From owner-freebsd-stable  Mon Jan 31 15: 3:32 2000
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Date: Mon, 31 Jan 2000 15:03:26 -0800 (PST)
From: patl@phoenix.volant.org
Reply-To: patl@phoenix.volant.org
Subject: ICMP redirects: self => self
To: freebsd-stable@freebsd.org
Message-ID: <ML-3.4.949359806.8607.patl@asimov.phoenix.volant.org>
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I recently upgraded an old system to 3.4R.  Now I'm getting a lot
of ICMP redirect log messages directing that host back to itself:

	Jan 31 10:44:36 myhost /kernel: icmp redirect from 10.0.0.68:
		10.0.0.67 => 10.0.0.67
	Jan 31 10:44:57 myhost last message repeated 234 times
	Jan 31 10:46:59 myhost last message repeated 954 times
	Jan 31 10:57:01 myhost last message repeated 4695 times

(I've changed the network portion and hostname for the example.)

I don't understand why the triggering packets ever made it out to
the gateway in the first place - shouldn't it loopback for its
own IP address?

I've checked 'ifconfig -a' and 'netstat -nr' output; and both look
OK.  (Similar to other hosts on the network.)


Thanks,
-Pat


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