Cisco MPLS Routing Question

Hello Experts,

Can someone please take a look at my configuration and tell me why I can't ping from my loopback address 3.3.3.3 from sybase router to ip address 79.99.192.53 on the dialogic router. However, I can ping from 180.178.79.2 to 79.99.192.53 on sybase.

I have a default route on sybase.

I've tried redistributing the static route into BGP on sybase, but I still can't ping 79.99.192.53.

Below are some of the show commands.

sybase#show 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 180.178.79.1 to network 0.0.0.0

     3.0.0.0/32 is subnetted, 1 subnets
C       3.3.3.3 is directly connected, Loopback0
     172.72.0.0/24 is subnetted, 1 subnets
S       172.72.7.0 is directly connected, Null0
     41.0.0.0/30 is subnetted, 1 subnets
B       41.75.47.252 [20/0] via 180.178.79.1, 00:34:26
     79.0.0.0/8 is variably subnetted, 2 subnets, 2 masks
B       79.99.192.48/28 [20/0] via 180.178.79.1, 00:34:26
S       79.99.196.0/29 is directly connected, Null0
     180.178.0.0/16 is variably subnetted, 2 subnets, 2 masks
C       180.178.79.0/30 is directly connected, FastEthernet0/1
B       180.178.79.0/24 [20/0] via 180.178.79.1, 00:34:22
S*   0.0.0.0/0 [1/0] via 180.178.79.1

__________________________________________________________________________________________

Routing Table: sybase
Codes: L - local, 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, + - replicated route

Gateway of last resort is not set

      3.0.0.0/32 is subnetted, 1 subnets
B        3.3.3.3 [20/0] via 180.178.79.2, 00:00:21
      41.0.0.0/30 is subnetted, 1 subnets
B        41.75.47.252 [200/0] via 5.5.5.5, 00:36:34
      79.0.0.0/8 is variably subnetted, 2 subnets, 2 masks
B        79.99.192.48/28 [200/0] via 5.5.5.5, 00:36:34
B        79.99.196.0/29 [20/0] via 180.178.79.2, 00:00:21
      172.72.0.0/24 is subnetted, 1 subnets
B        172.72.7.0 [20/0] via 180.178.79.2, 00:00:21
      180.178.0.0/16 is variably subnetted, 3 subnets, 3 masks
C        180.178.79.0/24 is directly connected, FastEthernet0/1
B        180.178.79.0/30 [20/0] via 180.178.79.2, 00:00:24
L        180.178.79.1/32 is directly connected, FastEthernet0/1

__________________________________________________________________________________________


london#show ip route vrf veraz

Routing Table: veraz
Codes: L - local, 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, + - replicated route

Gateway of last resort is not set

      3.0.0.0/32 is subnetted, 1 subnets
B        3.3.3.3 [200/0] via 6.6.6.6, 00:00:21
      41.0.0.0/8 is variably subnetted, 2 subnets, 2 masks
C        41.75.47.252/30 is directly connected, Ethernet1/0
L        41.75.47.254/32 is directly connected, Ethernet1/0
      79.0.0.0/8 is variably subnetted, 3 subnets, 3 masks
C        79.99.192.48/28 is directly connected, FastEthernet0/1
L        79.99.192.54/32 is directly connected, FastEthernet0/1
B        79.99.196.0/29 [200/0] via 6.6.6.6, 00:00:21
      172.72.0.0/24 is subnetted, 1 subnets
B        172.72.7.0 [200/0] via 6.6.6.6, 00:00:21
      180.178.0.0/16 is variably subnetted, 2 subnets, 2 masks
B        180.178.79.0/24 [200/0] via 6.6.6.6, 00:37:46
B        180.178.79.0/30 [200/0] via 6.6.6.6, 00:00:23


Your expeditious assistance will be greatly appreciated..

Cheers

Carlton
screenshot.png
17-59-18--dialogic-127.0.0.1-.txt
17-59-33--hongkong-127.0.0.1-.txt
17-59-39--London-127.0.0.1-.txt
17-59-45--sybase-127.0.0.1-.txt
cpatte7372Asked:
Who is Participating?
 
bplantierConnect With a Mentor Commented:
First, your network seems not be working properly because of routing reccursion errors on router Honkong.

*Aug 21 09:42:22.311: RT(sybase): recursion error routing 180.178.79.2 - probable routing loop
*Aug 21 09:42:22.315: RT(sybase): del 3.3.3.3 via 180.178.79.2, bgp metric [20/0]
*Aug 21 09:42:22.319: RT(sybase): delete subnet route to 3.3.3.3/32
*Aug 21 09:42:22.319: RT(sybase): del 79.99.196.0 via 180.178.79.2, bgp metric [20/0]
*Aug 21 09:42:22.323: RT(sybase): delete subnet route to 79.99.196.0/29
*Aug 21 09:42:22.323: RT(sybase): del 172.72.7.0 via 180.178.79.2, bgp metric [20/0]
*Aug 21 09:42:22.327: RT(sybase): delete subnet route to 172.72.7.0/24
*Aug 21 09:42:22.327: RT(sybase): del 180.178.79.0 via 180.178.79.2, bgp metric [20/0]
*Aug 21 09:42:22.331: RT(sybase): delete subnet route to 180.178.79.0/30

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This is because the mask of network 180.178.79.2 are not matching on router sybase and honkhong so the route is looping.


To solve this issue:

hongkong(config)#interface FastEthernet0/1
hongkong(config-if)# ip address 180.178.79.1 255.255.255.252

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With this fix, the ping is working

sybase#ping 79.99.192.53 source 3.3.3.3

Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 79.99.192.53, timeout is 2 seconds:
Packet sent with a source address of 3.3.3.3
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 88/106/116 ms

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0
 
cpatte7372Author Commented:
Experts,

Can I please get some help with this.....

Cheers
0
 
cpatte7372Author Commented:
bplantier, you have restored my faith in EE. I was considering cancelling as I number of question were going unanswered.

Thank you....
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