Enters the Global Configuration mode.
Step 2 spanning-tree pvrst protocol-instance-name
Example:
RP/0/RSP0/CPU0:router(config)# spanning-tree pvrst stp
Enters the PVRST configuration submode.
Step 3 apply-group group_name group_name
Example:
RP/0/RSP0/CPU0:router(config-pvrst)# apply-group groupA groupB
Allows you to apply configuration from one group to another.
Step 4 forward-delay seconds
Example:
RP/0/RSP0/CPU0:router(config-pvrst)# forward-delay 10
Allows you to configure bridge forward delay time in seconds.
The forward delay is the number of seconds a port waits before changing from its spanning-tree learning and listening
states to the forwarding state. The delay time range is from 4 to 30.
Step 5 maximum age seconds
Example:
RP/0/RSP0/CPU0:router(config-pvrst)# maximum age 10
Specifies maximum age for the bridge in seconds.
The maximum-aging time is the number of seconds a switch waits without receiving spanning-tree configuration messages
before attempting a reconfiguration. The maximum age range is from 6 to 40 seconds.
Step 6 transmit hold-count count
Example:
RP/0/RSP0/CPU0:router(config-pvrst)# transmit hold-count 4
Allows you to configure bridge transmit hold count. The hold count range is from 1 to 10.
Step 7 vlan vlan_id
Example:
RP/0/RSP0/CPU0:router(config-pvrst)#
Allows you to configure PVRST on a VLAN. The VLAN ID range is from 1 to 4094.
L2VPN and Ethernet Services Configuration Guide for Cisco ASR 9000 Series Routers, IOS XR Release 6.3.x
448
Implementing Multiple Spanning Tree Protocol
Configuring PVRST
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