NAMED and multiple addresses on the same interface

[Mark.Andrews at nominum.com]

> I have two IP addresses on exp0 under BSDI 4.1 that I want both to "listen"
> for dns queries with BIND 8.2.2p5.  I was under the impression that named
> would automatically starting "listen"ing on those addresses when named was
> started unless there was a listen-on { } directive in the /etc/named.conf.
> I have checked the output of syslogd, and it shows that the IP address is
> being used, but when I specify nslookup to resolve with the second IP
> address (216.119.0.192), it responds:
> 
> *** Can't find server name for address 216.119.0.192: Non-existent
> host/domain
> *** Default servers are not available
> 
> I have nmapped the IP 216.119.0.192, and sure enough port 53 is open.  To
> make sure that it was using that IP address, I added the listen-on
> directive, but it still does not respond to DNS queries.
> 
> What am I doing wrong?
> 

	Using nslookup and not knowing nslookups requirments for
	a valid server.  If the reverse lookup of the IP address
	of the server fails using the server nslookup will skip
	the server.
	
	Dig is a better diagnostic tool than nslookup.

	Mark
> 
> -=- Nicholas Berry
> -=- nberry at corp.jps.net
> -=- Cisco Engineer
> -=- Network Operations
> -=- JPSNet, a OneMain.com company
> 
> 
> 
> 
> 
--
Mark Andrews, Nominum Inc. / Internet Software Consortium
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: Mark.Andrews at nominum.com