asterisk users - Jun 2005 - Asterisk does not function without a DNS ser ver

> We have our Asterisk server running smoothly with a SIP BRI gateway
> for inbound calls. However if the Internet connection goes down and a
> DNS server becomes unreachable Asterisk basically does not function.
> By this I mean it does not answer call coming in from the gateway
> (which is on the local LAN) and you can't even reload it - just hangs
> there. If I change the DNS setting in resolv.conf to something else
> which is reachable all is well again.
> 
> I have tried setting srvlookup=no in sip.conf but it made no difference.
> 
> Does anyone know how I to make Asterisk continue working for local LAN
> users/gateways when a DNS server is not reachable?
Try to use bind on the * Machine and configure it as a caching only
nameserver.

Hope, this helps

Regards,

Guido Hecken

I'd really rather not run a DNS server if I don't have to. Surely ther
must be a way to tell Asterisk not to rely on DNS?



On 6/21/05, Guido Hecken <guido.hecken@gwsnettech.de>
wrote:
> > We have our Asterisk server running smoothly with a SIP BRI gateway
> > for inbound calls. However if the Internet connection goes down and a
> > DNS server becomes unreachable Asterisk basically does not function.
> > By this I mean it does not answer call coming in from the gateway
> > (which is on the local LAN) and you can't even reload it - just
hangs
> > there. If I change the DNS setting in resolv.conf to something else
> > which is reachable all is well again.
> >
> > I have tried setting srvlookup=no in sip.conf but it made no
difference.
> >
> > Does anyone know how I to make Asterisk continue working for local LAN
> > users/gateways when a DNS server is not reachable?
> 
> Try to use bind on the * Machine and configure it as a caching only
> nameserver.
> 
> Hope, this helps
> 
> Regards,
> 
> Guido Hecken
>

I actually do not need DNS at all as I refer to all hosts via IP
addresses but Asterisk still seems to need DNS perhaps to do reverse
lookup or something like that......

On 6/22/05, Eric Bishop <asterisk.eric@gmail.com>
wrote:
> I actually do not need DNS at all as I refer to all hosts via IP
> addresses but Asterisk still seems to need DNS perhaps to do reverse
> lookup or something like that......
> 
> 
> On 6/21/05, Rich Adamson <radamson@routers.com> wrote:
> > Sure, put the entry in /etc/hosts. Check the /etc/host.conf to ensure
> > something like:
> >  order hosts,bind
> > is defined. That essentially tells your system to first check the
> > /etc/host for the host name and if not found use bind (dns).
> >
> > ------------------------
> > > I'd really rather not run a DNS server if I don't have
to. Surely ther
> > > must be a way to tell Asterisk not to rely on DNS?
> > >
> > >
> > >
> > > On 6/21/05, Guido Hecken <guido.hecken@gwsnettech.de>
wrote:
> > > > > We have our Asterisk server running smoothly with a SIP
BRI gateway
> > > > > for inbound calls. However if the Internet connection
goes down and a
> > > > > DNS server becomes unreachable Asterisk basically does
not function.
> > > > > By this I mean it does not answer call coming in from
the gateway
> > > > > (which is on the local LAN) and you can't even
reload it - just hangs
> > > > > there. If I change the DNS setting in resolv.conf to
something else
> > > > > which is reachable all is well again.
> > > > >
> > > > > I have tried setting srvlookup=no in sip.conf but it
made no difference.
> > > > >
> > > > > Does anyone know how I to make Asterisk continue
working for local LAN
> > > > > users/gateways when a DNS server is not reachable?
> > > >
> > > > Try to use bind on the * Machine and configure it as a
caching only
> > > > nameserver.
> > > >
> > > > Hope, this helps
> > > >
> > > > Regards,
> > > >
> > > > Guido Hecken
> > > >
> > > _______________________________________________
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> >
> > ---------------End of Original Message-----------------
> >
> >
> >
>