Re: mpls vpn question

thanks guys. it worked after i hard set the Router ID's in OSPF and BGP.
rookie mistake. thanks for the help!

On Tue, Oct 13, 2009 at 8:24 AM, Anantha Subramanian Natarajan <
anantha.natarajan_at_gravitant.com> wrote:

> Hi J R Garcia,
>
> If your platform supports,in order for troubleshooting you may use the
> mpls traceroute feature similiar as below ,it may give some idea.
>
> router#traceroute mpls ipv4 10.250.16.250 255.255.255.255
> Tracing MPLS Label Switched Path to 10.250.16.250/32, timeout is 2 seconds
> Codes: '!' - success, 'Q' - request not transmitted,
> '.' - timeout, 'U' - unreachable,
> 'R' - downstream router but not target,
> 'M' - malformed request
> Type escape sequence to abort.
> 0 10.236.2.65 MRU 4474 [Labels: implicit-null Exp: 0]
> ! 1 10.236.2.66 14 ms
>
> Thanks
>
> Regards
> Anantha Subramanian Natarajan
>
> 2009/10/13 Antonio Soares <amsoares_at_netcabo.pt>
>
>> I would bet on CEF being disabled on the P router :)
>>
>>
>> Regards,
>>
>> Antonio Soares, CCIE #18473 (R&S)
>> amsoares_at_netcabo.pt
>>
>> -----Original Message-----
>> From: nobody_at_groupstudy.com [mailto:nobody_at_groupstudy.com] On Behalf Of
>> Scott Morris
>> Sent: terga-feira, 13 de Outubro de 2009 1:10
>> To: JR Garcia
>> Cc: Nicolas Leiva; ccielab_at_groupstudy.com
>> Subject: 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
>>
>> evil_at_ine.com
>>
>>
>> Internetwork Expert, Inc.
>>
>> http://www.InternetworkExpert.com <http://www.internetworkexpert.com/>
>>
>> Toll Free: 877-224-8987
>>
>> Outside US: 775-826-4344
>>
>>
>> Knowledge is power.
>>
>> Power corrupts.
>>
>> Study hard and be Eeeeviiiil......
>>
>>
>> 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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Received on Tue Oct 13 2009 - 08:48:55 ART