query-source for multiple interfaces

Barry Margolin barmar at alum.mit.edu
Wed May 17 23:17:38 UTC 2006

In article <e4feh9$12k9$1 at sf1.isc.org>,
 Sam Wilson <Sam.Wilson at ed.ac.uk> wrote:

> Looking at the ARM the "query-source" option seems to be able to specify 
> only one address.  We are investigating anycast DNS on multihomed 
> servers.  It looks as though I can't use "query-source" to allow queries 
> to be sent from any address except the multicast address.  Is this true 
> and is there any obvious workaround?  I've already thought of adding a 
> second local /32 address that's specific to the box and sourcing the 
> queries from there, but that's getting rather messy.

If the anycast address is an alias IP, I don't think you need to do 
anything.  I think the OS will automatically default the source address 
to the primary IP of the outgoing interface rather than an alias.

Barry Margolin, barmar at alum.mit.edu
Arlington, MA
*** PLEASE post questions in newsgroups, not directly to me ***
*** PLEASE don't copy me on replies, I'll read them in the group ***

More information about the bind-users mailing list