From: Erick B. (erickbe@xxxxxxxxx)
Date: Wed Feb 06 2002 - 22:14:41 GMT-3
FYI, Frame-Relay End-To-End Keepalives make 'backup
interface' much more reliable with frame.
--- Patrick <pjm@roadrunner.nf.net> wrote:
> The only way to make it work using backup interface
> is to use a frame-relay
> sub-interface. As long as the physical IF recieve's
> LMI from the frame
> switch it will never go down.
>
> ----- Original Message -----
> From: "Mannan Venkatesan" <mv_lab@hotmail.com>
> To: <swm@emanon.com>; "'Antonio Marfil'"
> <tony.marfil@networxcorp.com>;
> <ccielab@groupstudy.com>
> Sent: Wednesday, February 06, 2002 11:11 AM
> Subject: Re: How to test a BRI backup int?
>
>
> > Testing is fine, but it doesn't serve the real
> purpose (backup), right??
> If
> > there is a problem between remote switch and the
> remote router, then local
> > interface is still up/up and backup doesn't work.
> May be, dialer watch is
> > the solution here.
> >
> > Thanks,
> > Mannan
> >
> > ----- Original Message -----
> > From: "Scott Morris" <swm@emanon.com>
> > To: "'Mannan Venkatesan'" <mv_lab@hotmail.com>;
> "'Antonio Marfil'"
> > <tony.marfil@networxcorp.com>;
> <ccielab@groupstudy.com>
> > Sent: Wednesday, February 06, 2002 8:01 AM
> > Subject: RE: How to test a BRI backup int?
> >
> >
> > > Couple ways...
> > >
> > > The simplest way is physical disconnection.
> > > Otherwise, get to the frame switch and shut the
> interface down.
> > >
> > > Beyond that, if you are running sub-interfaces,
> you can put the backup
> > > interface command specific to that sub-if. And
> DLCI.
> > >
> > > Otherwise the "up" associated with the line
> itself has to do with
> clocking
> > > your router is receiving from the frame switch.
> Even if ALL of your
> > DLCI's
> > > go to inactive, you are still exchanging LMI's
> 'n' receiving clock from
> > the
> > > DCE device (frame switch). So, either unplug it
> or perform a "shut" at
> > the
> > > frame switch.
> > >
> > > That will accomplish what you are looking for.
> Enjoy!
> > >
> > > Scott
> > >
> > > -----Original Message-----
> > > From: nobody@groupstudy.com
> [mailto:nobody@groupstudy.com]On Behalf Of
> > > Mannan Venkatesan
> > > Sent: Wednesday, February 06, 2002 3:59 AM
> > > To: Antonio Marfil; ccielab@groupstudy.com
> > > Subject: Re: How to test a BRI backup int?
> > >
> > >
> > > I tried to use FR end-to-end keepalive on a
> multipoint interface and
> when
> > I
> > > shut the remote interfaces, the PVC status
> changes to inactive but the
> > line
> > > protocol stays 'up'. So, I couldn't test 'backup
> interface' command.
> > Anybody
> > > tried this before?
> > >
> > > Mannan
> > >
> > > ----- Original Message -----
> > > From: "Mannan Venkatesan" <mv_lab@hotmail.com>
> > > To: "Antonio Marfil"
> <tony.marfil@networxcorp.com>;
> > <ccielab@groupstudy.com>
> > > Sent: Wednesday, February 06, 2002 3:48 AM
> > > Subject: Re: How to test a BRI backup int?
> > >
> > >
> > > > If it is ppp/hdlc encap., shut the remote
> router's interface. It also
> > > works
> > > > with FR P-t-P sub-if.
> > > >
> > > > Mannan
> > > >
> > > > ----- Original Message -----
> > > > From: "Antonio Marfil"
> <tony.marfil@networxcorp.com>
> > > > To: <ccielab@groupstudy.com>
> > > > Sent: Wednesday, February 06, 2002 3:12 AM
> > > > Subject: How to test a BRI backup int?
> > > >
> > > >
> > > > > is there any way to test a backup int
> without physically
> disconnecting
> > > the
> > > > > serial int that you are trying to backup?
> shutting down a serial
> > > > interface
> > > > > for example, when the backup int is a bri
> doesn't do the trick, but
> > > > pulling
> > > > > the cable from the serial int does
> (automatically brings up the bri
> > > int.)
> > > > >
> > > > > thanks,
> > > > > tony
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