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Weird Arp problem with bridging on openbsd 2.8
- To: misc_(_at_)_openbsd_(_dot_)_org
- Subject: Weird Arp problem with bridging on openbsd 2.8
- From: Seamus Wassman <seamusw_(_at_)_itisb_(_dot_)_com>
- Date: Fri, 11 May 2001 14:14:22 -0700
I have an openbsd box set up as a firewall for the company I work for, It has two external interfaces, hooked to our cablemodem through a hub, and 3 internal interfaces.
External Interface xl0 - Bridged with internal interface rl3
External Interface rl0 (24.XX.XX.187 - set up to do nat for machines on rl1, (DMZ with private IP range, 10.10.11.0/32) and rl2, (our internal network, 10.10.10.0/32)
I have a machine on the other side of the bridge (24.XX.XX.113), and can connect to it with ssh from machines inside the Internal Network(10.10.10.0/32), or from external machines, but If I try and connect to it directly from the firewall with ssh it won't connect, although pings do get a reply.
On the firewall Ive tried looking at arp -an, but see no entries for 24.XX.XX.113, so I tried to add a manual definition for it with "arp -s 24.XX.XX.113 00:20:af:9e:94:a9 permanent" and got an error "cannot intuit interface index and type for 24.XX.XX.113"
Any ideas on how to get around this problem would be apreciated.
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