From owner-freebsd-net@FreeBSD.ORG  Sat Mar 17 15:18:10 2007
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Date: Sun, 18 Mar 2007 02:17:53 +1100 (EST)
From: Ian Smith <smithi@nimnet.asn.au>
To: Colin Waring <freebsd@southportcomputers.co.uk>
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Cc: freebsd-net@freebsd.org
Subject: Re: Troubleshooting aliases.
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On Sat, 17 Mar 2007, Colin Waring wrote:
 > Hi folks,
 > Been running into brick walls since last night on this one.
 > Situation is that our server has 6.1-RELEASE on it with four IP addresses.
 > 
 > The section of rc.conf is this:
 > 
 > ifconfig_em0="inet a.a.a.a netmask 255.255.255.0"
 > ifconfig_em0_alias0="inet a.a.a.b netmask 255.255.255.255"
 > ifconfig_em0_alias1="inet a.a.a.c netmask 255.255.255.255"
 > ifconfig_em0_alias2="inet a.a.a.d netmask 255.255.255.255"
 > 
 > For some reason, with no updates or changes both a.a.a.b and a.a.a.c have
 > stopped working properly. a.a.a.a works fine, as does a.a.a.d.

Sorry if it should be obvious, but stopped working properly in what way?

 > Unfortunately, the nameservers for the domains hosted on the server use
 > a.a.a.b and a.a.a.c!
 > 
 > So basically I can't figure out what's up as .d works fine..anyone able to
 > help me with some suggestions of where to look for fixing .b and .c?

Works fine at doing what, by comparison?

Cheers, Ian