Avaya Configuring Bridging Services Manuel d'utilisateur

Part No. 117351-A Rev. ASeptember 1997BayRS Version 12.00Site Manager Software Version 6.00 Configuring Bridging Services

x 117351-A Rev. A Appendix B Components of a Source Route Frame 802.5 Physical Header ...

Configuring Bridging Services2-44 117351-A Rev. A Parameter: Encapsulation Format Default: Proprietary Options: Proprietary | Standard Function: Indic

Using Source Routing Bridge Services117351-A Rev. A 2-45 – If your router communicates with a Version 5 or Version 7 router via an FDDI network, and e

Configuring Bridging Services2-46 117351-A Rev. AFigure 2-20. Source Routing Bridge IDs Window2.Click on Add. The Add Bridge ID window appears (Figure

Using Source Routing Bridge Services117351-A Rev. A 2-47 5.Click on Done to exit the window. Site Manager returns you to the Configuration Manager wind

Configuring Bridging Services2-48 117351-A Rev. AAdding or Deleting an IP Address on the IP Explorer Address ListYou specify an IP address on the IP E

Using Source Routing Bridge Services117351-A Rev. A 2-49 Figure 2-23. Add Source Routing Explorer IP Address Window3.Enter the new IP address in the N

Configuring Bridging Services2-50 117351-A Rev. ADeleting an IP Explorer AddressTo delete an IP address from the IP Explorer Address list:1. Select Pr

Using Source Routing Bridge Services117351-A Rev. A 2-51 Figure 2-24. Edit Source Route Spanning Tree Global Parameters Window2.Edit the parameters, u

Configuring Bridging Services2-52 117351-A Rev. A Parameter: Spanning Tree Enable Default: Enable Options: Enable | Disable Function: Enables or disab

Using Source Routing Bridge Services117351-A Rev. A 2-53 Parameter: Bridge MAC Address Default: Defaults to a unique MAC address that the router auto

117351-A Rev. A xi Figures Figure 1-1. Forwarding Table Update ...1-2Figure 1-2

Configuring Bridging Services2-54 117351-A Rev. A Parameter: Max Age Default: 20 [seconds (expressed in hundredths of a second: 2000)] Options: 6 to 4

Using Source Routing Bridge Services117351-A Rev. A 2-55 Parameter: Forward Delay Default: 15 [seconds (expressed in hundredths of a second: 1500)] O

Configuring Bridging Services2-56 117351-A Rev. AEditing Source Route Spanning Tree Interface ParametersTo edit the source route spanning tree interfa

Using Source Routing Bridge Services117351-A Rev. A 2-57 Source Route Spanning Tree Interface Parameter DescriptionsUse these parameter descriptions a

Configuring Bridging Services2-58 117351-A Rev. ADeleting Source Routing from the RouterTo delete source routing from all circuits on which you enable

117351-A Rev. A 3-1 Chapter 3Using NetBIOS ServicesThis chapter provides:• An overview of NetBIOS• Implementation notes you should consider before you

Configuring Bridging Services3-2 117351-A Rev. AYou can configure the Bay Networks source routing bridge so that it treats NetBIOS names as though they

Using NetBIOS Services117351-A Rev. A 3-3 Establishing SessionsOnce a NetBIOS application determines that its name is unique on the network, the appli

Configuring Bridging Services3-4 117351-A Rev. A6. Based on the information gained from the name-recognized frame accepted by the originating applicat

Using NetBIOS Services117351-A Rev. A 3-5 Name CachingThe source route bridge NetBIOS name cache contains NetBIOS names, MAC addresses, and the RIF ne

xii 117351-A Rev. A Figure 2-11. Tracking an IP-Encapsulated Frame from ES1 to ES2 ...2-17Figure 2-12. Structure of an IP-Enc

Configuring Bridging Services3-6 117351-A Rev. AFor optimal efficiency, you should use client name caching on the routers that are nearest to the serve

Using NetBIOS Services117351-A Rev. A 3-7 If you disable datagram name caching, the source routing bridge cannot cache NetBIOS names and RIFs that it

Configuring Bridging Services3-8 117351-A Rev. AQuery caching consumes approximately 100 bytes per entry. Each cache entry remains in the query cache

Using NetBIOS Services117351-A Rev. A 3-9 You can adjust the processing time for the name/RIF cache using the Name Cache Age parameter, which is a sou

Configuring Bridging Services3-10 117351-A Rev. ABy disabling client name caching when the source route network is configured as a spanning tree, you a

Using NetBIOS Services117351-A Rev. A 3-11 Enabling NetBIOS ServicesThis section describes how to enable NetBIOS services under source routing. It ass

Configuring Bridging Services3-12 117351-A Rev. AFigure 3-1. Configuration Manager WindowFor each NetBIOS parameter, this section describes default set

Using NetBIOS Services117351-A Rev. A 3-13 Editing NetBIOS Global ParametersTo edit the global NetBIOS parameters:1. Select Protocols > Source Rout

Configuring Bridging Services3-14 117351-A Rev. ANetBIOS Global Parameter DescriptionsUse these parameter descriptions as a guide when you configure th

Using NetBIOS Services117351-A Rev. A 3-15 Parameter: NetBIOS Datagram RIF Cache Default: Disable Options: Enable | Disable Function: Globally enable

117351-A Rev. A xiiiFigure 5-7. Circuit List Window ...5-15Figure 5-8.

Configuring Bridging Services3-16 117351-A Rev. A Parameter: Max Name Cache Entries Default: 100 Options: 1 to 2147483648 Function: Specifies the max

Using NetBIOS Services117351-A Rev. A 3-17 Parameter: Hash Entry Count Default: 253 Options: 253 to 2147483648 Function: Specifies the number of entr

Configuring Bridging Services3-18 117351-A Rev. A Parameter: NetBIOS Query Cache Default: Disable Options: Enable | Disable Function: Globally enables

Using NetBIOS Services117351-A Rev. A 3-19 Parameter: Max Number Query Cache Entries Default: 100 Options: 1 to 2147483647 Function: Specifies the max

Configuring Bridging Services3-20 117351-A Rev. AEditing NetBIOS Interface ParametersTo edit NetBIOS interface parameters:1. Select Protocols > Sou

Using NetBIOS Services117351-A Rev. A 3-21 NetBIOS Interface Parameter DescriptionsUse these parameter descriptions as a guide when you configure the p

Configuring Bridging Services3-22 117351-A Rev. A Parameter: NetBIOS Datagram RIF Cache Default: Enable Options: Enable | Disable Function: Enables or

Using NetBIOS Services117351-A Rev. A 3-23 Using Statically Configured NetBIOS Clients and ServersThe following sections describe how to add, edit, and

Configuring Bridging Services3-24 117351-A Rev. AFigure 3-5. NetBIOS Window3.Enter values for the parameters, using the descriptions in the next secti

Using NetBIOS Services117351-A Rev. A 3-25 Parameter: NetBIOS Station Name Default: None Options: Any valid NetBIOS name Function: Specifies a NetBIOS

Configuring Bridging Services3-26 117351-A Rev. A Parameter: RIF from Router Default: None Options: Any valid RIF, with entries specified in hexadecima

Using NetBIOS Services117351-A Rev. A 3-27 Parameter: Enable Default: Enable Options: Enable | Disable Function: Enables or disables caching of the N

Configuring Bridging Services3-28 117351-A Rev. ADeleting a Statically Configured NetBIOS NameTo delete a statically configured NetBIOS name:1. Select P

117351-A Rev. A 4-1 Chapter 4Using Translation Bridge ServicesThis chapter contains:• An overview of the transparent-to-source routing translation bri

Configuring Bridging Services4-2 117351-A Rev. ADatabasesTo connect the TB and SR networks, the translation bridge uses two databases. The following s

Using Translation Bridge Services117351-A Rev. A 4-3 Bridge OperationsThe Bay Networks translation bridge software provides a link between the transpa

Configuring Bridging Services4-4 117351-A Rev. A-- If the source address is in the RIF table, updates its routing information.-- If the destination ad

Using Translation Bridge Services117351-A Rev. A 4-5 • If the destination address is not in the forwarding table, the transparent bridge forwards the

Configuring Bridging Services4-6 117351-A Rev. AFrame Format SelectionThe Ethernet Version 2 and Ethernet 802.3 protocols transmit data using differen

Using Translation Bridge Services117351-A Rev. A 4-7 Implementation NotesThe following sections contain specific information you should know before you

117351-A Rev. A xv Tables Table A-1. Transparent Bridge Global Parameters ... A-1Table A-2. Transpare

Configuring Bridging Services4-8 117351-A Rev. A• FDDI encapsulation• Native SRB on FDDILoop-Free OperationLoops occur in the network when there are s

Using Translation Bridge Services117351-A Rev. A 4-9 • Through bridge A, across TB network 3, through bridge D, to the destination on TB network 2.To

Configuring Bridging Services4-10 117351-A Rev. AFigure 4-2. Spanning Tree with Translation BridgingWhen you use the spanning tree protocol in a trans

Using Translation Bridge Services117351-A Rev. A 4-11 The destination MAC address for these BPDUs is the bit-swapped address used for transparent span

Configuring Bridging Services4-12 117351-A Rev. ARemember that the spanning tree algorithm works only if you use token ring interfaces to the SR netwo

Using Translation Bridge Services117351-A Rev. A 4-13 Figure 4-3. Edit Translation Bridge Global Parameters Window Parameter: Virtual LAN ID Default:

Configuring Bridging Services4-14 117351-A Rev. ACreating the Translation BridgeTo configure the translation bridge to run on the router, select Protoc

Using Translation Bridge Services117351-A Rev. A 4-15 Editing Translation Bridge ParametersAfter you configure the translation bridge to operate on the

Configuring Bridging Services4-16 117351-A Rev. AFigure 4-5. Edit Translation Bridge Global Parameters Window2.Edit the parameters, using the descript

Using Translation Bridge Services117351-A Rev. A 4-17 Parameter: Enable Default: Enable Options: Enable | Disable Function: Switches on and off the

Configuring Bridging Services4-18 117351-A Rev. A Parameter: Max Translation Entries Default: 255 Options: Any integer value Function: Specifies the ma

Using Translation Bridge Services117351-A Rev. A 4-19 Parameter: Broadcast Conversion Default: Enable Options: Enable | Disable Function: If you enab

Configuring Bridging Services4-20 117351-A Rev. A Parameter: Source Route Explorer Type Default: Spanning Tree Options: Spanning Tree | All Routes Fun

Using Translation Bridge Services117351-A Rev. A 4-21 Editing Translation Bridge MAC Address ConversionsToken ring networks use functional addresses f

Configuring Bridging Services4-22 117351-A Rev. AFigure 4-6. Address Mapping List Window2.Click on Add. The Translation Bridge Address Mapping window

Using Translation Bridge Services117351-A Rev. A 4-23 Translation Bridge Address Mapping Parameter DescriptionsUse these parameter descriptions as a g

Configuring Bridging Services4-24 117351-A Rev. AEditing Translation Bridge Station TypeThis section describes how to configure the translation bridge

Using Translation Bridge Services117351-A Rev. A 4-25 Figure 4-9. Translation Bridge Address Mapping Window3.Edit the parameters, using the descriptio

Configuring Bridging Services4-26 117351-A Rev. A Parameter: Ethernet Type Default: Ethernet Options: Ethernet | IEEE8023 Function: Specifies the type

117351-A Rev. A 5-1 Chapter 5Using Native Mode LAN ServicesThis chapter provides an overview of Native Mode LAN (NML) services and implementation note

117351-A Rev. A xvii About This Guide If you are responsible for configuring bridging services, you need to read this guide. Before you Begin Before

Configuring Bridging Services5-2 117351-A Rev. AEach LAN in a closed user group is connected to a bridge through an NML port. LAN A in the Star Closed

Using Native Mode LAN Services117351-A Rev. A 5-3 In Figure 5-1, for example, consider what happens when a member of the Star Closed User Group on LAN

Configuring Bridging Services5-4 117351-A Rev. AImplementation NotesThe following sections describe some Native Mode LAN configuration features.Defining

Using Native Mode LAN Services117351-A Rev. A 5-5 For example, the Moon closed user group in Figure 5-1 closes its office on the West Side, dismantling

Configuring Bridging Services5-6 117351-A Rev. AFigure 5-2. Edit NML Interface Window4.For instructions on editing NML parameters and assigning an acc

Using Native Mode LAN Services117351-A Rev. A 5-7 The Technician Interface lets you modify parameters by issuing set and commit commands that specify

Configuring Bridging Services5-8 117351-A Rev. AEditing NML Interface ParametersTo edit NML interface parameters:1. Select Protocols > NML > Int

Using Native Mode LAN Services117351-A Rev. A 5-9 NML Interface Parameter DescriptionsUse the following descriptions as a guide when you configure the

Configuring Bridging Services5-10 117351-A Rev. A Parameter: Add Security Header Default: Add Security Options: No Security | Add Security | Check Sec

Using Native Mode LAN Services117351-A Rev. A 5-11 Parameter: SAID Value Default: 0 Options: 0 to 231 (2,147,483,648) Function: Ignored by Bay Networ

Configuring Bridging Servicesxviii 117351-A Rev. A Make sure that you are running the latest version of Bay Networks Site Manager and router software

Configuring Bridging Services5-12 117351-A Rev. AAssigning an Access List to a PortTo validate a frame that is attempting to exit through an NML port,

Using Native Mode LAN Services117351-A Rev. A 5-13 4.Click on Add to add a security range. The NML Add Security Range window appears (Figure 5-6).Figu

Configuring Bridging Services5-14 117351-A Rev. ANML Add Security Range ParametersUse these parameter descriptions as a guide when you add security ra

Using Native Mode LAN Services117351-A Rev. A 5-15 Enabling RangesTo enable or disable the ranges you set for a selected circuit:1. Select the Circuit

Configuring Bridging Services5-16 117351-A Rev. AFigure 5-8. Circuit Definition Window4.Select Protocol > Edit NML > Security List. The NML Filte

Using Native Mode LAN Services117351-A Rev. A 5-17 NML Range Enable Parameter DescriptionUse this parameter description as a guide when you enable or

117351-A Rev. A A-1 Appendix ASite Manager Default SettingsThis appendix gives the Site Manager default parameter settings for configuring bridging ser

Configuring Bridging ServicesA-2 117351-A Rev. ATable A-2. Transparent Bridge Interface ParametersParameter DefaultEnable If you added bridging using

Site Manager Default Settings117351-A Rev. A A-3 Table A-4. Spanning Tree Interface Parameters Parameter DefaultEnable If you added spanning tree usin

About This Guide 117351-A Rev. A xix vertical line ( | ) Indicates that you enter only one of the parts of the command. The vertical line separates

Configuring Bridging ServicesA-4 117351-A Rev. ATable A-5. Source Routing Global Parameters Parameter DefaultEnable EnableSR Bridge Internal LAN ID 0

Site Manager Default Settings117351-A Rev. A A-5 Table A-6. Source Routing Interface Parameters Parameter DefaultEnable EnableMax number of RDs 7Sour

Configuring Bridging ServicesA-6 117351-A Rev. ATable A-9. Source Route Spanning Tree Global ParametersParameter DefaultSpanning Tree Enable EnableSpa

Site Manager Default Settings117351-A Rev. A A-7 Table A-11. NetBIOS Global ParametersParameter DefaultNetBIOS Server Name Cache DisableNetBIOS Client

Configuring Bridging ServicesA-8 117351-A Rev. ATable A-13. NetBIOS Static Name ParametersParameter DefaultEnable EnableNetBIOS Station Name NoneMac A

Site Manager Default Settings117351-A Rev. A A-9 Table A-16. Translation Bridge Ethernet Address Mapping ParametersParameter DefaultEthernet MAC Addre

117351-A Rev. A B-1 Appendix BComponents of a Source Route FrameA source route frame consists of the fields shown in Figure B-1.Figure B-1. Fields in a

Configuring Bridging ServicesB-2 117351-A Rev. ARouting Information Field (RIF)For source routing purposes, the most important part of a frame is the

Components of a Source Route Frame117351-A Rev. A B-3 Type of FrameThe first three bits specify the type of frame and the return frame requested. These

ii 117351-A Rev. A4401 Great America Parkway 8 Federal StreetSanta Clara, CA 95054 Billerica, MA 01821 Copyright © 1997 Bay Networks, Inc. All rights

Configuring Bridging Servicesxx 117351-A Rev. A PPP Point-to-Point ProtocolRFC Request for CommentsRIF routing information fieldSA source addressSAP s

Configuring Bridging ServicesB-4 117351-A Rev. AA possible value for the routing control field follows:011:1500010:2052011:4472100:8144101:11407110:178

117351-A Rev. A Index-1Numbers15-character Name Caching parameter, 3-15802.3 framestranslated by translation bridge, 4-6translated by transparent brid

Index-2 117351-A Rev. Adisabling, 3-14enabling, 3-14lookup, 3-8maximum entries allowed for, 3-16NetBIOS names, 3-27query, 3-7server name, 3-6using 15

117351-A Rev. A Index-3part of learning process, 1-2translation bridge, 4-2Frame formats, with translation bridge, 4-6Frame lengths, with translation

Index-4 117351-A Rev. ADisable interface parameter, 5-9Range Enable parameter, 5-17Range End add security range parameter, 5-14Range Start add securit

117351-A Rev. A Index-5Ring number, used with translation bridge, 4-3, 4-13, 4-17Route information field database, 4-2Routing information field (RIF), 2

Index-6 117351-A Rev. ASource Routing Translate/Learning Bridgeenabling on a circuit, 4-12Source routing-to-transparent translation bridge. See Transl

117351-A Rev. A Index-7Translation Bridge Enable parameter, 1-24Translation services, transparent bridge, 1-2, 1-3 to 1-8Transparent bridgeas designat

Index-8 117351-A Rev. A

About This Guide 117351-A Rev. A xxi Bay Networks Customer Service You can purchase a support contract from your Bay Networks distributor or authori

117351-A Rev. A 1-1 Chapter 1Using Transparent Bridge Services This chapter contains information on the following topics:• The transparent bridge, i

Configuring Bridging Services1-2 117351-A Rev. A A transparent bridge also provides some translation services, converting frames for bridging between

Using Transparent Bridge Services 117351-A Rev. A 1-3 When the bridge receives a frame, it compares the frame’s destination address with addresses i

Configuring Bridging Services1-4 117351-A Rev. A Figure 1-2. RFC 1042 Encapsulation AppleTalk Address Resolution Protocol (ARP) frames (Ethernet fram

Using Transparent Bridge Services117351-A Rev. A 1-5 Figure 1-4. Ethernet to FDDI TranslationFCSDATATYPEThrough bridge A to FDDI LANtranslation from e

Configuring Bridging Services1-6 117351-A Rev. AFigure 1-5. FDDI to Ethernet TranslationBridge BEthernet LAN1 Ethernet LAN2FDDI LANBridge ABRG0028AFCS

Using Transparent Bridge Services117351-A Rev. A 1-7 Figure 1-6. Ethernet/802.3 to FDDI TranslationThe translation process from the FDDI LAN to Ethern

117351-A Rev. A iii Bay Networks, Inc. Software License Agreement NOTICE: Please carefully read this license agreement before copying or using the

Configuring Bridging Services1-8 117351-A Rev. A Figure 1-7. AppleTalk ARP (Originating on FDDI) to 802.3 TranslationSpanning Tree AlgorithmThe spanni

Using Transparent Bridge Services117351-A Rev. A 1-9 Figure 1-8. Parallel Bridge TopologyWhen end station J initially sends a frame to end station K,

Configuring Bridging Services1-10 117351-A Rev. ANext, end station K receives two copies of the frame, resulting in an inefficient use of the available

Using Transparent Bridge Services117351-A Rev. A 1-11 2. Determine path costs.The path cost is the cost of the path to the root bridge offered by each

Configuring Bridging Services1-12 117351-A Rev. AFigure 1-10. Root Port Determination (Equal Path Costs and Root Interface Priorities)The spanning tre

Using Transparent Bridge Services117351-A Rev. A 1-13 Figure 1-11 shows the resulting logical topology, which provides a loop-free topology with only

Configuring Bridging Services1-14 117351-A Rev. AIf, in the network shown in Figure 1-8 on page 1-9, a majority of traffic originates on LAN A and is d

Using Transparent Bridge Services117351-A Rev. A 1-15 Filtering FramesYou use filters mainly for security reasons. They enable the bridge to relay or d

Configuring Bridging Services1-16 117351-A Rev. AEnabling Spanning Tree on an InterfaceTo enable spanning tree on an interface:1. From the Select Prot

Using Transparent Bridge Services117351-A Rev. A 1-17 Figure 1-13. Spanning Tree Autoconfiguration Window Parameter: Bridge Priority Default: 128 Opti

iv 117351-A Rev. A its own data and information and for maintaining adequate procedures apart from the Software to reconstruct lost or altered files,

Configuring Bridging Services1-18 117351-A Rev. A Parameter: Bridge MAC Address Default: Defaults to a unique MAC address that the router automaticall

Using Transparent Bridge Services117351-A Rev. A 1-19 Figure 1-14. Configuration Manager WindowFor each bridge and spanning tree parameter, this sectio

Configuring Bridging Services1-20 117351-A Rev. AEditing Bridge Global ParametersTo edit the bridge global parameters:1. Select Protocols > Bridge

Using Transparent Bridge Services117351-A Rev. A 1-21 Parameter: Enable Default: Enable Options: Enable | Disable Function: Enables or disables brid

Configuring Bridging Services1-22 117351-A Rev. A Parameter: Enable Forwarding DB Default: Enable Options: Enable | Disable Function: If you enable th

Using Transparent Bridge Services117351-A Rev. A 1-23 Figure 1-16. Bridge Interfaces Window2.Select the interface you want to edit.3. Edit the paramet

Configuring Bridging Services1-24 117351-A Rev. A Parameter: Enable Default: If you added bridging using either the Quick-Start procedure or the config

Using Transparent Bridge Services117351-A Rev. A 1-25 Figure 1-17. Edit Spanning Tree Global Parameters Window2. Edit the parameters, using the descri

Configuring Bridging Services1-26 117351-A Rev. A Parameter: Bridge Priority Default: 128 Options: 0 to 65535 Function: Combined with the Bridge MAC A

Using Transparent Bridge Services117351-A Rev. A 1-27 GuidelinesIf the values for Max Age, Hello Time, and Forward Delay are not the same for each br

117351-A Rev. A v Contents About This Guide Before you Begin ...

Configuring Bridging Services1-28 117351-A Rev. A Parameter: Hello Time Default: 2 [seconds (expressed in hundredths of a second: 200)] Options: 1 to

Using Transparent Bridge Services117351-A Rev. A 1-29 Parameter: Forward Delay Default: 15 [seconds (expressed in hundredths of a second: 1500)] Opti

Configuring Bridging Services1-30 117351-A Rev. AEditing Spanning Tree Interface ParametersTo edit spanning tree interface parameters:1. Select Protoc

Using Transparent Bridge Services117351-A Rev. A 1-31 Spanning Tree Interface Parameter DescriptionsUse these parameter descriptions as a guide when y

Configuring Bridging Services1-32 117351-A Rev. A Parameter: Path Cost Default: 1 Options: 1 to 65535 Function: When this port is the root port, the p

Using Transparent Bridge Services117351-A Rev. A 1-33 Deleting the Bridge and Spanning Tree from the RouterTo delete the bridge or spanning tree from

117351-A Rev. A 2-1 Chapter 2Using Source Routing Bridge ServicesThis chapter provides:• An overview of source routing technology• A description of ho

Configuring Bridging Services2-2 117351-A Rev. AEach LAN segment has a unique network-wide identification number, or ring ID. Each source routing bridg

Using Source Routing Bridge Services117351-A Rev. A 2-3 Figure 2-2. Source Routing DesignatorAfter the bridge adds the routing designator, it sends th

vi 117351-A Rev. A Chapter 2 Using Source Routing Bridge Services Source Routing Overview ...

Configuring Bridging Services2-4 117351-A Rev. ASpecific RoutingWhen an end station receives an ARE or STE frame, it generates a single frame, called a

Using Source Routing Bridge Services117351-A Rev. A 2-5 How IP Encapsulation WorksWhen you enable IP encapsulation on a source routing bridge (thus ma

Configuring Bridging Services2-6 117351-A Rev. AFigure 2-4. Source Routing over an IP Network5461.1.2.2 1.1.3.3711.1.1.11.1.5.531.1.2.21.1.3.31.1.5.5I

Using Source Routing Bridge Services117351-A Rev. A 2-7 When bridge A receives a source routed frame destined for an end station on ring 4, it examine

Configuring Bridging Services2-8 117351-A Rev. AIP Encapsulation FeaturesBay Networks implementation of IP encapsulation allows you to:• Configure redu

Using Source Routing Bridge Services117351-A Rev. A 2-9 Source Route End Station SupportThe Bay Networks routers running IP, IPX, XNS, AppleTalk, and

Configuring Bridging Services2-10 117351-A Rev. AFigure 2-6. IP Routers Source Routing across a Token Ring Network How the Bay Networks Source Routing

Using Source Routing Bridge Services117351-A Rev. A 2-11 Source Routing across a Token Ring NetworkThe Bay Networks source routing bridge handles inco

Configuring Bridging Services2-12 117351-A Rev. AHow the Source Routing Bridge Handles Explorer FramesThis section provides instructions on how the Ba

Using Source Routing Bridge Services117351-A Rev. A 2-13 Figure 2-8. Structure of an Explorer FrameES2 ES1 8270 DSAP SSAP DATAES2 ES1 8

117351-A Rev. A viiAdding or Deleting a Bridge ID on the Bridge Entry List ...2-45Adding a Bridge ID to the Brid

Configuring Bridging Services2-14 117351-A Rev. AHow the Source Routing Bridge Handles Specifically Routed FramesThis section describes how the Bay Net

Using Source Routing Bridge Services117351-A Rev. A 2-15 Example A: First of several bridges to receive the SRFThe frame received by bridge C from rin

Configuring Bridging Services2-16 117351-A Rev. AFigure 2-10. Structure of a Specifically Routed Frame from ES2 to ES1C000A2FFFFFA ES2 0CB0 001A

Using Source Routing Bridge Services117351-A Rev. A 2-17 Source Routing across an IP NetworkThis section provides details on how IP encapsulation work

Configuring Bridging Services2-18 117351-A Rev. A• Example C describes the actions of the last bridge of several Bay Networks bridges to handle the SR

Using Source Routing Bridge Services117351-A Rev. A 2-19 Figure 2-12. Structure of an IP-Encapsulated Frame from ES1 to ES2ES2 ES1 0C30 001A 00

Configuring Bridging Services2-20 117351-A Rev. AExample B: Between the first and last bridges to receive the SRFBay Networks bridge B receives the fra

Using Source Routing Bridge Services117351-A Rev. A 2-21 • Alternatively, you could configure a connectionless IP address on each router and configure o

Configuring Bridging Services2-22 117351-A Rev. AFor More Information about Source RoutingThe following documents provide technical details on Source

Using Source Routing Bridge Services117351-A Rev. A 2-23 If two or more Bay Networks bridges operate in parallel, you must assign different bridge IDs

viii 117351-A Rev. A Editing NetBIOS Parameters ...3-11Editing

Configuring Bridging Services2-24 117351-A Rev. AInternal LAN IDThe internal LAN ID is a source routing designator that identifies the virtual LAN on w

Using Source Routing Bridge Services117351-A Rev. A 2-25 • Specify a ring ID for the backbone IP network to which the source routing interface connect

Configuring Bridging Services2-26 117351-A Rev. AWhen you enable any of the source routing services, you are required to configure only a few parameter

Using Source Routing Bridge Services117351-A Rev. A 2-27 Figure 2-14. Edit Source Routing Global Parameters Window Parameter: SR Bridge Internal LAN I

Configuring Bridging Services2-28 117351-A Rev. A Parameter: SR Bridge ID Default: 0x0 Options: 0x1 to 0xf Function: Specifies this bridge’s bridge ID

Using Source Routing Bridge Services117351-A Rev. A 2-29 Figure 2-15. SR Interface List Window Parameter: Source Routing Ring Number Default: 0x0 Opti

Configuring Bridging Services2-30 117351-A Rev. AEnabling Source Routing Spanning Tree Service on an InterfaceTo enable source routing spanning tree o

Using Source Routing Bridge Services117351-A Rev. A 2-31 See “Editing Source Routing Parameters”on page 2-32 for instructions.Figure 2-16. Source Rout

Configuring Bridging Services2-32 117351-A Rev. A Parameter: Bridge MAC Address Default: Defaults to a unique MAC address that the router automaticall

Using Source Routing Bridge Services117351-A Rev. A 2-33 Figure 2-17. Configuration Manager Window

117351-A Rev. A ixEditing Translation Bridge Parameters ...4-15Editing Transla

Configuring Bridging Services2-34 117351-A Rev. AEditing Source Routing Global ParametersTo edit source routing global parameters:1. Select Protocols

Using Source Routing Bridge Services117351-A Rev. A 2-35 Source Routing Global Parameter DescriptionsUse these parameter descriptions as a guide when

Configuring Bridging Services2-36 117351-A Rev. A Parameter: SR Bridge ID Default: 0x0 Options: 0x1 to 0xf Function: Specifies this bridge’s bridge ID

Using Source Routing Bridge Services117351-A Rev. A 2-37 Parameter: IP Encapsulation Default: Disable Options: Enable | Disable Function: Enables IP

Configuring Bridging Services2-38 117351-A Rev. A Parameter: IP MTU Size (bytes) Default: 4562 Options: 0 to 4562 Function: Specifies the maximum MTU s

Using Source Routing Bridge Services117351-A Rev. A 2-39 Figure 2-19. SR Interface List Window2. Select the interface you want to edit.3. Edit the par

Configuring Bridging Services2-40 117351-A Rev. ASource Routing Interface Parameter DescriptionsUse these parameter descriptions as a guide when you c

Using Source Routing Bridge Services117351-A Rev. A 2-41 Parameter: Source Routing Ring Number Default: 0x0 Options: 0x001 to 0xfff Function: Identi

Configuring Bridging Services2-42 117351-A Rev. A Parameter: Inbound STEs Default: Accept Options: Accept | Block Function: Specifies whether the bridg

Using Source Routing Bridge Services117351-A Rev. A 2-43 Parameter: IP Address Default: None Options: Any valid IP address Function: Shows the IP add