Hi,
I am doing lab on GNS and having a very simple scenario, but i am stuck somewhere...
lab diag is attached....
in MPLS clous OSPF is the IGP used... CE is communicated to PE through static routing.
Problem : unable to ping LAN of R1 through R4(PE) even though getting routes via MPBGP
172.16.1.1/24 is connected to R2 and 192.168.1.1/24 is connected to R1
At R4
Router#sh ip bgp all
For address family: VPNv4 Unicast
BGP table version is 9, local router ID is 4.4.4.4
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: 100:1 (default for vrf ABC)
*>i10.1.1.0/24 3.3.3.3 0 100 0 ?
*> 10.1.4.0/24 0.0.0.0 0 32768 ?
*> 172.16.1.0/24 10.1.4.2 0 32768 ? (Lan of attached CE R2)
*>i192.168.1.0 3.3.3.3 0 100 0 ?( LAN of remote end CER1---connected to PE R3)
Router#sh ip route vrf ABC
Routing Table: ABC
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
172.16.0.0/24 is subnetted, 1 subnets
S 172.16.1.0 [1/0] via 10.1.4.2
10.0.0.0/24 is subnetted, 2 subnets
B 10.1.1.0 [200/0] via 3.3.3.3, 01:11:25
C 10.1.4.0 is directly connected, FastEthernet0/1
B 192.168.1.0/24 [200/0] via 3.3.3.3, 01:57:10 ----- route of other end CE R1 via R3-PE
Router#sh mpls for
Local Outgoing Prefix Bytes tag Outgoing Next Hop
tag tag or VC or Tunnel Id switched interface
16 Untagged 10.1.3.0/24 0 Fa0/0 10.1.2.3
17 Untagged 5.5.5.5/32 0 Fa0/0 10.1.2.3
18 Aggregate 10.1.4.0/24[V] 0
19 Untagged 172.16.1.0/24[V] 0 Fa0/1 10.1.4.2
20 Untagged 3.3.3.3/32 0 Fa0/0 10.1.2.3
Router#
Similarly at R3....
Router#sh ip bgp all
For address family: VPNv4 Unicast
BGP table version is 15, local router ID is 3.3.3.3
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: 100:1 (default for vrf ABC)
*> 10.1.1.0/24 0.0.0.0 0 32768 ?
*>i10.1.4.0/24 4.4.4.4 0 100 0 ?
*>i172.16.1.0/24 4.4.4.4 0 100 0 ?
*> 192.168.1.0 10.1.1.2 0 32768 ?
Router#
Router#sh mpls for
Local Outgoing Prefix Bytes tag Outgoing Next Hop
tag tag or VC or Tunnel Id switched interface
16 Untagged 10.1.2.0/24 0 Fa0/1 10.1.3.2
17 Untagged 192.168.1.0/24[V] 0 Fa0/0 10.1.1.2
18 Untagged 4.4.4.4/32 0 Fa0/1 10.1.3.2
19 Untagged 5.5.5.5/32 0 Fa0/1 10.1.3.2
20 Aggregate 10.1.1.0/24[V] 0
Router#sh ip route vrf ABC
Routing Table: ABC
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
172.16.0.0/24 is subnetted, 1 subnets
B 172.16.1.0 [200/0] via 4.4.4.4, 00:06:14
10.0.0.0/24 is subnetted, 2 subnets
C 10.1.1.0 is directly connected, FastEthernet0/0
B 10.1.4.0 [200/0] via 4.4.4.4, 00:06:15
S 192.168.1.0/24 [1/0] via 10.1.1.2
Ping responce from R3----
Router#ping vrf ABC 172.16.1.1
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 172.16.1.1, timeout is 2 seconds:
.....
Success rate is 0 percent (0/5)
Router#ping vrf ABC 192.168.1.1
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 192.168.1.1, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 20/36/56 ms
Router#
Please help me....
Thanks
Shashi Mishra
