From: Chris Lewis (chrlewiscsco@yahoo.com)
Date: Fri Oct 28 2005 - 15:33:42 GMT-3
The only other well known issue to remember is to configure dialer idle-timeout 0 on the called end, otherwise it will keep dropping the line.
Chris
Pierre-Alex Guanel <paguanel@gmail.com> wrote:
No you don't even need a dialer group for it to work , just a dialer
watch-group is sufficient and the dialer idle-timout parameter. Try it!
On 10/28/05, Venkataramanaiah.R wrote:
>
> That means dialer-group must be configured but with all traffic made
> uninteresting. This is to permit dialer watch check the status of primary
> link at regular interval, which is the idle-timeout.
>
> Correct me if i am wrong...
>
> -Venkat
>
> On 10/28/05, Pierre-Alex GUANEL
wrote:
>
> > Correct!
> >
> > "With dialer watch, the router monitors the existence of a specified
> > route
> > and if that route is not present, it initiates dialing of the backup
> > link.
> > Unlike the other backup methods (such as backup interface or floating
> > static
> > routes) dialer watch does not require interesting traffic to trigger the
> > dial. "
> >
> > For best practices:
> >
> > "Configure on caller router routing protocols as uninteresting in the
> > interesting traffic definition to prevent periodic hellos from resetting
> > the
> > idle timeout. Since the router uses the interesting traffic definition
> > ONLY
> > to check whether the primary link is active, consider making all IP
> > traffic
> > uninteresting using the command dialer-list number protocol ip deny.
> > With
> > this interesting traffic definition, the idle timeout is never reset,
> > and
> > the router checks the status of the primary link at the specified
> > interval.
> > "
> >
> > http://www.cisco.com/warp/public/123/backup-main.html
> >
> > Cheers,
> >
> > Pierre
> >
> >
> > ----- Original Message -----
> > From: "The Great Ryan"
> > To: "George Cosmo"
> > Cc: "Cisco certification"
> > Sent: Friday, October 28, 2005 7:06 AM
> > Subject: Re: Dialer Watch - and Interesting Traffic
> >
> >
> > > Without interesting interface, I think you don't need to configure
> > > "dialer-group" on bri interface
> > >
> > > If you choose to use dialer watch-group, you should define watch-list
> > > & dialer map ip to kick the BRI up.
> > >
> > >
> > > Regards,
> > > Ryan
> > >
> > > 2005/10/28, George Cosmo < george.cosmo@gmail.com>:
> > >> Case:
> > >> *There is no routing protocol on ISDN, I am using dialer watch to
> > >> provide
> > >> backup. ISDN should only come up in case of network failure. *
> > >> **
> > >> - Do I need interesting traffic, as if I have a default route and I
> > ping
> > >> any
> > >> address that is not in my routing table ISDN will come up.
> > >> - Even there is a dialer watch applied ISDN will come up in case
> > there is
> > >> a
> > >> interesting traffic.
> > >> what is a good practice ? no interesting traffic define with dialer
> > >> watch?
> > >> thanks !
> > >>
> > >>
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