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Conference noted::seal

Title:SEAL
Moderator:GALVIA::SMITH
Created:Mon Mar 21 1994
Last Modified:Fri Jun 06 1997
Last Successful Update:Fri Jun 06 1997
Number of topics:1989
Total number of notes:8209

1733.0. "ignoring RIP Response packet" by SNOFS1::stylia.sno.dec.com::snov14::stylianoua () Wed Jan 22 1997 18:48

T.RTitleUserPersonal
Name
DateLines
1733.1QUICHE::PITTAlph a ha is better than no VAX!Thu Jan 23 1997 04:345
1733.2A picture paints a 1000 wordsSNOFS1::stylia.sno.dec.com::snov14::stylianouaThu Jan 23 1997 18:0223
1733.3QUICHE::PITTAlph a ha is better than no VAX!Fri Jan 24 1997 06:1515
Hmmmm.  That picture does say it all.  Somewhere on the internal network,
probably on the immediate "blue LAN" there is a router with address
203.2.170.251.  The firewall will only process RIP messages - I seem to remember
that this is how gated as a whole works - from things that are one hop away. 
That implies that the machine sending the RIP must be in the same subnet as the
internal interface, and this machine clearly isn't.

So, the next step is to find "the rest of the network".  It may be that they are
putting multiple subnets on the same Ethernet, and this might be the problem. 
It may be that they are using IP aliasing somewhere - on the Brouter, perhaps -
and so the RIP messages appear to be coming from the wrong address.

Please tell us the final answer when you find it - I'm intrigued!

T
1733.4I'll get back to you.SNOFS1::snod14dgp19.gen.sno.dec.com::snov14.sno.dec.com::stylianouaThu Jan 30 1997 04:001