From: nagendra kumar (nagendranainar@yahoo.co.in)
Date: Fri Mar 14 2008 - 03:39:18 ARST
Hi All,
loopback
|
ospf
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R1--EIGRP---------BB
|
|
ospf
|
R2
Sorry for the lenghty mail....
In the above setup, I am running EIGRP between R1 and BB and OSPF between R1 and R2. Loopback interface of R1 is included in OSPF domain.
I am redistributing OSPF into EIGRP (using "redistribute ospf 1 metric 10000 1 255 10 1500" command) in a way that only the loopback interface of R1 gets redistributed into EIGRP(I have other routers connected in OSPF domain as well). I enabled EIGRP debugs and happen to see that R1 is advertising the loopback address to BB via EIGRP, but I am not able to ping BB with loopback address as source address. I removed "redistribute ospf 1 metric " command and tried "redistribue connected" and still end up with same issue. I am aware that we need to mention the metric while redistributing other protocols into EIGRP and I am done with that as well
I tried adding the loopback address into EIGRP (using network command under eigrp process) and everything works fine. In other words, if the address is advertised as internal route, I am able to reach BB with loopback address as source. But If the same is advertised as external, I am not able to.
This is a kind of mock lab which we took internally and we dont have access to the BB router. I dont have the running configs to post here. Sorry about it. Can some please let me know if this could be any redistribution issue or any intentional config in BB router to have external routes with Administrative distance as 255?.
The funny part is, I tried similar setup with same config in my setup and it works fine with no issues. I dont have any ACL/security configured in the link between R1 and BB routers.
If some one caught in such situation in real lab, what would be the best way to troubleshoot?.
Lately, I have seen mails saying that In real labs, our configs may be disturbed as part of troubleshooting. Is it true?. If so will they do it in our routers/switches or in BB routers?.
If it wont violate the NDA, can some one please answer the above?.
Regards,
Nagendra
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