Re: mpls vpn question

Mmmmm... There's your issue. No label, no forwarding. :)

Check your IGP. Routers use Lo0 by default as the RID. Do you have
reachability and is it over the interface you're using to connect?

You may need to look at transport discovery as well...

But "show mpls ldp neighbor detail" may give you some more information
about what's not working well!

Cheers,

*Scott Morris*, CCIE/x4/ (R&S/ISP-Dial/Security/Service Provider) #4713,

JNCIE-M #153, JNCIS-ER, CISSP, et al.

JNCI-M, JNCI-ER

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JR Garcia wrote:
> LDP is enabled. my P router has no entries in the LFIB, but i do see both
> LDP neighbors up.
>
>
> 2009/10/12 Nicolas Leiva <nicolasleiva_at_gmail.com>
>
>
>> You have LDP enabled right?. Did you check the LFIB on every hop?.
>>
>> Nicolas
>> http://ccie-en-espanol.blogspot.com/
>>
>> On Mon, Oct 12, 2009 at 7:35 PM, JR Garcia <ttuner_at_gmail.com> wrote:
>>
>>
>>> topology looks like this: CE-PE-P-PE-CE
>>>
>>> the PE routers run MPBGP/iBGP between them, the P router is only doing
>>> MPLS.
>>>
>>> On the CE/PE routers, i can see the routes from either side, but i am
>>> unable
>>> to pass traffic.
>>>
>>> PE1:
>>>
>>> PE1#sh ip route vrf A
>>>
>>> Routing Table: A
>>> Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP
>>> D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
>>> N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
>>> E1 - OSPF external type 1, E2 - OSPF external type 2
>>> i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS
>>> level-2
>>> ia - IS-IS inter area, * - candidate default, U - per-user static
>>> rout
>>> o - ODR, P - periodic downloaded static route
>>>
>>> Gateway of last resort is not set
>>>
>>> 1.0.0.0/32 is subnetted, 1 subnets
>>> B 1.1.1.1 is directly connected, 00:11:19, Loopback1
>>> C 192.168.1.0/24 is directly connected, FastEthernet0/1
>>> B 192.168.2.0/24 [200/0] via 10.2.2.1, 00:11:34
>>> PE1#ping vrf A 192.168.2.1 source 192.168.1.1
>>>
>>> Type escape sequence to abort.
>>> Sending 5, 100-byte ICMP Echos to 192.168.2.1, timeout is 2 seconds:
>>> Packet sent with a source address of 192.168.1.1
>>> .....
>>> Success rate is 0 percent (0/5)
>>>
>>>
>>> PE2:
>>> PE2#sh ip route vrf B
>>>
>>> Routing Table: B
>>> Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP
>>> D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
>>> N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
>>> E1 - OSPF external type 1, E2 - OSPF external type 2
>>> i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS
>>> level-2
>>> ia - IS-IS inter area, * - candidate default, U - per-user static
>>> route
>>> o - ODR, P - periodic downloaded static route
>>>
>>> Gateway of last resort is not set
>>>
>>> 1.0.0.0/32 is subnetted, 1 subnets
>>> B 1.1.1.1 [200/0] via 10.1.1.1, 00:11:34
>>> B 192.168.1.0/24 [200/0] via 10.1.1.1, 00:11:37
>>> C 192.168.2.0/24 is directly connected, FastEthernet0/1
>>>
>>> PE2#ping vrf B 192.168.1.1 source 192.168.2.1
>>>
>>> Type escape sequence to abort.
>>> Sending 5, 100-byte ICMP Echos to 192.168.1.1, timeout is 2 seconds:
>>> Packet sent with a source address of 192.168.2.1
>>> .....
>>> Success rate is 0 percent (0/5)
>>>
>>>
>>> help?
>>>
>>>
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>>>
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>
>
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>
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Received on Mon Oct 12 2009 - 20:09:32 ART