From: MADMAN (dave@interprise.com)
Date: Tue Oct 15 2002 - 15:58:54 GMT-3
I have never used dialer watch but have seen a few threads on it's use
and I don't see much differance between it and a simple floating static
route, ( my method of choice).
I know I must be missing something...
Dave
syv wrote:
>
> On Tuesday, October 15, 2002, Azhar Mehmood wrote:
>
> Characteristics of dialer watch:
>
> * Watches specific routes in the routing table and initiates
> backup link if the route is missing
> * Encapsulation independent
> * Evaluates status of primary link based on the existence of
> routes to the peer. Hence it considers primary link status
> based on the ability to pass traffic to the peer
> Does not rely on interesting packets to trigger dialing
> Dialing the backup link is done immediately when the primary
> route is lost
> * Dependent on the routing protocol convergence time
> only IGRP/EIGRP/OSPF supported
> * Supports multiple router backup scenario
> * Bandwidth on demand is not possible since the route to the
> peer will exist regardless of the load on the primary link
> Triggered by:
> 1. Interesting packets defined with DDR
> 2. Connection loss on primary interface
> 3. Traffic threshold being exceeded
>
> -----Original Message-----
> AM> Hi,
>
> AM> I have a router R1 ehich has 3 exit points to reach a specific subnet:
>
> AM> 1. Ethernet
> AM> 2. Serial
> AM> 3. ISDN
>
> AM> 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.
>
> AM> 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
> AM> call hence it brings it also down again after idle-timeou
> AM> t.
>
> AM> My question is how to configure the router that it waits until both of the link 're unavailable and triggering than an isdn call.
>
> AM> regards
>
> AM> AZHAR MEHMOOD
> AM> GERMANY
>
> Thanks
> --
> syv@911networks.com
-- David Madland CCIE# 2016 Sr. Network Engineer Qwest Communications 612-664-3367"You don't make the poor richer by making the rich poorer." --Winston Churchill
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