![](https://pdfstore-manualsonline.prod.a.ki/pdfasset/e/6c/e6c30664-6b90-4d4c-898b-f512462078cc/e6c30664-6b90-4d4c-898b-f512462078cc-bg13.png)
Configuring Token Ring Inter-Switch Link
TRISL Configuration Examples
BC-163
Cisco IOS Bridging and IBM Networking Configuration Guide
78-11737-02
#add token port to trcrf 50
set vlan 50 5/2
set trunk 1/2 on
SRB Between Token Ring and TRISL VLAN Example
Figure 63 illustrates SRB between a Token Ring interface on a router and a TRISL VLAN.
Figure 63 SRB Between a Token Ring Interface and TRISL VLAN
The following is the configuration for the router with the Token Ring interface:
source-bridge ring-group 100
!
interface TokenRing3/1
ring speed 16
source-bridge 10 1 100
source-bridge spanning
!
interface fastethernet4/0.1
encapsulation tr-isl trbrf-vlan 999 bridge-num 14
source-bridge trcrf-vlan 40 ring-group 100
source-bridge spanning
!
The following is the configuration for the Catalyst 5000 switch:
#vtp
set vtp domain trisl
set vtp mode server
set vtp v2 enable
#drip
set tokenring reduction enable
set tokenring distrib-crf disable
#vlans
set vlan 999 name trbrf type trbrf bridge 0xe stp ibm
set vlan 40 name trcrf40 type trcrf parent 999 ring 0x64 mode srb
set vlan 50 name trcrf50 type trcrf parent 999 ring 0x14 mode srb
#add token port to trcrf 50
set vlan 50 5/1
5500
End station
TrBRF 999/Bridge 14
switch forwarding
TRISL VLAN traffic
Router with
Fast Ethernet
adapter
51889
Token
Ring
20
End station
Token
Ring
10
Token Ring
switch modu
TrCRF VLAN 50
Slot 5
Port 1
100
rCRF 40