04-17-2008 12:16 PM - edited 03-05-2019 10:27 PM
in a switched network? I have a total of 5 switches which are connectec by crossover cable from one to the next. A packet sent from the first switch to the last will go thru 5 switches to get to its destination. Is this "legal"? What is the max amount of hops in this situation?
Thanks,
Diego
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04-17-2008 12:20 PM
Hi Diego,
Cisco recommends no more than 7 switch hops so the spanning-tree algorithm has enough time to converge.
You know some time is needed for the BPDU's to be propagated accross the network.
The spanning-tree default timers are set for 7 hops:
max-age time: 20 sec
forward delay time: 15 sec
hello time: 2 sec
Cheers:
Istvan
04-17-2008 12:21 PM
Diego
There is no "legal" limit as such. But the recommended maximum diameter ie. how many hops you should have is 7.
Jon
04-17-2008 12:20 PM
Hi Diego,
Cisco recommends no more than 7 switch hops so the spanning-tree algorithm has enough time to converge.
You know some time is needed for the BPDU's to be propagated accross the network.
The spanning-tree default timers are set for 7 hops:
max-age time: 20 sec
forward delay time: 15 sec
hello time: 2 sec
Cheers:
Istvan
04-17-2008 12:21 PM
Diego
There is no "legal" limit as such. But the recommended maximum diameter ie. how many hops you should have is 7.
Jon
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