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From: Tony Griffiths <tonyg@OntheNet.com.au>
Newsgroups: comp.unix.bsd.freebsd.misc,comp.unix.bsd.bsdi.misc
Subject: Re: 2nd Class C
Date: Thu, 20 Mar 1997 11:16:29 +1000
Organization: On the Net (ISP on the Gold Coast, Australia)
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Message-ID: <33308FED.1494@OntheNet.com.au>
References: <Pine.BSF.3.96.970317002404.1094A-100000@zeus.xtalwind.net>
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To: jack <jack@diamond.xtalwind.net>
Xref: euryale.cc.adfa.oz.au comp.unix.bsd.freebsd.misc:37324 comp.unix.bsd.bsdi.misc:6373
jack wrote:
>
> Two days ago I added an address from our second class C to a FreeBSD box
> with `ifconfig ed0 inet xxx.xxx.xxx.xxx alias' and everything is fine.
> The same command on three different BSDi boxes (with the appropriate
> interface designation :)) results in them losing the MAC address of the
> router after about 5 to 20 minutes. Netstat -ran shows the Gateway to the
> router IP as the correct MAC address at first then changes to link#1.
>
> Any suggestions on how to keep the BSDi boxes in contact with the outside
> world?
Looks like the BSDi os is removing the router's ARP entry that should be
in the ARP dB (IP->MAC conversion). You could try using the 'arp'
command to force a 'permanent' entry that doesn't timeout!
eg.
fjholden: {2} netstat -in
Name Mtu Network Address Ipkts Ierrs Opkts Oerrs
Coll
ed0 1500 <Link>00.c0.6c.48.66.35 6512803 0 6401998 7
313400
ed0 1500 203.63.215 203.63.215.xxx 6512803 0 6401998 7
313400
ed0 1500 203.10.89 203.10.89.yyy 6512803 0 6401998 7
313400
fjholden: {1} arp -a
gw-gc-1 (203.10.89.zzz) at 0:0:c:f6:97:c1 <- default router
cedric1 (203.63.215.aaa) at 8:0:20:b:96:e4 permanent <- for the alias
>
> --------------------------------------------------------------------------
> Jack O'Neill Finger jacko@diamond.xtalwind.net or
> jack@xtalwind.net http://www.xtalwind.net/~jacko/pubpgp.html
> #include <std_disclaimers.h> for my PGP key.
> PGP Key fingerprint = F6 C4 E6 D4 2F 15 A7 67 FD 09 E9 3C 5F CC EB CD
> --------------------------------------------------------------------------
Tony