From: Volkov, Dmitry (Toronto - BCE) (dmitry_volkov@xxxxxxxxx)
Date: Tue Jul 30 2002 - 13:06:41 GMT-3
Krzysztof ,
Sorry, I didn't understand, what are the dependencies on default-route ?
Let say we have the following
R3(e0)---------(e0)R1 ---isdn----R2(s0)----(s0)R3
In case of link R2-----R3 goes down and network between R2 & R3 flushes from
routing table,
I want to bring up isdn between R1 & R2. No Dialer Watch or static routes
are allowed.
As far as I understand method proposed by Carlos:
to put tunnel between R1 and R3 (terminate on S0) and make isdn int on R1 as
backup for tunnel
If s0 goes down, tunnel goes down and R1 will dial R2. Am I right ?
What is special about default-route here ?
Unfortunately this scenario will not work in case of multipoint Frame link
between R1 & R2, as it monitors only interface status
and doesn't monitor of existence of route to network between R2 & R3.
Thanks,
Dmitry
-----Original Message-----
From: Horszczaruk Krzysztof [mailto:Krzysztof.Horszczaruk@getronics.com]
Sent: Tuesday, July 30, 2002 11:24 AM
To: Carlos G Mendioroz; Volkov, Dmitry (Toronto - BCE)
Cc: ccielab@groupstudy.com
Subject: RE: other way to monitor deleted route than dialer Watch
many magic things can be made with tunnel ...
this one (invented by Carlos) would work provided there is no default-route.
am i right ?
(in case of default-route the fake tunnel will stay permanently up)
krzysztof horszczaruk
>>>-----Original Message-----
>>>From: Carlos G Mendioroz [mailto:tron@huapi.ba.ar]
>>>Sent: Tuesday, July 30, 2002 4:51 PM
>>>To: Volkov, Dmitry (Toronto - BCE)
>>>Cc: 'ccielab@groupstudy.com'
>>>Subject: Re: other way to monitor deleted route than dialer Watch
>>>
>>>
>>>Yes,
>>>you can combine a fake tunnel endpoint and backup to achieve the
>>>same functionality. A tunnel goes down when there's no route to
>>>the other side. Backup on it will keep down an ISDN down for
>>>as long as the remote is reachable. Add some interesting traffic
>>>to the mix to get a homebrew dialer watch recipe! :-)
>>>
>>>
>>>
>>>"Volkov, Dmitry (Toronto - BCE)" wrote:
>>>>
>>>> Hello group,
>>>>
>>>> Does anybody know the way (other than Dialer Watch) to
>>>monitor the existence
>>>> of a specified route
>>>> and if that route is not present, to initate dialing of
>>>the backup link ???
>>>>
>>>> Is it possible to monitor deleted (not connected) route to
>>>make ISDN dial
>>>> using something else than Dialer Watch ?
>>>>
>>>> Let say I want do make call to provide backup when some
>>>link (not connected)
>>>> goes down.
>>>>
>>>> Thanks,
>>>>
>>>> Dmitry
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