From: Edwards, Andrew M (andrew.m.edwards@boeing.com)
Date: Thu Dec 09 2004 - 13:24:43 GMT-3
I'm pretty sure that n-802.1q means negotiated.
But then again, I feel pretty sure about a lot of things. 8)
Time to break out my lab.
-----Original Message-----
From: Keane, James [mailto:James.Keane@agriculture.gov.ie]
Sent: Thursday, December 09, 2004 8:12 AM
To: ccielab@groupstudy.com
Subject: 3550 - Default Vlan - Native Vlan & Trunks
I was asked a fairly straightforward question yesterday
quote
'let's say you are only allowed to send odd
VLANs, 3,5,7,9,11, over a trunk, how about the default VLAN ? I think
you cannot disallow the default VLAN 1 unless you set the native VLAN to
something else, is that right ?'
unquote
I responded with sure you cant disable the vlan you are trunking on ..
but I'll just verify that in the lab...
To my astonishment I was able to completely remove vlan 1 from the trunk
while keeping my native vlan as 1..
now the trunk mode on one side reads 'n-802.1q' and '802.1q' on the
other. Not quite sure what the n-802.1q is all about ??!
What is going on ?
One more final thing is buggin me - the default vlan is one and the
native vlan is one - you can change the native ...
... can you change the default ???
I thought I understood this topic (grrrr)
Any light on this would be greatly appreciated
I am going back to practical studies II to revise the basics !!!
Regards,
James Keane
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