01-19-2020 06:00 PM
Hello Everyone,
im practising MP-BGP on GNS3 and i configured everything.
PE1 routing table
============
sh ip route vrf co1
Routing Table: co1
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
C 1.1.1.100 is directly connected, Loopback1
100.0.0.0/32 is subnetted, 1 subnets
S 100.100.1.1 [1/0] via 10.10.1.5
10.0.0.0/8 is variably subnetted, 3 subnets, 2 masks
C 10.10.1.4/30 is directly connected, FastEthernet0/0
B 10.2.1.0/24 [200/0] via 2.2.2.2, 00:53:56
B 10.1.1.0/24 [20/0] via 100.100.1.1, 01:12:13
===============
as you can see network 10.2.1.0 is reachable via 2.2.2.2
2.2.2.2 is the ibgp peer
and here is the PE1 general routing table
============
sh ip route
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 10.10.4.2 to network 0.0.0.0
1.0.0.0/32 is subnetted, 1 subnets
C 1.1.1.1 is directly connected, Loopback0
10.0.0.0/30 is subnetted, 5 subnets
i L1 10.10.4.4 [115/20] via 10.10.4.2, FastEthernet0/1
C 10.10.4.0 is directly connected, FastEthernet0/1
i L1 10.10.4.12 [115/40] via 10.10.4.2, FastEthernet0/1
i L1 10.10.4.8 [115/30] via 10.10.4.2, FastEthernet0/1
i L1 10.10.4.16 [115/50] via 10.10.4.2, FastEthernet0/1
i*L1 0.0.0.0/0 [115/40] via 10.10.4.2, FastEthernet0/1
============
im using isis
now 2.2.2.2 is reachable from PE 1
but when i do ping vrf co1 10.2.1.11, which is a pc on the other end its unreachable
although its reachable when i ping it from PE 2
here is the routiing table of PE 2 for vrf co1
===========
sh ip route vrf co1
Routing Table: co1
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
2.0.0.0/32 is subnetted, 1 subnets
C 2.2.1.200 is directly connected, Loopback1
100.0.0.0/32 is subnetted, 1 subnets
S 100.100.1.2 [1/0] via 10.10.2.5
10.0.0.0/8 is variably subnetted, 3 subnets, 2 masks
C 10.10.2.4/30 is directly connected, FastEthernet0/1
B 10.2.1.0/24 [20/0] via 100.100.1.2, 02:05:22
B 10.1.1.0/24 [200/0] via 1.1.1.1, 01:05:18
==============
and here is the general routing table on PE 2
=============
sh ip route
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
i L2 1.1.1.1 [115/70] via 10.10.4.21, FastEthernet1/0
2.0.0.0/32 is subnetted, 1 subnets
C 2.2.2.2 is directly connected, Loopback0
10.0.0.0/30 is subnetted, 7 subnets
i L2 10.10.4.4 [115/50] via 10.10.4.21, FastEthernet1/0
i L2 10.10.4.0 [115/60] via 10.10.4.21, FastEthernet1/0
i L2 10.10.4.12 [115/30] via 10.10.4.21, FastEthernet1/0
i L2 10.10.4.8 [115/40] via 10.10.4.21, FastEthernet1/0
C 10.10.4.20 is directly connected, FastEthernet1/0
i L2 10.10.4.16 [115/20] via 10.10.4.21, FastEthernet1/0
C 10.10.4.24 is directly connected, FastEthernet0/0
============
can somebody tell me whats wrong with it that i can ping that device 10.2.1.11 from PE 1
Thank you in advance
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