From: Pankaj
Date: Wed Aug 04 2004 - 12:35:50 GMT-3
Hello
Wondering if anyone can help.
Topology is
Sw1 ------ Sw2
Vtp pruing is enabled globally on each switch.
Vlan 8 is locally assigned on Sw2 , Vlan 8 is not locally defined via access port or locally on sw1
Question asks for vlan 8 not to be pruned to sw1 , hence sw1 will recieve all vlan 8 traffic
Answer in solution guide is
on Sw1
int fas 0/13
sw trunk encap dot1q
sw trunk prun vlan 2-7, 9-1001
sw mo trunk
On sw 2
int fas 0/13
sw trunk encap dot1q
sw mo trunk
Im confused with this answer, i would have though the pruning exemtion would be configured on sw2, not sw1
This is my logic :
From my understanding, in order for sw1 to receive traffic for vlan 8 , we need to prevent this from being pruned at sw2 to sw1
If Sw2 does not prune the vlan ( ie through the command switchport trunk pruning ' ) command, Sw1 will receive traffic for this vlan
As a result, Since Sw1 does not have a vlan assigned locally or via an access-port , it will not receive traffic from fas 0/14 - 15 , but will receive it from fas 0/13. , due to pruning enabled globally on Sw2
can someone help/clarify.
Thanks
Pankaj
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