OSPF------->BGP---------->OSPF----------> ARGHHHHHHHHHHHH!!!!!!!!!!!!!!!!!!

From: John Conzone (jkconzone@xxxxxxxx)
Date: Sun Sep 03 2000 - 10:33:51 GMT-3


   
       I am having trouble keeping my ISDN line quiet because of external
   LSA being generated when I redistribute OSPF int BGP and then back
   into OSPF.
       No matter what type of list I try, I can't seem to stop the ISDN
   line coming up. As soon as the ISDN link comes down, OSPF generates a
   message which is redistributed into BGP which comes back into OSPF as
   an external announcement and brings up the line. (at least I think
   thats whats happening.)
       I looked in the archives and have found some references to this
   saying use passive interface or distribute list, but distribute list
   won't work for me (probaly becsue I;m not applying properly), and I
   need this link to operate normally so I can't use passive.
       Besides not doing a redistribution loop (which is part of the lab
   requirement so I have to) what am I doing wrong?
       Thanks!
   
       r6#
       OSPF: Generate external LSA 137.20.224.5, mask 255.255.255.255,
   type 5, age 0, m
       etric 20, seq 0x80000009
       %ISDN-6-CONNECT: Interface BRI0:1 is now connected to 4930624
   r5



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