All the routers have a /24 subnet. (208.186.96.0/24) However, doing a list ip route on the arc shows the following relevant routing entries 208.186.96.0/21 LOCAL 208.186.96.15 1 eth:1 208.186.96.11/H LOCAL 208.186.96.11 1 eth:1 I've run into the problem where OSPF won't negotiate because the subnet masks don't match. That's easy to troubleshoot because the debug on the Cisco will specifically say the netmasks don't match. I'm not having that problem this time. 208.186.96.0/21 is the aggregate address for that block. It's being redistributed into OSPF from BGP. ----- Original Message ----- From: "Antonio Querubin" <tony@lava.net> To: <usr-tc@mailman.xmission.com> Cc: <usr-tc@lists.xmission.com>; <mandrews@bit0.com> Sent: Wednesday, February 12, 2003 12:09 PM Subject: Re: [USR-TC] OSPF Adjaceny Problems
On Wed, 12 Feb 2003, Steve Coleman wrote:
I have the priority set to 0 on the Arc, the PM3, and the Foundry. The Cisco's are 200 and 100. All routers exchange fine with each other except the Cisco with the priority of 200 and the Arc.
What does the ARC see as the prefix length for the subnet that it talks with the other OSPF neighbors on? Ie. does the subnet match with the other routers?
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