Cisco BC-145 - Manual
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Table of Contents:
- Page 2 – One-port Fast Ethernet 100BaseTX
- Page 3 – Token Ring VLANs; Those that are confined to a single ring
- Page 4 – TRISL Configuration Task List; Configuring IP Routing over TRISL, page 148; Configuring IP Routing over TRISL; Command; Enables IP routing on the router.; Specifies the subinterface on which TRISL will be used.; Sets a primary IP address for an interface.
- Page 5 – Note; Configuring Hot Standby Router Protocol over TRISL; Creates a pseudoring to terminate the RIF and assigns it to a VLAN.; Specifies the subinterface on which ISL will be used.; Specifies the IP address for the subnet on which ISL will be used.
- Page 6 – Configuring IPX Routing over TRISL
- Page 7 – Configuring Source-Route Bridging over TRISL
- Page 8 – Configuring Source-Route Translational Bridging over TRISL; Configuring Automatic Spanning Tree; Configures a virtual ring for the router.; Defines the encapsulation for TRISL.; Assigns a VLAN ID to the router’s virtual ring.
- Page 9 – Monitoring TRISL Statistics; DRiP information is used for the following:; Clears DRiP counters.; Displays DRiP information.; Displays a summary of VLAN subinterfaces.
- Page 10 – TRISL Configuration Examples; The following sections provide TRISL configuration examples:
- Page 11 – The following is the configuration for the router:
- Page 14 – IP Routing Source-Routed Frames Between TRISL VLANs Example
- Page 18 – IPX Routing Source-Routed Frames Between TRISL VLANs Example; shows IPX source-routed frames between TRISL VLANs.
- Page 19 – SRB Between Token Ring and TRISL VLAN Example; The following is the configuration for the Catalyst 5000 switch:
- Page 20 – SRB Between TRISL VLANs Example; illustrates SRB between two TrCRF VLANs.
- Page 22 – Transparent Bridging Between Token Ring and TRISL VLAN Example
- Page 23 – SR/TLB Between a TRISL VLAN and an Ethernet Interface Example; illustrates SR/TLB between a TRISL VLAN and an Ethernet interface.
- Page 24 – SR/TLB Between a TRISL VLAN and an Ethernet ISL VLAN Example; illustrates SR/TLB between a TRISL VLAN and an Ethernet ISL VLAN.
- Page 25 – TRISL with Fast EtherChannel Example; illustrates TRISL with Fast EtherChannel.; The following is the configuration for the Cisco 7500:
BC-145
Cisco IOS Bridging and IBM Networking Configuration Guide
78-11737-02
Configuring Token Ring Inter-Switch Link
This chapter explains how to configure Token Ring Inter-Switch Link (TRISL) on Cisco routers. The
chapter describes TRISL in the context of the Inter-Switch Link (ISL) protocol and the Token
Ring VLAN concept.
For a complete description of the Token Ring Inter-Switch Link commands in this chapter, refer to the
“Token Ring Inter-Switch Link Commands” chapter in the Cisco IOS Bridging and IBM Networking
Command Reference (Volume 1 of 2). To locate documentation of other commands that appear in this
chapter, use the command reference master index or search online. For information on how Token Ring
VLANs are implemented on switches, refer to the Catalyst Token Ring Switching Implementation Guide,
the Catalyst 5000 Series Token Ring Configuration Notes, the Catalyst 3900 Token Ring Switching User
Guide, and the Catalyst 3920 Token Ring Switching User Guide.
This chapter contains the following sections:
•
•
TRISL Configuration Task List, page 148
•
Monitoring TRISL Statistics, page 153
•
TRISL Configuration Examples, page 154
To identify the hardware platform or software image information associated with a feature, use the
Feature Navigator on Cisco.com to search for information about the feature or refer to the software
release notes for a specific release. For more information, see the
“Identifying Platform Support for
Cisco IOS Software Features” section on page li
in the “Using Cisco IOS Software” chapter.
Technology Overview
Cisco’s TRISL Implementation
This section contains information related to Cisco’s implementation of TRISL that you should
understand before you proceed to the
“TRISL Configuration Task List” section on page 148
ISL and TRISL
ISL is a Layer 2 protocol that enables switches and routers to transport Ethernet frames from multiple
VLANs across Fast Ethernet or Gigabit Ethernet links. Cisco’s TRISL protocol extends the ISL model
to include the transport of Token Ring frames from multiple VLANs across these same links.
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Summary
Configuring Token Ring Inter-Switch Link Technology Overview BC-146 Cisco IOS Bridging and IBM Networking Configuration Guide 78-11737-02 TRISL support on Cisco routers provides inter-VLAN routing and bridging across a 100-Mb Fast Ethernet link. ISL and TRISL together provide routing and bridging be...
Configuring Token Ring Inter-Switch Link Technology Overview BC-147 Cisco IOS Bridging and IBM Networking Configuration Guide 78-11737-02 Token Ring VLANs A VLAN is essentially a broadcast domain. In transparent bridging, there is only one type of broadcast frame and, therefore, only one level of br...
Configuring Token Ring Inter-Switch Link TRISL Configuration Task List BC-148 Cisco IOS Bridging and IBM Networking Configuration Guide 78-11737-02 Figure 54 illustrates a TrBRF that contains TrCRFs on both a router and a switch. Figure 54 TrCRFs in a TrBRF TRISL Configuration Task List To configure...
