending Configuration BPDUs. The range for this field is 1 to 10 seconds, with a default value of 2 seconds. The Root Bridge sets the Hello T ime. Max [...]

9E312/9E423 Module Bridging 3-16 Bridge Spanning T ree A lower assigned value gives the port a higher Priority when BPDUs are compared. The allowable range is 0-FF hexadecimal (0-255 decimal); the default is 80 hexadecimal. P ath Cost Displays the cost that this port will contribute to the calculation of the overall Root path cost in a Configurati[...]

Bridge Spanning T ree 3-17 9E312/9E423 Module Bridging Changing Bridge Spanning T ree Parameter s The Bridge Spanning T ree 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 click on at the bottom of the Spanning T ree wind[...]

9E312/9E423 Module Bridging 3-18 Bridge Spanning T ree 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 v alue. 2. Click on . The IEEE 802.1d specification [...]

Filtering Database 3-19 9E312/9E423 Module Bridging Changing P or t Priority T o change the part of the Port Priority used in priority comparisons: 1. If necessar y , select the desired por t b y clicking the mouse to highlight the port in the low er r ight quadrant of the windo w . The lower left quadrant of the window will no w allow y ou to edit[...]

9E312/9E423 Module Bridging 3-20 Filtering Database destination address is located on a dif ferent network, the bridge forwar ds the packet to the appropriate network. If the destination addr ess is not found in the Filtering Database, the bridge forwards the packet to all networks. T o keep Filtering Database entries current, older entries ar e pu[...]

Filtering Database 3-21 9E312/9E423 Module Bridging Figure 3-5. The Filtering Database W indow A scrollable Address Entry panel allows you to: • V iew the address entries in the Filtering Database. • Alter an entry’s type (e.g., from Learned to Permanent, Dynamic, or Static). • V iew and configure the bridging action taking place on the pa[...]

9E312/9E423 Module Bridging 3-22 Filtering Database T o 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 Filter ing Database window will appear . Filtering Database Window Fields The following fields are listed in the top portion of the[...]

Filtering Database 3-23 9E312/9E423 Module Bridging Source P ort 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, Dynamic, or Static entry and has corresponding[...]

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 Ye s to exit the window without changing the Filtering Database, or No to return to the window . Altering the Ageing[...]

Filtering Database 3-25 9E312/9E423 Module Bridging Changing the P or t 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 sour ce address will be filter ed or forwarded at the port, as configur ed. 1. Scroll through the [...]

9E312/9E423 Module Bridging 3-26 Filtering Database 5. A Static filtering entr y will be created in the database, which y ou can then configure as necessar y . a. Specify the T ype of Entry , Receive P ort , and P or t Filtering action on the new address entry as descr ibed in the pre vious sections. b . Clic k OK to set the changes to the Filter[...]

Filtering Database 3-27 9E312/9E423 Module Bridging The Port Source Addresses window displays the MAC addr esses of all devices that have transmitted packets that have been forwarded thr ough the selected bridging interface during the last cycle of the Filtering Database’s defined ageing timer (learned addresses that have not transmitted a packe[...]

9E312/9E423 Module Bridging 3-28 Duple x Modes Duple x 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 connection that is not using full duplex mode, the[...]

Duple x Modes 3-29 9E312/9E423 Module Bridging Figure 3-9. Duplex Modes W indow 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 each interface. Possible values for this field [...]

9E312/9E423 Module Bridging 3-30 Duple x Modes Setting the Duplex Mode Y ou set an interface to use or not use Full Duplex Switched Ethernet by turning the Full Duplex capability ON or OFF from this window . T o turn the Full Duplex mode ON or OFF: 1. In the Duple x Modes window highlight the interf ace you w ant to change. 2. Double-clic k on the [...]

Inde x-1 Index A Adding Entries 3-25 Address 3-10, 3-22 Ageing T ime 3-20, 3-22, 3-24 B BLK (Blocking) 2-8, 3-5 Boot Prom, r evision 2-4 Bridge Menu 2-6 Bridge Performance Graphs 3-7 configuring the graph 3-8 Bridge Port Menu 2-7 Bridge Priority 3-13, 3-17 Bridge Protocol Data Units (BPDUs) 3-2, 3-12 Bridge Spanning T ree Changing Parameters 3-17 [...]

Inde x Inde x-2 accessing the Interface Detail window 2-16 interface description fields 2-13 Interface 3-29 Interface Address 3-5 Interface Group window 2-15 statistics 2-16 testing or disabling an interface 2-18 Interface Speed 3-5 Interface Statistics W indow 3-10 Interface T ype 3-5 IP addr ess 1-5, 2-3 L L. Sta 2-14 Learned Database 3-20 Learn[...]