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01.12.2008 at 12:56PM PST, ID: 23078325
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Attachment Details

Static ARP entry and OSPF routing

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8.2
Tags:

OpenBSD, OSPFd, OpenBSD 4.2

Hello, Experts!

I am running small OSPF network on my OpenBSD routers for client traffic management with trivial "security" policy - static arp entries for single computer which is connected to router. The problem is redistribution of those static arp entries over OSPF network like /32 route.

For example, if I add static arp entry on BOX A like the following:
box a# arp -s 195.195.195.1 00:00:00:00:00:FF

.. and thanks to OSPF, automatically I get route on BOX B like the following:
box b# netstat -rn
195.195.195.1/32  195.195.1.1     UG2         0        0      -   fxp0

How to avoid this? Would love to get rid of those "P2P routes".

=====

Platform OpenBSD 4.2 with ospfd (base).

# cat /etc/ospfd.conf

router-id 195.13.171.241

redistribute connected set { metric 1 type 1 }
redistribute static set { metric 2 type 1 }

area 0.0.0.0 {
        interface fxp0
}
Answered By: noci
Expert Since: 10/29/2003
Accepted Solutions: 606
noci has been an Expert for 5 years 2 months, during which he has posted 2021 comments and answered 606 questions. noci is just one of 40 experts in the OpenBSD Zone. 1 expert collaborated on this answer, which was graded an "A" by the asker.
 
 
 
 
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