Re: vpn label understanding required

Yes, that is right.

On Thu, Jun 25, 2009 at 10:25 AM, jack daniels <jckdaniels12_at_gmail.com>wrote:

> Hi,
>
> so it means LFIB lookup is done , which sees [V] VPN label and forwards to
> the appropriarate VRF. so if a router has 200 VRF and each VRF is orignating
> 2 routes so it means 400 UNIQUE LABELS will identify which VRF to forward
> the traffic.
>
> Regards
> J.daniels
>
> On Thu, Jun 25, 2009 at 9:28 PM, Bryan Bartik <bbartik_at_ipexpert.com>wrote:
>
>> Jack,
>>
>> I see what you mean, good question. If you so "show mpls fowarding-table
>> detail" you will see the VPN. I think this would be a function of looking up
>> the label in the LFIB when the prefix is listed with [V].
>>
>>
>> On Thu, Jun 25, 2009 at 9:47 AM, jack daniels <jckdaniels12_at_gmail.com>wrote:
>>
>>> Hi,
>>>
>>> I got that but my querrie still stands - let me put it other way
>>>
>>> ( 1.1.1.0/24)CE1--VRF <http://1.1.1.0/24%29CE1--VRF>K--PE1----P1----PE2----CE2
>>> packet from CE2 reaches PE1 with VPN label , now what will hapen ....
>>> will router say it has stamp of label Y which is for VRF X ?
>>>
>>> Regards
>>>
>>>
>>>
>>> On Thu, Jun 25, 2009 at 8:45 PM, Bryan Bartik <bbartik_at_ipexpert.com>wrote:
>>>
>>>> Jack,
>>>>
>>>> Yes, each prefix learned in the VRF would have a different label. I
>>>> would not associate labels with VRFs, but rather with the prefix learned in
>>>> the VRF. The bottom label corresponds to the egress PE, the inner label
>>>> corresponds to the prefix in the VRF.
>>>>
>>>> On Thu, Jun 25, 2009 at 7:06 AM, jack daniels <jckdaniels12_at_gmail.com
>>>> > wrote:
>>>>
>>>>> Hi group,
>>>>>
>>>>> I have routers
>>>>>
>>>>> ( 1.1.1.0/24)CE1--VRF <http://1.1.1.0/24%29CE1--VRF>K--PE1----P1----PE2----CE2
>>>>>
>>>>> now when pkt is forwarded from CE2 for 1.1.1.0/24 it has VPN label Y.
>>>>> On
>>>>> reaching PE1 it sees label Y = VRF K....
>>>>> so it means that if a router has 2000 vrf on it , so it will asign
>>>>> unique
>>>>> labels per vrf for each prefix to advertise in vrf ?
>>>>>
>>>>> Regards
>>>>> J.Daniels
>>>>>
>>>>>
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>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>
>>>>
>>>> --
>>>> Bryan Bartik
>>>> CCIE #23707 (R&S), CCNP
>>>> Sr. Support Engineer - IPexpert, Inc.
>>>> URL: http://www.IPexpert.com <http://www.ipexpert.com/>
>>>>
>>>
>>>
>>
>>
>> --
>> Bryan Bartik
>> CCIE #23707 (R&S), CCNP
>> Sr. Support Engineer - IPexpert, Inc.
>> URL: http://www.IPexpert.com <http://www.ipexpert.com/>
>>
>
>

-- 
Bryan Bartik
CCIE #23707 (R&S), CCNP
Sr. Support Engineer - IPexpert, Inc.
URL: http://www.IPexpert.com
Blogs and organic groups at http://www.ccie.net