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Catalyst 6500 Series Switch Software Configuration Guide—Release 8.7
OL-8978-04
Chapter 11 Configuring VLANs
Configuring Token Ring VLANs on the Switch
Creating or Modifying a Token Ring TrCRF VLAN
Note You must enable VTP version 2 before you create the Token Ring VLANs. For information on enabling
VTP version 2, see Chapter 10, “Configuring VTP.”
To create a new Token Ring TrCRF VLAN, perform this task in privileged mode:
Note You must specify a ring number (either in hexadecimal or in decimal) and a parent TrBRF VLAN when
creating a new TrCRF.
This example shows how to create a Token Ring TrCRF VLAN and verify the configuration:
Console> (enable) set vlan 998 name TrCRF_998 type trcrf decring 10 parent 999
Vlan 998 configuration successful
Console> (enable) show vlan 998
VLAN Name Status IfIndex Mod/Ports, Vlans
---- -------------------------------- --------- ------- ------------------------
998 TrCRF_998 active 352
VLAN Type SAID MTU Parent RingNo BrdgNo Stp BrdgMode Trans1 Trans2
---- ----- ---------- ----- ------ ------ ------ ---- -------- ------ ------
998 trcrf 100998 4472 999 0xa - - srb 0 0
VLAN AREHops STEHops Backup CRF
---- ------- ------- ----------
998 7 7 off
Console> (enable)
To modify the VLAN parameters on an existing Token Ring TrCRF VLAN, perform this task in
privileged mode:
To create a backup TrCRF, assign one port on each switch that the TrBRF traverses to the backup TrCRF.
To configure a TrCRF VLAN as a backup TrCRF, perform this task in privileged mode:
Task Command
Step 1
Create a new Token Ring TrCRF-type VLAN. set vlan vlan [name name] type trcrf [said said]
[mtu mtu] {ring hex_ringber | decring
decimal_ringber} parent vlan
Step 2
Verify the VLAN configuration. show vlan [vlan]
Task Command
Step 1
Modify an existing Token Ring TrCRF
VLAN.
set vlan vlan [name name] [state {active | suspend}] [said
said] [mtu mtu] [ring hex_ring] [decring decimal_ring]
[bridge bridge] [parent vlan]
Step 2
Verify the VLAN configuration. show vlan [vlan]
Task Command
Step 1
Configure a TrCRF VLAN as a backup TrCRF. set vlan vlan backupcrf on
Step 2
Verify the VLAN configuration. show vlan [vlan]
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