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Webcast-Catalyst9k
New Member

Basic BGP <->OSPF redistribution:why can't I ping device?

Hi, this is sounds simple but I can't figure out where the problem is:
Basically I noticed that from SW2 switch I can't ping R4 (192.168.1.4).

I did redistribution OK between OSPF and BGP and I removed for now route-maps.

Question:Can you help clarify why I can't ping 192.168.1.4 from SW2?

Show  run and diagram for all devices is attached.


Thanks

---------------------

SW2#show ip bgp
BGP table version is 7, local router ID is 10.2.255.47
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
*> 4.4.4.4/32       10.2.55.133              2             0 200 ?
*> 10.2.80.0/24     0.0.0.0                  0         32768 ?
*> 10.2.90.111/32   10.2.80.1                2         32768 ?
*> 10.2.255.47/32   0.0.0.0                  0         32768 ?
*> 70.168.1.0/24    10.2.55.133              2             0 200 ?
*> 192.168.1.0      10.2.55.133              0             0 200 ?
SW2#ping 192.168.1.4

Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 192.168.1.4, timeout is 2 seconds:
.....
Success rate is 0 percent (0/5)
SW2#show ip route 192.168.1.4
Routing entry for 192.168.1.0/24
  Known via "bgp 100", distance 20, metric 0
  Tag 200, type external
  Redistributing via ospf 1
  Advertised by ospf 1 metric 10 subnets
  Last update from 10.2.55.133 03:13:04 ago
  Routing Descriptor Blocks:
  * 10.2.55.133, from 10.2.55.133, 03:13:04 ago
      Route metric is 0, traffic share count is 1
      AS Hops 1
      Route tag 200

1 REPLY
New Member

Re: Basic BGP <->OSPF redistribution:why can't I ping device?

Never mind. I found the problem. Missing advertisement for 10.2.55.133 interface on R3. Regards.

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