Specifying The Link Type To Ensure Rapid Transitions; Configuring The Maximum-Aging Time; Configuring The Maximum-Hop Count - Cisco 7604 Configuration Manual
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Configuring MST
Configuring the Maximum-Aging Time
To configure the maximum-aging time for all MST instances, perform this task:
Command
Step 1
Router# configure terminal
Step 2
Router(config)# spanning-tree mst max-age seconds
Step 3
Router(config)# end
Step 4
Router# show spanning-tree mst
Step 5
Router# copy running-config startup-config
To return the router to its default setting, use the no spanning-tree mst max-age global configuration
command.
Configuring the Maximum-Hop Count
To configure the maximum-hop count for all MST instances, perform this task:
Command
Step 1
Router# configure terminal
Step 2
Router(config)# spanning-tree mst max-hops
hop_count
Step 3
Router(config)# end
Step 4
Router# show spanning-tree mst
Step 5
Router# copy running-config startup-config
To return the router to its default setting, use the no spanning-tree mst max-hops global configuration
command.
Specifying the Link Type to Ensure Rapid Transitions
If you connect a port to another port through a point-to-point link and the local port becomes a
designated port, the RSTP negotiates a rapid transition with the other port by using the
proposal-agreement handshake to ensure a loop-free topology as described in the
section on page
Cisco 7600 Series Router Cisco IOS Software Configuration Guide, Release 12.2SX
19-26
19-11.
Chapter 19
Configuring Standard-Compliant IEEE MST
Purpose
Enters global configuration mode.
(Optional) Configures the maximum-aging time for all
MST instances. The maximum-aging time is the number
of seconds a router waits without receiving spanning-tree
configuration messages before attempting a
reconfiguration.
For seconds, the range is 6 to 40; the default is 20.
Returns to privileged EXEC mode.
Verifies your entries.
(Optional) Saves your entries in the configuration file.
Purpose
Enters global configuration mode.
(Optional) Specifies the number of hops in a region
before the BPDU is discarded, and the information held
for a port is aged.
For hop_count, the range is 1 to 255; the default is 20.
Returns to privileged EXEC mode.
Verifies your entries.
(Optional) Saves your entries in the configuration file.
"Rapid Convergence"
OL-4266-08
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