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Enterasys ATX User Manual

Enterasys ATX User Manual

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  • Page 1 ATX User’s Guide...
  • Page 3 Media Interface Module, MicroMMAC, MIM, MMAC, MMAC-3, MMAC-3FNB, MMAC-5, MMAC-5FNB, MMAC-8, MMAC-8FNB, MMAC-M8FNB, MMAC-Plus, MRX, MRXI, MRXI-24, MultiChannel, NB20E, NB25E, NB30, NB35, NBR-220/420/620, RMIM, SecureFast Switch, SecureFast Packet Switching, SFS, SFPS, SPECTRUM Element Manager, SPECTRUM for Open Systems, SPIM-A, SPIM-C, SPIM-F1, SPIM-F2, SPIM-T, SPIM-T1, TPMIM, TPMIM-22, TPMIM-T1, TPRMIM, TPRMIM-36, TPT-T, TRBMIM, TRMM-2, TRMMIM, and TRXI are trademarks of Cabletron Systems, Inc.
  • Page 4 AppleTalk, Apple, Macintosh, and TokenTalk are registered trademarks; and Apple Remote Access and EtherTalk are trademarks of Apple Computer, Inc. SmartBoost is a trademark of American Power Conversion ST is a registered trademark and C++ is a trademark of AT&T Banyan and VINES are registered trademarks of Banyan Systems, Inc.
  • Page 5 ANNEX, ANNEX-II, ANNEX-IIe, ANNEX-3, ANNEX-802.5, MICRO-ANNEX-XL, and MICRO- ANNEX-ELS are trademarks of Xylogics, Inc. MAXserver and Xyplex are trademarks of Xyplex, Inc. Restricted Rights Notice (Applicable to licenses to the United States Government only.) Use, duplication, or disclosure by the Government is subject to restrictions as set forth in subparagraph (c) (1) (ii) of the Rights in Technical Data and Computer Software clause at DFARS 252.227-7013.

  • Page 7: Table Of Contents

    Chapter 1 Introduction Using the ATX Switch User’s Guide ... 1-2 Related Manuals... 1-2 Software Conventions ... 1-3 Common ATX Switch Window Fields ... 1-3 Using Window Buttons... 1-4 Getting Help ... 1-5 Using On-line Help... 1-5 Getting Help from the Global Technical Assistance Center ... 1-5...
  • Page 8 Contents Viewing I/F Summary Information ... 2-23 Interface Performance Statistics/Bar Graphs ... 2-25 Viewing Interface Detail ... 2-26 Enabling and Disabling Ports... 2-29 Administratively Enabling and Disabling Ports ... 2-29 Chapter 3 Using ATX Trunking The Port Trunking Window ... 3-2 Enabling and Disabling Trunking ...

  • Page 9: Chapter 1 Introduction

    Introduction How to use this guide; related guides; software conventions; getting help; ATX Switch firmware version information Welcome to the NetSight Element Manager for the ATX User’s Guide. We have designed this guide to serve as a simple reference for using NetSight Element Manager for the ATX Switch.

  • Page 10: Using The Atx Switch User's Guide

    Related Manuals The ATX Switch user’s guide is only part of a complete document set designed to provide comprehensive information about the features available to you through NetSight Element Manager. Other guides which include important information related to managing the ATX Switch include: Using the ATX Switch User’s Guide...

  • Page 11: Software Conventions

    NetSight Element Manager Tools Guide Network Troubleshooting Guide Microsoft Corporation’s Microsoft Windows User’s Guide For more information about the capabilities of the ATX Switch, consult the appropriate hardware documentation. Software Conventions NetSight Element Manager’s device user interface contains a number of elements which are common to most windows and which operate the same regardless of which window they appear in.

  • Page 12: Using Window Buttons

    IP Address Displays the ATX Switch’s IP (Internet Protocol) Address; this will be the IP address used to define the ATX Switch icon. IP addresses are assigned via Local Management for the ATX Switch; they cannot be changed via NetSight Element Manager.

  • Page 13: Getting Help

    , call up a menu listing the windows, (603) 332-9400 24 hours a day, 365 days a year (603) 337-3075 24 hours a day, 365 days a year Enterasys Networks Technical Support 35 Industria Way Rochester, NH 03867 support@enterasys.com Introduction...
  • Page 14 Introduction FTP: Login Password By BBS: Modem Setting Send your questions, comments, and suggestions regarding NetSight documentation to NetSight Technical Communications via the following e-mail address: Netsight_docs@enterasys.com To locate product specific information, refer to the Enterasys Web site at the following address: http://www.enterasys.com For the highest firmware versions successfully tested with NetSight Element Manager...

  • Page 15: Chapter 2 The Atx Switch Chassis View

    In the ATX Switch Chassis View, the first module represents the Packet Processing Engine (PPE) of the ATX Switch, which occupies the top slot in the ATX Switch chassis; NOTE although the port menu options are available for the port that represents the PPE, the options available from this module menu will apply to ATX Switch as a whole;...

  • Page 16: Viewing Chassis Information

    Viewing Chassis Information The ATX Switch Chassis View window representation of the ATX Switch, including a color-coded port display which immediately informs you of the current status of all the ports residing on inserted modules, and power supplies installed in the ATX Switch chassis.

  • Page 17: Front Panel Information

    Blue indicates an unknown contact status – polling has not yet been established with the ATX Switch. • Red indicates the ATX Switch is not responding to device polls (device is off line, or device polling has failed across the network for some other reason). UpTime The amount of time, in a day(s) hh:mm:ss format, that the ATX has been running since the last start-up.

  • Page 18: Menu Structure

    The revision of BOOT PROM installed in the ATX. Firmware The revision of device firmware stored in the ATX’s FLASH PROMs. The ATX Switch does not support Device Date or Time; therefore, these fields will display N/A. NOTE Menu Structure...
  • Page 19 Device Type..., which displays a window containing a description of the device being modeled. • System Group..., which allows you to manage the ATX Switch via SNMP MIB_II. Refer to the Generic SNMP User’s Guide for further information. • I/F Summary, which lets you view statistics (displayed both graphically and numerically) for the traffic processed by each network interface on your ATX.

  • Page 20: Selecting A Port Status View

    The Packet Processing Engine (PPE) has the following selections in its module menu: • Module Type..., which brings up a window containing a description of a module inserted in the ATX Switch; see chapter. • Port Trunking..., which brings up a window containing the trunking table and allows you to enable and disable trunking on each interface on your ATX;...
  • Page 21 Port Status Displays When you open the Chassis View window, each port on the ATX Switch will display its Admin status (defined below); to change this status display, select one of the options on the Port Status menu, as described in the following sections.
  • Page 22 • BLK (Blocking) if the port is on-line, but filtering traffic from going across the ATX Switch from one network segment to another. Bridge topology information will be forwarded by the port. • BRK (Broken) if the physical interface has malfunctioned.

  • Page 23: Port Status Color Codes

    For all other Port Status selections — Load, Errors, I/F Mapping, I/F Speed, and I/F Type— color codes will continue to reflect the most recently selected mode which incorporates its own color coding scheme. Viewing Chassis Information The ATX Switch Chassis View...

  • Page 24: The Chassis Manager Window

    In addition to the graphical displays described above, menu options available at several levels provide specific information about the physical characteristics of the boards and ports in the ATX Switch Chassis, as well as information about the ATX Switch itself.

  • Page 25: Interface Description

    Choosing the Device Type option on the Device menu brings up a window that tells you this is an ATX Switch. From the Module Menus in the Chassis View window, you can view a description of the module type. To view the module type: 1.

  • Page 26: Managing The Hub

    The ATX Switch Chassis View Figure 2-7. Sample Interface Description Text Boxes Managing the Hub In addition to the performance and configuration information described in the preceding sections, the Chassis View also provides you with the tools you need to configure your ATX Chassis and keep it operating properly.

  • Page 27: Configuring Ipx Routing On A Port

    6-byte destination address, a 6-byte source address, 802.3 length field in the third field of the packet followed by the IPX header and the data. The ATX Switch Chassis View Selecting the Frame Type for 2-13...

  • Page 28: Ip Routing

    The ATX Switch Chassis View 2(ethernet2) 3(ieee802.2) 4(snap) IP Routing IP is the TCP/IP protocol that specifies how information is to be broken into separate packets, and how those packets are to be addressed in order to be routed over a TCP/IP network.

  • Page 29: Configuring The Ip Address Table

    RIP uses routing tables to determine the best route for a packet. • Proxy — when enabled specifies that the port will respond to internet ARP requests for which the device is the next hop in a routed path. Managing the Hub The ATX Switch Chassis View 2-15...

  • Page 30: Port Configuration

    The ATX Switch Chassis View • Bootp Relay — when enabled specifies that this port will relay BOOTP packets. BootP requests and replies are encapsulated in UDP datagrams. • IP Multicast — when enabled specifies that the internet Multicast Routing Protocol is to be used over this port.

  • Page 31: Bridge Port Configuration

    To access Bridge Port Configuration: 1. Click on the appropriate Port button. A menu will appear. 2. Drag down to Bridge Configuration and release. The Bridge Configuration window, Managing the Hub Figure 2-11, will be displayed. The ATX Switch Chassis View 2-17...

  • Page 32: Setting The Bridge Mode

    The ATX Switch Chassis View Figure 2-11. Bridge Configuration window Setting the Bridge Mode Depending on the modules installed in your ATX chassis the ATX ports can support up to three modes of bridging: Transparent, Source Routing, and Source Route Transparent.

  • Page 33: Transmitting Bpdus

    Spanning Tree mode to one of the three possible modes. Auto Managing the Hub The ATX Switch Chassis View The port will forward an STE packet when it is in the Forwarding state; otherwise, it will discard the packet.

  • Page 34: Setting The Spanning Tree Explorer Mode

    The ATX Switch Chassis View Manual — Enable Manual — Disable Setting the Spanning Tree Explorer Mode • To choose Auto as the Spanning Tree Explorer Mode on this port, click in the Auto selection box. • To choose Manual Enable as the Spanning Tree Explorer Mode on this port, click in both the Manual selection box and the Enable selection box.
  • Page 35 Translation. none (1) 1 to 6 swap (6) Managing the Hub The ATX Switch Chassis View specifies that the 802.3 header is to be used without a 802.2 header. specifies that Ethernet-2 framing should be used. specifies than an LLC header is to be used along with the 802.3 header...
  • Page 36 The ATX Switch Chassis View ARP Source Route This selection will specify what will occur when bridging ARP packets that are also source routing explorer frames. The source routing information can either be stripped or forwarded. Choose one of the following options for this field:...

  • Page 37: Using The Find Source Address Feature

    MAC address is communicating through. When you select the Find Source Address option, a search is made of the 802.1d Bridge Filtering Database to discover the switch interface associated with the address that you specify. If the search is successful, the corresponding Bridge port will flash in the Chassis View window.
  • Page 38 The ATX Switch Chassis View 2. Drag down to I/F Summary and release. The I/F Summary window, Figure The I/F Summary window provides a variety of descriptive information about each interface on your device, as well as statistics which display each interface’s performance.

  • Page 39: Interface Performance Statistics/Bar Graphs

    In Discards In Errors In Unknown Out Octets Managing the Hub The ATX Switch Chassis View Octets received on the interface, including framing characters. Packets (both unicast and non-unicast) received by the device interface and delivered to a higher-layer protocol.

  • Page 40: Viewing Interface Detail

    The ATX Switch Chassis View Out Packets Out Discards Out Errors Load The number of bytes processed by the indicated interface during the last poll interval in comparison to the theoretical maximum load for that interface type. Load is further defined by the following parameters:...
  • Page 41 The ATX Switch Chassis View Figure 2-15. Interface Detail Window Three informational fields appear in the upper portion of the window: Description Displays the interface description for the currently selected interface: Ethernet. Address Displays the MAC (physical) address of the selected interface.

  • Page 42: Making Sense Of Detail Statistics

    The ATX Switch Chassis View Discarded Displays the number of packets which were discarded even though they contained no errors that would prevent transmission. Good packets are typically discarded to free up buffer space when the network becomes very busy; if this is occurring routinely, it usually means that network traffic is overwhelming the...

  • Page 43: Enabling And Disabling Ports

    From the Port menus on the ATX Chassis View window, you can administratively enable and disable the ports. In the ATX Switch Bridge Chassis View, the first Bridge port in the first module is not a port at all, but instead represents the Packet Processing Engine (PPE) of the ATX Switch, NOTE which occupies the top slot in the ATX Switch chassis.
  • Page 44 The ATX Switch Chassis View 2-30 Managing the Hub...

  • Page 45: Chapter 3 Using Atx Trunking

    “hot standby” mode. If connections are broken for any of the original eight trunk ports, the hot standby port will then participate in trunking, provided that it has a valid link to a remote switch which is participating in a trunk group.

  • Page 46: The Port Trunking Window

    Using ATX Trunking The Port Trunking Window The Port Trunking window features the trunking table (in the upper portion of the window), which displays the following information about each interface for which trunking is enabled: Index Displays the port’s strunkIfIndex identifier. State Indicates the port’s trunking condition (strunkState).
  • Page 47 • helddown — trunking is enabled, but the trunk connection has been rejected. Indicates that an error has been detected and the link is being held out of service until the error condition clears. After a short time-out period, another attempt will be automatically initiated to establish a good trunk connection.

  • Page 48: Enabling And Disabling Trunking

    Using ATX Trunking • (9) self-connect — this port is connected to another port on the same device. This port cannot be used until the condition clears. • (10) port-moved — a different port has been connected at the far end. The trunking protocol will restart.
  • Page 49 802.1D Spanning Tree takes about 30 seconds to resolve which ATX ports in a trunk group are to become forwarding ports. As ports within a trunk group become forwarding ports, traffic within the trunk group will be momentarily halted to guarantee the first-in, first-out ordering of Ethernet packets. Connections between ATX switches must be point-to-point;...
  • Page 50 Using ATX Trunking The Port Trunking Window...

  • Page 51: Chapter 4 Using Atx Port Filtering

    Using ATX Port Filtering Port filter table information; adding filters; viewing statistics The ATX lets you create custom filters to screen data packets, and discard or forward traffic based on the specified filter criteria. You may have several reasons for creating filters — for example, to monitor traffic patterns as an aid to optimizing your network design, or to evaluate your network security.
  • Page 52 Using ATX Port Filtering • Port filters use the physical index number of a bridge port to determine whether traffic is to be screened at the port. These filters are useful for screening packets from being forwarded onto a port’s attached segment. When you use Port filters in combination with Bridge Address Table entries, you can create highly specific filtering conditions to allow certain packets to be forwarded onto a port’s attached segment, or be filtered from it.

  • Page 53: Port Filters Table Information

    Port Filters Table Information The scrolling window at the top displays the filters defined for each port and provides the following information about them: Id (Identifier) An identifier assigned to each filter entry in the Port Filters table. This identifier is used to keep track of the number of entries in the Port Filters table, and is incremented or decremented as necessary when filters are added to or removed from the table.

  • Page 54: Editing The Port Filters Table

    Using ATX Port Filtering Destination Indicates the starting address of a filter based on a range of destination MAC addresses. MAC Addresses must be entered into this window in Canonical (Ethernet) format. NOTE Offset Indicates the hexadecimal offset of a data field filter designed to screen packets based on a portion of the data field.

  • Page 55: Adding A New Filter

    Remember that the ATX’s performance may be adversely affected if you define a large number of Port filters. Because the ATX has to decode packet data further than it would if no filters were established, the forwarding rate of traffic may be slowed as packets are CAUTION buffered and decoded.
  • Page 56 Using ATX Port Filtering flow as an aid in determining your network design or usage policies before actually reconfiguring the network. • NO (the default) indicates that you want to create an actual filter. 4. You can use Boolean AND/OR operators to logically link a series of filters together for packets received on the defined port.
  • Page 57 2.) Click to de-activate (gray-out) the Not In Range check box if you want c. Click in the Mask: text box and type in an address mask value that you want to apply to the source address range. (The default is all FF’s. An F in the mask indicates that you want to match the corresponding bit within the address range;...
  • Page 58 Using ATX Port Filtering If you want to filter on a single source or destination address, make sure the address is entered in both the Begin and End text boxes. You can use both the source and destination address fields to filter data based on equipment vendor, since the first three bytes of a MAC address are unique to a specific vendor.
  • Page 59 4.) Select FRAME if you want the field offset value relative to the end of e. If you want to use a data mask, click in the Mask: text box and type in an eight octet hexadecimal mask that will be applied to the eight octets within the packet before they are compared to the specified field value.

  • Page 60: Deleting A Port Filter

    Using ATX Port Filtering b. Click in the Threshold: text box, and enter the number of packets matching this filter that must be detected within the given interval for the trap to be generated. If you are monitoring the ATX, you must set the configAlarmDynamic MIB OID (1.3.6.1.4.1.97.3.3.1.12) to 1 (True) for the ATX to generate the trap.

  • Page 61: Chapter 5 Workgroup Configuration

    (e.g., if both IP and IPX traffic are broadcast over the same network segment). In all, you can create up to 100 virtual workgroups per switch. The ATX does not support workgroups in firmware versions earlier than 3.2.
  • Page 62 Workgroup Configuration If the ATX determines that the port does not belong to any workgroup configured for the received packet’s type, the packet will again be sent out through all other ports on the bridge that are in a Spanning Tree Forwarding state.
  • Page 63 If the received packet has a class D IP address indicating a multicast group address NOTE (224.0.0.0 through 239.255.255.255), the workgroups will not be used and the normal IP forwarding rules apply. If the workgroups are configured for an IPX network: 1.

  • Page 64: Configuring A Workgroup

    Workgroup Configuration You can both view existing workgroups and configure new workgroups from this window. The Workgroup Table at the top of the window lists each existing workgroup along with its configuration information. The lower section of this window allows you to set-up the parameters of your workgroup, including Name, Type, and IP or IPX network identifier and contains a Port Selection box in which you can choose the ports that will be included in the workgroup.

  • Page 65: Deleting A Workgroup

    • • b. If you choose IPX as your workgroup type, you can enter a specific IPX Network Address to use as a match for incoming broadcast packets. The IPX Network Address is a 4 byte hexadecimal value that has been assigned to the IPX network.
  • Page 66 Workgroup Configuration Configuring a Workgroup...

  • Page 67: Chapter 6 Atx Port Mirroring

    ATX to direct mirrored packets to the desired diagnostic port in its domain. Port mirroring introduces a certain amount of latency to the switch’s traffic, depending upon the load at the mirrored ports, the types of packets being captured, and whether the diagnostic port is local or remote.

  • Page 68: The Port Mirroring Window

    ATX Port Mirroring Oversized packets might be produced when mirrored traffic is sent from an 802.5 interface to an 802.3 interface (i.e., an 802.5 frame, when mirrored to an 802.3 interface, must have its MAC address reversed and a length field must be added; the translation process may increase the frame size so that it exceeds the size of the maximum transport unit (MTU) of the diagnostic port).

  • Page 69: Configuring Port Mirroring

    Figure 6-1. The ATX Port Mirroring Window The Port Mirroring window features a port selection area (at the right side of the window), with selection buttons for each of the ATX’s managed ports. The local management port (i.e., port 1) is not available for mirroring, and is therefore NOTE grayed out.

  • Page 70: If The Port(S) Being Mirrored And The Diagnostics Port Are Both Local

    ATX Port Mirroring If the port(s) being mirrored and the diagnostics port are both local 1. In the mirrored ports selection area, click on the selection button(s) for each port that you wish to mirror. 2. In the Mirror Type field, click on the menu button to display the Port Type selection menu.
  • Page 71 5. Using the Port Filtering window, establish any mirror filters that you wish to apply to the mirrored traffic. See Chapter 3, Using ATX Port Filtering, for details on setting up your mirror filters. 6. Click on Set to apply your port mirroring configuration. Your configuration will be reflected in the window.
  • Page 72 ATX Port Mirroring The Port Mirroring Window...

  • Page 73: Chapter 7 Ipx Routing Tables

    IPX Routing Tables IPX Statistics defined The IPX Routing Tables window displays statistics containing information about IPX Routing on your ATX. The ATX’s ports can be configured to route IPX (Internetwork Packet Exchange) packets, see the IPX Routing section in Chapter 2, for more information.

  • Page 74: Ipx Statistics

    IPX Routing Tables IPX Statistics The window consists of three separate tables: IPX Interface, IPX Route, and IPX SAP. Each section contains a different table of IPX routing information. IPX Interface This section displays the ATX’s IPX routing attributes on a per interface basis. Each entry defines the IPX routing information used by the interface.

  • Page 75: Ipx Route

    Framing Displays the link-level framing to be used for this interface: • ethernet 802.3 — the default for ethernet links. This framing will use an 802.3 length followed by the IPX header and data. • ethernet 2 —the same framing as 802.3, except the third field (the length field in 802.3) is used to store a value representing the type of transport packet that is encapsulated within the Ethernet packet.

  • Page 76: Ipx Sap

    IPX Routing Tables Port# Displays the interface index of the port on your ATX through which the next hop of the route should be reached. Hop Count Displays the secondary routing metric for this route, which is the number of routers that must be traversed to reach the destination.
  • Page 77 IPX Routing Tables NodeID Displays the IPX node address of the server. When you are running Netware 2.x this corresponds with a physical MAC address and is displayed in canonical bit order. If you are using Netware 3.x the node address is typically 000000000001. Socket Displays the socket number to which service requests should be addressed.
  • Page 78 IPX Routing Tables IPX Statistics...
  • Page 79 Admin 2-8 Admin/Link 2-8 Age 7-4 all 5-4 ARP Source Route 2-22 ARP Translate 2-21 Boolean operator 4-4, 4-6 Boot Prom, revision 2-4 Bridge 2-8 Bridge Configuration 2-17 Bridge Number 2-19 Bridge status mode 2-8 Broadcast Protection 2-16 buffer space 2-28 Cancel button 1-4 Clear button 3-4 color codes 2-9...
  • Page 80 Index Last Change 3-4 Last Error 3-3 Link Count 3-4 Link Ordinal Displays the position 3-4 link-level framing 7-3 Load 2-26 Local 6-4 Local Switching 2-17 Location 1-4 Logical Status 2-24 MAC address 1-4, 2-3 menu structure 2-4 MIB components 2-10 MIM type 2-11 Mirror Entry 4-3 Mirror Exit 4-3...
  • Page 81 Index technical support 1-5 Thresh Number 2-17 Thresh Time 2-17 Tick Count 7-4 to change the status view of your ports 2-8 Translation 2-20 Translation button 2-20 Transmit BPDUs 2-19 Transmit Queue Size 2-28 Troubleshooting 2-28 Truncate Oversized Packets 6-4, 6-5 Trunking 3-1 trunking table 3-2 type of service 7-4...
  • Page 82 Index Index-4...

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