Multihomed BIND will not respond to 2nd address

[Barry Margolin]

In article <9rpisl$gum at pub3.rc.vix.com>,
Richard Blackwell  <richard.blackwell at brightstar.com> wrote:
>
>I'm having to switch my entire network from the IP address space of one of
>our ISPs to another.
>
>I'm running BIND 8.2.5 on a RedHat 7.1 box with two NICs, each NIC with a
>single IP address, one in each address space.  The OS install is fresh,
>installed from CD yesterday, and I downloaded BIND from isc.org and compiled
>it on the machine in question.
>
>I have used the "listen-on" configuration directive in named.conf to tell
>BIND to listen on both addresses.
>
>My problem is:  I cannot get BIND to respond to any requests from any other
>machine on the IP address in the new address space, but it responds
>beautifully on the old IP.

Do you start BIND before or after you configure the second IP?  If you
start it before enabling the second NIC, it won't be able to bind to that
IP.  Every hour (by default) BIND scans the configured interface list and
updates its bindings to match what exists.

-- 
Barry Margolin, barmar at genuity.net
Genuity, Woburn, MA
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