RE: HUGE STP VLAN problem

From: muhammad.ebrahim@bt.com
Date: Fri Feb 06 2009 - 05:46:15 ARST


Hi

You are making the port a layer 3 port so I don't think dot1q is going
to work on that port.

 
 
Kind Regards
 
Muhammad Ebrahim | Africa
 

-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
support@ccie.com.au
Sent: Friday, February 06, 2009 9:41 AM
To: ccielab@groupstudy.com
Subject: HUGE STP VLAN problem

Hello people,

Ive been in a cold datacenter for the past 12hrs trying to resolve a
problem with our cat6509-e. the problem is very intersting and i have
never seen anything like it before. i have tryed everything that i know
but still no luck, so i resort to you guys for some help.

the problem is:

when trying to create a routed port "no switcport" then a sub-interface
"int g2/5.207" its all O.K, untill i enter the command encapsulation
dot1q.207" i get the error message "vlan 207 does not available" ....
O.K
fine, when i go to create the vlan by entering conft# vlan 207 then name
it then exit, it says "VLAN(s) not available in Port Manager" !!

so ive tryed changing the internal vlan usage allocation policy and
reload but still the same thing !! ive tryed just about anything but no
luck.. its b een 12 hrs now and i give up..

the "sh spantree" command says "No spanning tree instance exists." !!!
then when i do sh vlan i can see the vlan 207 is there and its active !!
what da !! ???

any suggestions: ???? anyone seen this before on a cat6509 running
12.2(18)SXF7 avanced_ip_services ..??

ive searched all of cisco site and only found this(which did not help)
http://supportwiki.cisco.com/ViewWiki/index.php/The_Cisco_Catalyst_6000/
6500_Series_switch_receives_the_VLAN(s)_not_available_in_Port_Manager_er
ror_message_when_it_attempts_to_create_a_VLAN

steve

thanks

Steve K

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