3550 - SVI's

From: Tim Last (packtmon@yahoo.com)
Date: Thu Apr 15 2004 - 11:55:21 GMT-3

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Hi all,

According to the 3550 documentation, http://www.cisco.com/univercd/cc/td/doc/product/lan/c3550/12119ea1/3550scg/swint.htm#1115763

an SVI doesn't become active until it is associated with a PHYSICAL PORT.

Does a trunk qualify as a physical port?

Here's an example. Both SW1 & SW2 are runing RIP & both SVI's configured as follows:

SW1 has int vlan 3, ip addr x.x.x.1/24 and Fa0/3 is in vlan 3
SW2 has int vlan 3, ip addr x.x.x.2/24 but no Fa ports are explicitly assigned to vlan, however, the trunk allows vlan 3 traffic.
R3 has int E0, ip addr x.x.x.3/24

R3 e0 -----------Fa 0/3 SW1 ---trunk----- SW2

So, can R3 ping SW2's int vlan 3 ?

I can't try this with the equipment I have.

Thanks in advance. Any feedback is highly appreciated. Tim

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