Re: pinging across an MPLS cloud (PE-PE) not working

What do you see when running a ping while running a debug ip packet detail?
On Jun 17, 2011 7:43 PM, "Jules Eyabane" <jep7619_at_gmail.com> wrote:
> i have the following setup:
>
> R1----R2---R3---R4---R5
>
> R1 and R5 are CE routers
> R2 and R4 are PE routers
> R3 is a P router
>
> i have OSPF running as the underlining IGP between R2, R3 and R4, then i
> have MP-BGP running between the 2 PEs (R2 and R4)
> CE R1 uses EIGRP as the routing protocol of choice with PE R2, and CE R5
> uses RIP to talk to PE R4.
> LDP configured across R2, R3 and R4.
> Single VRF called HOME on both PEs.
> Routes are propagating across the PEs fine, but when from R1 between R5
> (sourcing from known ip to the remote end), it fails. So i moved closer
and
> attempted ping between R2 and R4. fails too.
> On R2, R4's loopback (4.4.4.4) is listed as the next hop to all routes
> beyond it. But recursive lookup on 4.4.4.4 from R2's VRF CEF and LFIB
tables
> fail
>
> Any suggestions would be appreciated!!!
>
> Some outputs below:
>
> R2-PE#sho ip bgp vpnv4 all
> BGP table version is 67, local router ID is 2.2.2.2
> Status codes: s suppressed, d damped, h history, * valid, > best, i -
> internal,
> r RIB-failure, S Stale
> Origin codes: i - IGP, e - EGP, ? - incomplete
>
> Network Next Hop Metric LocPrf Weight Path
> Route Distinguisher: 12:0 (default for vrf HOME)
> *> 1.0.0.0 10.1.12.1 409600 32768 ?
> *>i5.0.0.0 4.4.4.4 5 100 0 ?
> *> 10.1.12.0/24 0.0.0.0 0 32768 ?
> *>i10.1.45.0/24 4.4.4.4 0 100 0 ?
> *> 11.0.0.0 10.1.12.1 409600 32768 ?
> *> 22.0.0.0 0.0.0.0 0 32768 ?
> *>i44.0.0.0 4.4.4.4 0 100 0 ?
> *>i55.0.0.0 4.4.4.4 5 100 0 ?
> R2-PE#sho mpls ld
> R2-PE#sho mpls ldp bin
> R2-PE#sho mpls ldp bindings
> tib entry: 2.0.0.0/8, rev 6
> local binding: tag: imp-null
> tib entry: 2.2.2.2/32, rev 17
> remote binding: tsr: 3.3.3.3:0, tag: 301
> tib entry: 3.0.0.0/8, rev 15
> remote binding: tsr: 3.3.3.3:0, tag: imp-null
> tib entry: 3.3.3.3/32, rev 12
> local binding: tag: 201
> tib entry: 4.4.4.4/32, rev 10
> local binding: tag: 200
> remote binding: tsr: 3.3.3.3:0, tag: 300
> tib entry: 10.1.23.0/24, rev 4
> local binding: tag: imp-null
> remote binding: tsr: 3.3.3.3:0, tag: imp-null
> tib entry: 10.1.34.0/24, rev 14
> local binding: tag: 202
> remote binding: tsr: 3.3.3.3:0, tag: imp-null
> tib entry: 33.0.0.0/8, rev 16
> remote binding: tsr: 3.3.3.3:0, tag: imp-null
> R2-PE#sho mpls
> R2-PE#sho mpls for
> R2-PE#sho mpls forwarding-table
> Local Outgoing Prefix Bytes tag Outgoing Next Hop
> tag tag or VC or Tunnel Id switched interface
> 200 300 4.4.4.4/32 0 Se0/0 point2point
> 201 Untagged 3.3.3.3/32 0 Se0/0 point2point
> 202 Pop tag 10.1.34.0/24 0 Se0/0 point2point
> 204 Aggregate 22.0.0.0/8[V] 0
> 205 Aggregate 10.1.12.0/24[V] 0
> 207 Untagged 1.0.0.0/8[V] 0 Fa0/0 10.1.12.1
> 208 Untagged 11.0.0.0/8[V] 0 Fa0/0 10.1.12.1
> R2-PE#sho ip route vr
> R2-PE#sho ip route vrf HOME
>
> Routing Table: HOME
> 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
>
> D 1.0.0.0/8 [90/409600] via 10.1.12.1, 01:39:24, FastEthernet0/0
> B 55.0.0.0/8 [200/5] via 4.4.4.4, 00:34:25
> B 5.0.0.0/8 [200/5] via 4.4.4.4, 00:34:25
> C 22.0.0.0/8 is directly connected, Loopback11
> 10.0.0.0/24 is subnetted, 2 subnets
> C 10.1.12.0 is directly connected, FastEthernet0/0
> B 10.1.45.0 [200/0] via 4.4.4.4, 00:34:25
> D 11.0.0.0/8 [90/409600] via 10.1.12.1, 01:39:25, FastEthernet0/0
> B 44.0.0.0/8 [200/0] via 4.4.4.4, 00:34:25
> R2-PE#sho ip int brief
> Interface IP-Address OK? Method Status
> Protocol
> FastEthernet0/0 10.1.12.2 YES manual up
> up
> Serial0/0 10.1.23.2 YES NVRAM up
> up
> FastEthernet0/1 unassigned YES NVRAM administratively down
> down
> Serial0/1 unassigned YES NVRAM administratively down
> down
> Loopback0 2.2.2.2 YES NVRAM up
> up
> Loopback11 22.2.2.2 YES manual up
> up
> R2-PE#ping vr
> R2-PE#ping vrf HOME 10.1.45.4 sou
> R2-PE#ping vrf HOME 10.1.45.4 source loo11
>
> Type escape sequence to abort.
> Sending 5, 100-byte ICMP Echos to 10.1.45.4, timeout is 2 seconds:
> Packet sent with a source address of 22.2.2.2
> .....
> Success rate is 0 percent (0/5)
>
> ======================
> R2's config below
>
> hostname R2-PE
> !
> boot-start-marker
> boot-end-marker
> !
> !
> no aaa new-model
> memory-size iomem 5
> ip cef
> !
> ip vrf HOME
> rd 12:0
> route-target export 24:24
> route-target import 42:42
> !
> no ip domain lookup
> !
> mpls label range 200 299
> mpls label protocol ldp
> multilink bundle-name authenticated
> !
> !!
> !
> archive
> log config
> hidekeys
> !
> !
> interface Loopback0
> ip address 2.2.2.2 255.0.0.0
> !
> interface Loopback11
> ip vrf forwarding HOME
> ip address 22.2.2.2 255.0.0.0
> !
> interface FastEthernet0/0
> ip vrf forwarding HOME
> ip address 10.1.12.2 255.255.255.0
> duplex auto
> speed auto
> !
> interface Serial0/0
> ip address 10.1.23.2 255.255.255.0
> mpls ip
> clock rate 2000000
> !
> interface FastEthernet0/1
> no ip address
> shutdown
> duplex auto
> speed auto
> !
> interface Serial0/1
> no ip address
> shutdown
> clock rate 2000000
> !
> router eigrp 22
> no auto-summary
> !
> address-family ipv4 vrf HOME
> redistribute bgp 6500 metric 1 1 1 1 1
> network 10.1.12.0 0.0.0.255
> network 22.2.2.0 0.0.0.255
> no auto-summary
> autonomous-system 12
> eigrp router-id 2.2.2.2
> exit-address-family
> eigrp router-id 2.2.2.2
> !
> router ospf 1
> router-id 2.2.2.2
> log-adjacency-changes
> network 2.2.2.2 0.0.0.0 area 0
> network 10.1.23.0 0.0.0.255 area 0
> !
> router bgp 6500
> no bgp default ipv4-unicast
> bgp log-neighbor-changes
> neighbor 4.4.4.4 remote-as 6500
> neighbor 4.4.4.4 update-source Loopback0
> !
> address-family vpnv4
> neighbor 4.4.4.4 activate
> neighbor 4.4.4.4 send-community both
> exit-address-family
> !
> address-family ipv4 vrf HOME
> redistribute eigrp 12
> no synchronization
> exit-address-family
> !
> ip forward-protocol nd
> !
> !
> ip http server
> no ip http secure-server
> !
> access-list 1 permit 4.4.4.4
> !
> !!
> mpls ldp router-id Loopback0
> !
>
>
>
> =======================
> R4's config below
> hostname R4-PE
> !
> boot-start-marker
> boot-end-marker
> !
> !
> no aaa new-model
> memory-size iomem 5
> ip cef
> !
> ip vrf HOME
> rd 12:0
> route-target export 42:42
> route-target import 24:24
> !
> no ip domain lookup
> !
> mpls label range 400 499
> mpls label protocol ldp
> multilink bundle-name authenticated
> !
>
> archive
> log config
> hidekeys
> !
>
> interface Loopback0
> ip address 4.4.4.4 255.0.0.0
> !
> interface Loopback11
> ip vrf forwarding HOME
> ip address 44.4.4.4 255.0.0.0
> !
> interface FastEthernet0/0
> ip vrf forwarding HOME
> ip address 10.1.45.4 255.255.255.0
> duplex auto
> speed auto
> !
> interface Serial0/0
> no ip address
> shutdown
> clock rate 2000000
> !
> interface FastEthernet0/1
> no ip address
> shutdown
> duplex auto
> speed auto
> !
> interface Serial0/1
> ip address 10.1.34.4 255.255.255.0
> mpls ip
> clock rate 2000000
> !
> router ospf 1
> router-id 4.4.4.4
> log-adjacency-changes
> network 4.4.4.4 0.0.0.0 area 0
> network 10.1.34.0 0.0.0.255 area 0
> !
> router ospf 4
> router-id 10.1.45.4
> log-adjacency-changes
> network 10.1.45.0 0.0.0.255 area 45
> !
> router rip
> version 2
> passive-interface default
> no passive-interface FastEthernet0/0
> no passive-interface Loopback0
> no auto-summary
> !
> address-family ipv4 vrf HOME
> redistribute bgp 6500 metric 5
> network 4.0.0.0
> network 10.0.0.0
> network 44.0.0.0
> no auto-summary
> version 2
> exit-address-family
> !
> router bgp 6500
> no bgp default ipv4-unicast
> bgp log-neighbor-changes
> neighbor 2.2.2.2 remote-as 6500
> neighbor 2.2.2.2 update-source Loopback0
> !
> address-family vpnv4
> neighbor 2.2.2.2 activate
> neighbor 2.2.2.2 send-community both
> exit-address-family
> !
> address-family ipv4 vrf HOME
> redistribute rip metric 5
> no synchronization
> exit-address-family
>
>
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Received on Fri Jun 17 2011 - 19:54:46 ART