child and forwarder
Cricket Liu
cricket at acmebw.com
Mon Aug 23 16:53:34 UTC 1999
JULIEN Antoine <julien at info.enserb.u-bordeaux.fr> wrote in message
news:<7prcrq$r6t$1 at fu-berlin.de>...
> I have a DNS (called "parent DNS") config with a forwarder to redirect
> request outside my domain. I install a child DNS (under "parent DNS") for
a
> subdomain (I add NS and A RR on "parent DNS"), all work fine. But, when I
> watch the network with tcpdump, I see (the command is a nslookup on parent
> machine: lookup for the child machine):
>
> 1) a connection between the parent DNS and his forwarder
> 2) a connection between the forwarder and the child DNS
> 3) a connection between the child and forwarder
> 4) and the response is given by the forwarder to the parent DNS
>
> Why is this so complicated? Why the parent don't address directly his
> request to the child?
Because--repeat after me--"forwarding overrides delegation." If you want to
change that behavior, you can use the new forward zones supported in BIND
8.2+. Then you can configure the parent name server to resolve all domain
names under the parent zone iteratively, without using a forwarder.
cricket
Acme Byte & Wire
cricket at acmebw.com
www.acmebw.com
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