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117351-A Rev. A
Chapter 2
Using Source Routing Bridge Services
Source Routing Overview ...............................................................................................2-1
How Source Routing Differs from Transparent Bridging ...........................................2-2
How End Stations on a Source Routing Network Discover Routes .........................2-2
All-Paths Broadcast Routing ..............................................................................2-2
Spanning Tree Broadcast Routing .....................................................................2-3
Specific Routing .................................................................................................2-4
Source Routing over IP Networks ............................................................................2-4
How IP Encapsulation Works ...................................................................................2-5
IP Encapsulation Features .......................................................................................2-8
Source Route End Station Support ..........................................................................2-9
How the Bay Networks Source Routing Bridge Works .................................................2-10
Source Routing across a Token Ring Network .......................................................2-11
How the Source Routing Bridge Handles Explorer Frames .............................2-12
How the Source Routing Bridge Handles Specifically Routed Frames ...........2-14
Source Routing across an IP Network ...................................................................2-17
IP Encapsulation Guidelines ..................................................................................2-20
Source Routing over Frame Relay Networks .........................................................2-21
Source Routing over FDDI .....................................................................................2-21
For More Information about Source Routing ................................................................2-22
Implementation Notes ...................................................................................................2-22
Assigning Bridge IDs, Internal LAN IDs, and Group LAN IDs ................................2-22
Bridge ID ..........................................................................................................2-22
Internal LAN ID ................................................................................................2-24
Group LAN ID ..................................................................................................2-24
Configuring IP Encapsulation Support ...................................................................2-24
Enabling Source Routing Services ...............................................................................2-25
Enabling Source Routing Services on an Interface ................................................2-26
Enabling Source Routing Spanning Tree Service on an Interface .........................2-30
Editing Source Routing Parameters .............................................................................2-33
Editing Source Routing Global Parameters ...........................................................2-34
Source Routing Global Parameter Descriptions ....................................................2-35
Editing Source Routing Interface Parameters ........................................................2-38
Source Routing Interface Parameter Descriptions .................................................2-40
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