Hi.. I read CISCO BCMSN book.. it said that modifying the spanning tree dia
(network diameter) will correcly modify the timer (eg Max age, hello,
forward delay). But I don't understand how "dia" can modify it? Based on
what conditions?
>From the show spantree output as shown below from 2900..and based on their
hello and max age how do I know its "dia"? What is the defination of dia?
If I have a network, how to determine the "dia" I should set for the dia??
Cat29-L8-2>sh spantree
Spanning tree 1 is executing the IEEE compatible Spanning Tree protocol
Bridge Identifier has priority 32768, address 00d0.58b0.6280
Configured hello time 2, max age 20, forward delay 15
Current root has priority 8192, address 00d0.063e.0c00
Root port is 13, cost of root path is 19
Topology change flag not set, detected flag not set, changes 3579
Times: hold 1, topology change 35, notification 1
hello 1, max age 6, forward delay 4
Timers: hello 0, topology change 0, notification 0
2)How to show the "last topology change" info in 2900 and 5500? The show
spantree output above didnot show that info.
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