802.1q VLAN tagging

From: Marco Greene \(ML\) (mweg@sympatico.ca)
Date: Tue Nov 29 2005 - 15:42:55 EST


Hi all,

I have a curious problem. I installed a CE card (ce1) and configured it to
use three different VLANs. 247,248,249. All of the 249 stuff seemed to
work; however, the communications to the other VLANs did not. ifconfig
reveals

ce249001
ce248001
ce247001

all configured with the proper IP addresses, gateways and subnet masks.

>From a switch perspective...they are CISCO 3500 series switches (5 of them).
The trunk ports have been setup for 802.1q between the switches and the
ports for this sun server is also setup as a 802.1q trunk. I also have a
Windows box which also was setup for VLAN tagging and it seemed to work OK
across all three VLANs. So I am pretty sure that my switch configuration is
setup properly. (Not 100% sure but pretty sure).

Because we were making the change to a production environment, I needed to
rollback the changes. I am going to try again in a few weeks but I would
like to armed with a little more information than the one pager that sun
provides with their documentation.

Any thoughts and will summarize.

Marco
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