From: Robert Rech (brech@kc.rr.com)
Date: Fri Oct 18 2002 - 00:48:10 GMT-3
Make sure the watched route is adv across both the ether and serial, you can
setup multiple routes to watch. ISDN will not dial unless all watched routes
are removed from the routing table.
----- Original Message -----
From: "Todd Veillette" <tveillette@myeastern.com>
To: "Azhar Mehmood" <azhar.mehmood@web.de>
Cc: <ccielab@groupstudy.com>
Sent: Wednesday, October 16, 2002 6:39 PM
Subject: Re: RE: Dialer watch
> Simple, redistribute a bogus network via a loopback
> and block it with a distribute-list over the ISDN.
> Use the network as the "watched" route.
>
> -TV
>
> ----- Original Message -----
> From: "Azhar Mehmood" <azhar.mehmood@web.de>
> To: "Bola Adegbonmire" <BolaAD@Resourcery.com.ng>
> Cc: <ccielab@groupstudy.com>
> Sent: Wednesday, October 16, 2002 1:32 PM
> Subject: Re: RE: Dialer watch
>
>
> > hi,
> >
> > the config is as you described bellow, despite having e0 as primary,
> serial as secondry and ISDN as last option dialer-watch triggers ISDN call
> right after e0 is anavailable. Although ISDN link is down again after
> idle-timeout has expired because serial interface is prefered as second
> option and also routes are installed in routing table. My question was how
> to prevent dialer-watch to trigger ISDN call right after E0 is down and
> serial is available as second option. By the way I'm using EIGRP and
Serial
> is a permanent link with HDLC enc.
> >
> > regards
> >
> > AZHAR M.
> > Germany
> >
> >
> > "Bola Adegbonmire" <BolaAD@Resourcery.com.ng> schrieb am 16.10.02
> 13:38:22:
> > > Hi,
> > > I did something like this a recently and used Dialer watch. Though my
> DDR link is over an asychromous modem via PSTN. First I will like to know
if
> your Serial interface is a permanent connection. for example is it a
> frame-relay PVC? If you had something like this
> > >
> > > Ethernet
> > > Serial - frame-relay PVC
> > > ISDN
> > >
> > > 1 make sure that the network been watched "xxxx" by dailer watch is
also
> sent by your dynamic routing protocol (Eigrp/Igrp/OSPF) over the serial
> link.
> > >
> > > 2 make sure your Serial interface is made less desirable than your
> ethernet(default interface bandwidth makes sure though), use bandwidth
> command
> > >
> > > 3 make sure ISDN interface is least desirable of all three (use
> bandwidth command here too)
> > >
> > > Scenario is close to this
> > >
> > > int e0
> > > bandwidth 10000
> > > !
> > > int s0
> > > bandwidth 256
> > > !
> > > int bri0
> > > bandwidth 64
> > >
> > > and you were running your dynamic protocol on all interfaces, you will
> have network xxxx in topology table(EIGRP) but route through e0 installed
in
> routing table. When e0 no longer receives hello packets, route through
> serial is installed and finally if PVC goes down then there is no
interface
> in routing table referencing xxxx dialer watch noiw kicks the ISDN link to
> dial.
> > >
> > >
> > > -----Original Message-----
> > > From: Ashok.Gupta [mailto:Ashok.Gupta@gmconsultants.com]
> > > Sent: Tuesday, October 15, 2002 7:44 PM
> > > To: 'Azhar Mehmood'; ccielab@groupstudy.com
> > > Subject: RE: Dialer watch
> > >
> > >
> > > floating static
> > >
> > > Regds
> > >
> > > Ashok
> > >
> > > -----Original Message-----
> > > From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of
> > > Azhar Mehmood
> > > Sent: 15 October 2002 17:09
> > > To: ccielab@groupstudy.com
> > > Subject: Dialer watch
> > >
> > >
> > > Hi,
> > >
> > > I have a router R1 ehich has 3 exit points to reach a specific subnet:
> > >
> > > 1. Ethernet
> > > 2. Serial
> > > 3. ISDN
> > >
> > > As long the route over ethernet is available it's prefered over all
> other,
> > > after it has gone serial is prefered and as third option the ISDN
Link.
> > >
> > > Now my problem is how to keep ISDN Link down until both of the primary
> links
> > > are available. I tried to acomplish it with dialer watch but as soon
as
> the
> > > ethernet is gone dialer watch triggers the call hence it brings it
also
> down
> > > again after idle-timeout.
> > >
> > > My question is how to configure the router that it waits until both of
> the
> > > link 're unavailable and triggering than an isdn call.
> > >
> > >
> > > regards
> > >
> > > AZHAR MEHMOOD
> > > GERMANY
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