Re: HUGE STP VLAN problem

From: Pavel Bykov (slidersv@gmail.com)
Date: Fri Feb 06 2009 - 06:19:12 ARST


Also, here is a link to documentation I was talking about:
http://www.cisco.com/en/US/docs/routers/7600/ios/12.2SR/configuration/guide/p
fc3mpls.html#wp1406020

On Fri, Feb 6, 2009 at 9:01 AM, Pavel Bykov <slidersv@gmail.com> wrote:

> Hello.
> After consulting with the colleague, here is the situation.
> What you are trying to do is called a MUXED UNI, required for EoMPLS
> (basically saving you money for ES20 linecard)
> How it is done is that you do a
>
> interface TenGigabitEthernet2/1
> switchport
> switchport trunk encapsulation dot1q
> switchport trunk allowed vlan 100-200
> switchport mode trunk
>
> interface TenGigabitEthernet2/1.150
> encapsulation dot1Q 150
>
> So, don't forget allowed vlan list.
>
> BUT, this feature is available only in the latest SRC release, as far as I
> know.
> So if you are not configuring MUXED UNI for EoMPLS, do not configure this.
> Use vlans and trunks instead, because creating routed interface creates an
> internal vlan anyway.
>
> I.e.
> interface TenGigabitEthernet2/1.150
> encapsulation dot1Q 150
> ip add 10.0.150.1 255.255.255.0
> interface TenGigabitEthernet2/1.151
> encapsulation dot1Q 151
> ip add 10.0.151.1 255.255.255.0
>
> is exactly same as
>
> interface TenGigabitEthernet2/1
> switch mode trunk
> int vlan 150
> ip add 10.0.150.1 255.255.255.0
> int vlan 151
> ip add 10.0.151.1 255.255.255.0
>
> but first one will not work :)
>
>
>
> On Fri, Feb 6, 2009 at 8:41 AM, <support@ccie.com.au> wrote:
>
>> 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_error_messag
e_when_it_attempts_to_create_a_VLAN<http://supportwiki.cisco.com/ViewWiki/ind
ex.php/The_Cisco_Catalyst_6000/6500_Series_switch_receives_the_VLAN%28s%29_no
t_available_in_Port_Manager_error_message_when_it_attempts_to_create_a_VLAN>
>>
>> steve
>>
>> thanks
>>
>> Steve K
>>
>>
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>>
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>>
>>
>>
>>
>>
>>
>>
>
>
> --
> Pavel Bykov
> ----------------
> Don't forget to help stopping the braindumps, use of which reduces value of
> your certifications. Sign the petition at http://www.stopbraindumps.com/
>

--
Pavel Bykov
----------------
Don't forget to help stopping the braindumps, use of which reduces value of
your certifications. Sign the petition at http://www.stopbraindumps.com/

Blogs and organic groups at http://www.ccie.net



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