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Message-ID: <19970723120431.25710@wup.de>
Date: Wed, 23 Jul 1997 12:04:31 +0200
From: Andreas Klemm <root@wup.de>
To: hackers@FreeBSD.ORG
Subject: FreeBSD 2.2, ping to an ip alias for interface vx0 fails ...
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Hi !

Little trouble with our companies FreeBSD www server (2.2-STABLE
from about 2 weeks ago).

Am about creating a virtual www server.

For this purpose I created an IP alias for the interface vx0

vx0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
	inet 149.237.200.7 netmask 0xffffff00 broadcast 149.237.200.255
	inet 149.237.200.100 netmask 0xffffff00 broadcast 149.237.200.255
	inet 149.237.31.7 netmask 0xffffff00 broadcast 149.237.31.255
	ether 00:60:97:17:3d:0e 
lp0: flags=8810<POINTOPOINT,SIMPLEX,MULTICAST> mtu 1500
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 16384
	inet 127.0.0.1 netmask 0xff000000 

As you can see, three IP aliases are bound to vx0.

And now comes a strange error. Only pings to 149.237.200.100
fail !!! Is there a possible +-1 problem ??? 

Pings to 149.237.200.7 and 149.237.31.7 are always successfull.

Is maybe alias[0] not initialized ???

	Andreas ///