Monday, March 21, 2011

Redistribution Issue - - Troubleshooting Series (Ticket 2)

Issue - R3 can't reach 11.x.x.x network

GNS .net file and initials -



R1 is not advertising network in eigrp
so go to R1
router ei 200

Anonymous said...


As my thinking subnet is advertise via IBGP to R2.So its leanrn router as IBGP.I dont think this route will be in R2 eigrp topology tables.Due to which R2 is not advertise this route to R3.
if u advertise subnet via eigrp it will reflect to R3 routing table..

If someone know better answer post on comment.

Deepak Arora said...

Please note that 11.x.x.x network is advertised in BGP. EIGRP used between R1 & R2 is just setup in order to establish reachability to run BGP on top of it. Since the BGP peering is loopback based.

Also from the name itself - the problem created is within scope of redistribution :-)

Try again... Good Luck...

Anonymous said...

Need to distribut IBGP route in IGP under router R2 bgp proecess.


Gangadhar said...

Unfortunately i could not download the .net or initials.

Hot file trouble me many times :(

Anonymous said...

Redistribute bgp into eigrp @ R1 itself

Deepak sir is this Solution ?

IP_Hamsterviel said...

I haven't seen this in real GNS. By looking the Topology, I would assume the problem is IBGP isn't being redistributed into the EIGRP 200.

because by default, the redistribution on BGP will only work for EBGP into another IGP



btw, how was your lab experience?

Anonymous said...

hello all,

redistribute internal route in BGP R2,

R2(config-router)#bgp redistribute-internal

alfajarx said...

Hi Anonymous,
That's cool. It's work!

R2(config-router)#bgp redistribute-internal

R3#sh ip ro
Routing entry for
Known via "eigrp 200", distance 170, metric 307200, type external
Redistributing via eigrp 200
Last update from on FastEthernet0/0, 00:02:15 ago
Routing Descriptor Blocks:
*, from, 00:02:15 ago, via FastEthernet0/0
Route metric is 307200, traffic share count is 1
Total delay is 2000 microseconds, minimum bandwidth is 10000 Kbit
Reliability 255/255, minimum MTU 1500 bytes
Loading 1/255, Hops 1


Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to, timeout is 2 seconds:
Success rate is 100 percent (5/5), round-trip min/avg/max = 32/115/248 ms