Re: MPLS Problem

Hey Dan
i am running OSPF on R! ,R2 and R3 and i have given
ip ospf net point-to-point
After giving this command it will work or else i should remove it to run
properly

We should advertise it correctly or we should advertise it as /32 mask

On Mon, Dec 20, 2010 at 3:01 PM, Dan Shechter <danshtr_at_gmail.com> wrote:

> Assuming you are running OSPF between R1,R2 and R3, your Lo0 are not /32
> but OSPF will advertise them as /32.
>
> So now you will have mismatch between the routing table, with /32 and the
> LDP advertisements, which are with the original network mask of the Lo0.
>
> *show mpls forwarding-table* command will show you that you don't have
> label for the other PE Lo0 interface.
>
>
> HTH,
> Dan #13685 (RS/Sec/SP)
> The CCIE troubleshooting blog: http://dans-net.com
>
>
>
> On Mon, Dec 20, 2010 at 10:17 AM, HEMANTH RAJ <hemanthrj_at_gmail.com> wrote:
>
>> Hey This is my topoogy
>>
>>
>> R1--------------------------R2-----------------------------R3
>> | |
>> | |
>> | |
>> R4 R5
>>
>>
>> R1 an R3 is my PE and R4 and R5 are my customers I am forming MPBGP
>> between
>> R1 and R3 and all routes are exchanged between R4 and R5
>> and all my imports r working fine
>> but i am getting this following error
>>
>> %BGP-4-VPNV4NH_MASK: Nexthop 3.3.3.3 may not be reachable from neigbor
>> 1.1.1.1 -^ not /32 mask
>>
>> but all my ldp neighbourships are up
>> and i had done sh ip mpls ldp discovery det
>> everythin is fine i can able to ping my transport address
>> All the routes of R5 are in R4 and R1 routing table
>>
>> but R4 cannot ping R4 and also R1 cannot ping R5
>>
>> Pls anyone help
>>
>>
>> --
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>>
>> Yours Friendly,
>> HP HEMANTH RAJ
>> Cisco Systems Inc.
>>
>>
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>>
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>>
>>
>>
>>
>>
>>
>>
>

-- 
Problems arise because we talk,problems are not solved because we don't talk
So good or bad talk to your affectionate one's freely.
Yours Friendly,
HP HEMANTH RAJ
Cisco Systems Inc.
Blogs and organic groups at http://www.ccie.net