The MPLS-OPS Archive[Date Prev][Date Next][Thread Prev][Thread Next] [Date Index][Thread Index][Author Index][Subject Index] Re: tag switching over Frame Relay (solved)
Hi... The problem was due to bug CSCdw71445.When u use 7500 series router as a frame-relay switch, it will drop MPLS packet. THanks to all who has responded. Eng Wee --- CEW CEW <cewsg@yahoo.com> wrote: > yes, CEF is enabled and sh ip cef 5.5.5.5 shows that > a label was imposed. > > tried 12.2.7(b) service provider train, still same > problem. > > > --- Marcelo Blanes <mblanes@larc.usp.br> wrote: > > Is cef enabled and labels in cef table ok? > marcelo. > > > > On Wed, 27 Mar 2002, CEW CEW wrote: > > > > > > > > Hi... > > > > > > Has anyone ever encounter problem with > > tag-switching > > > over frame relay using 12.1.5T12 and 12.1.5T10 > > with > > > 3600 and 7200 platform ? > > > > > > Below is my problem > > > > > > [r1]----FR-----[r2]-----[r5] > > > > > > r1 trying to reach r5 (5.5.5.5) loopback > > > > > > THe control plane and forwarding plane looks OK, > > but > > > the ping just couldn't get through. Removing tag > > > switching at r1, ping is OK. > > > > > > Below some show output. Pls see comments in > ###### > > > > > > Thanks in advance. > > > > > > THanks > > > Eng Wee > > > > > > > > > > > > r1-3640#i > > > Codes: C - connected, S - static, I - IGRP, 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, E - EGP > > > i - IS-IS, 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 > > > C 1.1.1.1 is directly connected, Loopback0 > > > 2.0.0.0/32 is subnetted, 1 subnets > > > i L2 2.2.2.2 [115/20] via 10.10.123.2, > > Serial2/0 > > > 4.0.0.0/32 is subnetted, 1 subnets > > > i L2 4.4.4.4 [115/20] via 10.10.14.4, > Serial2/2 > > > 5.0.0.0/32 is subnetted, 1 subnets > > > i L2 5.5.5.5 [115/30] via 10.10.123.2, > > Serial2/0 > > > 10.0.0.0/24 is subnetted, 3 subnets > > > C 10.10.14.0 is directly connected, > > Serial2/2 > > > i L2 10.10.25.0 [115/20] via 10.10.123.2, > > Serial2/0 > > > C 10.10.123.0 is directly connected, > > Serial2/0 > > > > > > ##### r1 is able to reach 5.5.5.5 via s2/0 > > > > > > > > > > > > r1-3640#sh tag-switching tdp dis > > > Local TDP Identifier: > > > 1.1.1.1:0 > > > TDP Discovery Sources: > > > Interfaces: > > > Serial2/0: xmit/recv > > > TDP Id: 2.2.2.2:0 > > > Serial2/2: xmit/recv > > > TDP Id: 4.4.4.4:0 > > > ##### tag-switching neighbor is OK > > > > > > > > > r1-3640#sh tag-switching forwarding-table > > > Local Outgoing Prefix Bytes tag > > > Outgoing Next Hop > > > tag tag or VC or Tunnel Id switched > > > interface > > > 16 Pop tag 2.2.2.2/32 0 > > Se2/0 > > > 10.10.123.2 > > > 18 18 5.5.5.5/32 0 > > Se2/0 > > > 10.10.123.2 > > > 19 Pop tag 10.10.25.0/24 0 > > Se2/0 > > > 10.10.123.2 > > > 20 Pop tag 4.4.4.4/32 0 > > Se2/2 > > > point2point > > > r1-3640# > > > > > > #### tag-switching forwarding table for 5.5.5.5 > > > is ok, with local label 18, outgoing label 18 > > > > > > > > > > > > r1-3640#sh tag tdp bin 5.5.5.5 32 > > > tib entry: 5.5.5.5/32, rev 45 > > > local binding: tag: 18 > > > remote binding: tsr: 2.2.2.2:0, tag: 18 > > > remote binding: tsr: 4.4.4.4:0, tag: 31 > > > ##### LIB looks good as well, r1 uses the > > > label distributed from r2(2.2.2.2)=18 > > > > > > > > > > > > r2-7206#i > > > Codes: C - connected, S - static, I - IGRP, 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, E - EGP > > > i - IS-IS, 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 > > > i L2 1.1.1.1 [115/20] via 10.10.123.1, > > Serial3/0.1 > > > 2.0.0.0/32 is subnetted, 1 subnets > > > C 2.2.2.2 is directly connected, Loopback0 > > > 4.0.0.0/32 is subnetted, 1 subnets > > > i L2 4.4.4.4 [115/30] via 10.10.123.1, > > Serial3/0.1 > > > 5.0.0.0/32 is subnetted, 1 subnets > > > i L2 5.5.5.5 [115/20] via 10.10.25.5, > Serial3/1 > > > 10.0.0.0/24 is subnetted, 3 subnets > > > i L2 10.10.14.0 [115/20] via 10.10.123.1, > > > Serial3/0.1 > > > C 10.10.25.0 is directly connected, > > Serial3/1 > > > C 10.10.123.0 is directly connected, > > Serial3/0.1 > > > > > > ###### r2 can reach 5.5.5.5 via s3/1 > > > > > > > > > r2-7206#sh tag-switching forwarding-table > > > Local Outgoing Prefix Bytes tag > > > Outgoing Next Hop > > > tag tag or VC or Tunnel Id switched > > > interface > > > 16 Pop tag 1.1.1.1/32 2726 > > > Se3/0.1 10.10.123.1 > > > 18 Pop tag 5.5.5.5/32 0 > > Se3/1 > > > point2point > > > 19 Pop tag 10.10.14.0/24 0 > > > Se3/0.1 10.10.123.1 > > > 20 20 4.4.4.4/32 0 > > > Se3/0.1 10.10.123.1 > > > > > > ##### LFIB at r2 looks OK, 5.5.5.5 has an > > incoming > > > label of 18 and outgoing label of POP. > > > > > > > > > r2-7206#sh tag-switching tdp bindings 5.5.5.5 32 > > > tib entry: 5.5.5.5/32, rev 8 > > > local binding: tag: 18 > === message truncated === __________________________________________________ Do You Yahoo!? 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