From: Saketh R (saketh2083@gmail.com)
Date: Wed Mar 11 2009 - 03:57:36 ARST
Hi all,
I have the following topology...
I have 2 Fast Etheret ports (Fa1 and Fa2 ) which are connected (looped) . I
have Fa1 on Vlan 10 and Fa2 on Vlan 20 . When I check the Show spanning tree
it shows that both ports are in Fwd State . To my understanding BPDU on
access ports do not exchange Vlan information. If thats the case one of the
port should be in Blocking state . I tried on a non cisco switch with same
scenario and I see one port is in Blocking state .
How does switch BPDU knows the ports are in different Vlans and puts in
different Vlans.
Thanks in advance!!
Saketh
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