Cisco Systems BC-145 manual SRB Between Trisl VLANs Example, BC-164

Configuring Token Ring Inter-Switch Link

TRISL Configuration Examples

SRB Between TRISL VLANs Example

Figure 64 illustrates SRB between two TrCRF VLANs.

Figure 64 SRB Between TRISL VLANs

			Catalyst 5000 switch
Router with
Fast Ethernet				5500		Token
adapter
	Fast Ethernet 4/0.2	TrBRF 998/Bridge 13				Ring
TrCRF 102
						switch
	Fast Ethernet 4/0.1	TrBRF 999/Bridge 14
101						module
TrCRF 100						TrCRF
		TrCRF VLAN 40	Token		Token
						VLAN 50
		Slot 5
			Ring 1		Ring	Slot 5
		Port 1			10
						Port 2

End station End station

51890

The following is the configuration for the router:

source-bridge ring-group 101

!

interface fastethernet4/0.1

encapsulation tr-isl trbrf 999 bridge-num 14 source-bridge trcrf-vlan 100 ring-group 101 source-bridge spanning

!

interface fastethernet4/0.2

encapsulation tr-isl trbrf 998 bridge-num 13 source-bridge trcrf-vlan 102 ring-group 101 source-bridge spanning

The following is the configuration for the Catalyst 5000 switch with the Token Ring switch module in slot 5. The Token Ring port on 5/1 is assigned to TrCRF VLAN 40 and the Token Ring port on 5/2 is assigned to TrCRF VLAN 50.

In this configuration, the keyword name is optional and srb is the default mode.

#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 100 name trcrf100 type trcrf parent 999 ring 0x65 mode srb set vlan 40 name trcrf40 type trcrf parent 999 ring 0x1 mode srb set vlan 998 name trbrf type trbrf bridge 0xd stp ibm

set vlan 102 name trcrf102 type trcrf parent 998 ring 0x65 mode srb set vlan 50 name trcrf50 type trcrf parent 998 ring 0xa mode srb

	Cisco IOS Bridging and IBM Networking Configuration Guide
BC-164	78-11737-02