From: Guyler, Rik (rguyler@shp-dayton.org)
Date: Tue Sep 25 2007 - 09:13:41 ART
Generally, an SVI will go down if:
1) There are no up/up access ports assigned to that VLAN
2) There are no up/up trunk ports that carry that VLAN
So...if you screwed up one of the key requirements for your 802.1Q trunking,
where do you think your problem might be?
Rik
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Navid Daghighi
Sent: Tuesday, September 25, 2007 5:26 AM
To: Cisco certification
Subject: 3550 why does vlan int go down
Hi,
In this simple example, where I configured a mismatch native vlan :
sw 1 : dot1Q, native vlan = 1
sw 2 : dot1Q, native vlan = 2
SH IP INT BRIEF shows that :
fa0/x stays up/up
vlan1 goes up/down
What is the logic behind this behavior ?
I would have expected the fa0/x to go up/down !
Thanks,
Navid
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