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7-1

Chapter 7

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. IPX is Novell’s proprietary protocol that
specifies how information is to be broken up into separate packets, and how those
packets are to be addressed in order to transfer data between the server and
workstations on the network. The ATX identifies IPX packets and routes them
appropriately.

To display the IPX Routing Tables window from the ATX Hub View:

1.

Click on the PPE’s Module Index (Module 1). The Module menu will appear.

2.

Drag down to IPX Routing Tables, and release. The IPX Routing Tables
Routing window,

Figure 7-1

, will appear.

Summary of Contents for ENTERASYS ATX

Page 1: ...ATX User s Guide...

Page 2: ......

Page 3: ...e is virus free Copyright 2000 by Enterasys Inc All rights reserved Printed in the United States of America Order Number 9031891 03 April 2000 Enterasys Inc P O Box 5005 Rochester NH 03866 5005 Entera...

Page 4: ...2 are registered trademarks and AT Micro Channel PC PC DOS PC XT Personal Computer AT Operating System 2 Personal System 2 RISC System 6000 and Workplace Shell are trademarks of International Busines...

Page 5: ...d for use in a backup computer if any computer for which it was acquired is inoperative 3 Reproduced for safekeeping archives or backup purposes 4 Modified adapted or combined with other computer soft...

Page 6: ...iv...

Page 7: ...rt Status View 2 8 Port Status Color Codes 2 9 The Chassis Manager Window 2 10 Viewing Hardware Types 2 10 Interface Description 2 11 Managing the Hub 2 12 IPX Routing 2 12 Configuring IPX Routing on...

Page 8: ...rs Table Information 4 3 Editing the Port Filters Table 4 4 Adding a New Filter 4 5 Deleting a Port Filter 4 10 Viewing Filter Statistics 4 10 Chapter 5 Workgroup Configuration Configuring a Workgroup...

Page 9: ...Base T LANs with full connectivity to ATM The PPE uses a dual RISC processor design combined with specialized switching hardware to provide wire speed performance the intelligence to manage the bandwi...

Page 10: ...ow to use the Port Filtering window to create custom filters and discard or forward traffic based on the specified criteria Chapter 5 Workgroup Configuration describes how to set up virtual work group...

Page 11: ...nterface contains a number of elements which are common to most windows and which operate the same regardless of which window they appear in A brief description of some of the most common elements app...

Page 12: ...ed Informational fields describing the boards and or ports being modeled are also displayed in most windows Port Number Displays the number of the monitored port Uptime Displays the amount of time in...

Page 13: ...been implemented for the associated window From the Help menu accessed from the Module View window menu bar you can access on line Help specific to the Module View as well as bring up the Chassis Man...

Page 14: ...cations 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 NOTE For the...

Page 15: ...s and screens which are discussed at length in the following chapter To access the ATX Switch Chassis View window use one of the following options 1 In any map list or tree view double click on the AT...

Page 16: ...rovides a graphic 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 supp...

Page 17: ...ort menus are inactive during this stand by state 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 de...

Page 18: ...can access menus with device module and port level options as well as utility applications which apply to the ATX Switch The following illustration displays the menu structure and indicates how to use...

Page 19: ...itch the port display will flash to indicate the bridge interface of interest This is described in Using the Find Source Address Feature page 2 23 Exit which closes the ATX Switch Chassis View window...

Page 20: ...f the Chassis Manager application in use The PPE Module Menu The Packet Processing Engine PPE has the following selections in its module menu Module Type which brings up a window containing a descript...

Page 21: ...ing port on or off see Administratively Enabling and Disabling Ports page 2 29 for more information IPX Routing which allows you to enable or disable IPX Routing on any of the interfaces on the ATX se...

Page 22: ...on this port including configuration information for the bridged topology LRN Learning if the Forwarding database is being created or the Spanning Tree Algorithm is being executed because of a network...

Page 23: ...ciated with each port in the ATX Chassis I F Speed If you choose the I F Speed mode the port text boxes will display the speed 10 or 100 Mbits sec of the network segment connected to each port The spe...

Page 24: ...ary MIBs and RFCs The Chassis Manager window Figure 2 4 is a read only window that displays the MIBs and the MIB components and therefore the functionality supported by the currently monitored ATX Swi...

Page 25: ...nu will appear 2 Drag down to Module Type A Module Type text box Figure 2 6 will appear displaying the appropriate Module Type Figure 2 6 Module Type Text Boxes Interface Description You can view a br...

Page 26: ...n bridge configuration locating source addresses and enabling and disabling ports IPX Routing IPX Internetwork Packet Exchange is the Novell proprietary protocol that specifies how information is to b...

Page 27: ...rt Many IPX networks use a Novell proprietary type of framing instead of the Ethernet Standard IEEE 802 3 type of framing The type of framing used determines where information is positioned within an...

Page 28: ...thod within 802 3 or Ethernet2 frames This frame type contains higher level protocol information This frame is the same as 802 3 frames up to length field The length field is followed by SNAP informat...

Page 29: ...and the portion that identifies a host To add an entry to the IP Address Window 1 Enter the Index Port number IP Address and IP Mask associated with the entry you wish to add in the fields below the...

Page 30: ...ng speed for token ring ports only and local switching for token ring and fast ethernet ports only You may configure these attributes on an individual port basis through this window To access the Port...

Page 31: ...bridged between token ring ports on the same board at higher throughput and lower latency than is otherwise possible Address statistics will not reflect any frames forwarded in this manner This appli...

Page 32: ...es Only token ring ports may be set to source routing mode therefore this option will only be available on token ring ports SRT Source Route Transparent When the bridge port is set to Source Route Tra...

Page 33: ...n configure some of the source route bridging parameters from the Bridge Configuration window Ring Number The Ring Number is the unique network number of the target network segment that the bridge att...

Page 34: ...s the Spanning Tree Explorer Mode on this port click in both the Manual selection box and the Enable selection box To choose Manual Disable as the Spanning Tree Explorer Mode on this port click in bot...

Page 35: ...Choose one of the following options for this field pass Rif 1 The IPX frame is bridged as is with the route discovery proceeding as expected stripRif 2 The routing information field will be stripped...

Page 36: ...or this option Netbios Source Route This selection will specify what will occur when bridging Netbios packets that are also source routing explorer frames The source routing information can either be...

Page 37: ...down to Find Source Address The following window appears Figure 2 13 The Find Source Address Window 3 In the text field in the middle of the window enter a valid MAC address in Hex format and then cli...

Page 38: ...each interface UpTime The UpTime field lists the amount of time in a days hh mm ss format that the device has been running since the last start up Index The index value assigned to each interface on t...

Page 39: ...to reflect the current choice as described below Raw Counts The total count of network traffic received or transmitted on the indicated interface since device counters were last reset Raw counts are...

Page 40: ...of bytes transmitted by this interface expressed as a percentage of the theoretical maximum load When you select this option a Bar Graph field will be added to the interface display area this field is...

Page 41: ...eceive statistics note that the first four statistics are also graphically displayed in the pie charts Unicast Displays the number of packets transmitted to or received from this interface that had a...

Page 42: ...ecause they were created under an unknown or unsupported protocol Packets Received Received only Displays the number of packets received by the selected interface Transmit Queue Size Transmit only Dis...

Page 43: ...ingly To enable or disable a bridge port 1 Click on the desired Port index The Port menu will appear 2 Click on Admin Enable to enable the port or Admin Disable to disable the port Your port will now...

Page 44: ...The ATX Switch Chassis View 2 30 Managing the Hub...

Page 45: ...bled for a port using the Trunking Table window Figure 3 1 Trunking can be enabled for use on up to eight ports per switch allowing you to configure up to four trunk groups potentially yielding 80 or...

Page 46: ...the port has not yet received any trunking PDUs oneway trunking is enabled and the trunking protocol is attempting to establish a trunk connection but incoming trunking PDUs do not indicate that the...

Page 47: ...ree BPDU was received indicating that the connection is not point to point or that the far end of the link does not have trunking enabled 3 multiple bridges a different bridge has been connected at th...

Page 48: ...r disable trunking for selected ports The port selection area lists each of the ATX s ports and whether or not they are enabled accompanied by each port s MIB II ifIndex ifType ifSpeed The Trunking Ta...

Page 49: ...on the selection button representing the port for which you would like to disable trunking 2 Click on Disable The trunking table will update to reflect the new trunking selections 3 If you are disabli...

Page 50: ...Using ATX Trunking 3 6 The Port Trunking Window...

Page 51: ...segment for instance Exit filters are post processing filters The packet is received and processed at a port and then screened after a bridging decision is made at the port You can use this filter to...

Page 52: ...e forwarded onto a port s attached segment or be filtered from it For example you could make a filter that screens packets only if they are forwarded from Port 3 of the ATX are AppleTalk protocol pack...

Page 53: ...oring you can also use filters in conjunction with the mirroring application By using filters you can reduce the amount of traffic being mirrored This may be especially useful when mirroring traffic t...

Page 54: ...existing entry in the Filter Table using the filter definition fields in the lower portion of the window Delete Use this button to delete a highlighted entry in the Filter Table This will cause the f...

Page 55: ...received and forwarded by a specified port 3 Click on the Pseudo button to indicate whether you want to create a pseudo filter YES indicates that you wish to create a pseudo filter one which gathers...

Page 56: ...ANDed with an entry filter set to screen packets with a broadcast address the cumulative effect of the filters will only screen broadcast AppleTalk packets letting other broadcast or AppleTalk packet...

Page 57: ...entry within the range in hexadecimal XX XX XX XX XX XX format 6 To use a range of Destination Addresses as a filter criteria a In the Filter Parameters section click on the Destination Address Range...

Page 58: ...e offset in hexadecimal that indicates the number of bytes from the origin discussed in the next step at which you want to begin examining the packet s data field For example an Offset of 1A indicates...

Page 59: ...protocol type as the filtering criteria a Click the Frame Protocol selection box b Indicate whether you want the specified protocol type to be exclusive or inclusive for filtering purposes 1 Click to...

Page 60: ...on Delete The selected Filter will be erased from the Port Filters table and the filter identifiers will be regenerated accordingly Viewing Filter Statistics You can use the Filter Statistics fields t...

Page 61: ...rt can belong to more than one workgroup 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 following provides...

Page 62: ...stead If the workgroups are configured for an IP network the IP routing tables of those workgroups are combined and the standard IP best match algorithm is performed 1 Attempt to match the complete de...

Page 63: ...s indicated then the broadcast will be sent out of the ports in that workgroup If none of these conditions apply the packet will be forwarded out all Spanning Tree forwarding ports To access the Virtu...

Page 64: ...You will use the name to identify the workgroup 2 Choose the Type of workgroup you would like to create This determines which broadcast packet frame type you want to restrict to the member ports of t...

Page 65: ...The IPX Network Address is a 4 byte hexadecimal value that has been assigned to the IPX network If you leave the IPX Network Address blank this workgroup will be considered the default IPX workgroup...

Page 66: ...Workgroup Configuration 5 6 Configuring a Workgroup...

Page 67: ...he diagnostic port is local or remote To remedy this situation you can establish mirror filters using the ATX s Port Filtering utility Mirror filters are especially helpful when you are using a remote...

Page 68: ...nerally of interest when examining mirrored traffic MAC layer information with the possible exception of any necessary framing translation is reproduced exactly Network layer information is also unmod...

Page 69: ...ds allow you to either discard or truncate oversized packets that arrive at a local diagnostic port Configuring Port Mirroring The Port Mirroring window is used differently depending upon whether the...

Page 70: ...r 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 If the port s being mirrored are remote You wil...

Page 71: ...type in the port index number of the port on the ATX that will be used as the diagnostic port 3 Make certain that the entry in the Remote IP Addr field is 0 0 0 0 4 To discard oversized packets which...

Page 72: ...ATX Port Mirroring 6 6 The Port Mirroring Window...

Page 73: ...l s proprietary protocol that specifies how information is to be broken up into separate packets and how those packets are to be addressed in order to transfer data between the server and workstations...

Page 74: ...rmation 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 An entry is displayed for eac...

Page 75: ...mation on IPX Framing In Rip Pkts Displays the number of IPX Routing Information Protocol RIP packets received on this interface Out Rip Pkts Displays the number of IPX Routing Information Protocol RI...

Page 76: ...the services they provide It functions similarly to RIP but it is the servers that send out broadcasts advertising the services they provide IPX routers gather the information maintain a database of...

Page 77: ...rresponds 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...

Page 78: ...IPX Routing Tables 7 6 IPX Statistics...

Page 79: ...ets 6 4 6 5 Discarded packets 2 28 E Entry filters 4 1 Ethernet 2 7 3 ethernet802 3 7 3 Exit filters 4 1 F Field Offset 4 8 Filter Statistics 4 10 Firmware revision 2 4 Framing 7 3 G Getting Help 1 5...

Page 80: ...2 2 Port Filter adding a filter 4 5 data offset 4 4 4 8 deleting a filter 4 10 Destination Address filter 4 4 4 7 editing 4 4 Filter Alarms 4 9 filtering statistics 4 10 modifying an existing filter...

Page 81: ...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 U...

Page 82: ...Index Index 4...

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