[lug] DNS on aliased ETH0

[Stephen Smith]

Both interfaces are on different networks.
My monitor software will do both a ping and
a query to port 53.
The ping has success but I get a timeout on the DNS
query.

SGS

--- John Hernandez <John.Hernandez at noaa.gov> wrote:
> Is the virtual interface on the same IP network?  If
> so, does it's ethernet MAC address differ from the
> physical eth0 interface?
> 
> During the interruption, is the virtual interface IP
> reachable,  ie. can you ping it during the DNS
> outage?
> 
> -John
> 
> Stephen Smith wrote:
> > 
> > Hello,
> > I have a RH 6.2 DNS server with a NIC
> > that has an alias 2nd IP address.
> > 99% of the time, I can query DNS from either
> > network but every so often, my monitoring
> > software will tell me that the DNS service is
> > down on the alias interface. It seems to stop
> > responding for only a very short period of time
> > but will happen many times in a day.
> > 
> > Any ideas?
> > 
> > SGS
> > 
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