ahhh, I'll give you a free answer anyway! ;-)
Without making any assumptions except that the Frame Relay interface is
configured with a backup-interface statement that's pointed to a dialer, and
that all the routing is working okay, and that the dialer has a good
dialer-list, then the config would look similar to:
interface serial0/1
encapsulation frame-relay
backup interface dialer1
no backup load
no backup delay
interface dialer1
then the only thing that would bring the backup into play is the serial
going down/down momentarily.
If there IS a backup load statement on serial, then bandwidth percentage
over the first parameter of that command would initiate the dialer. Adjust
it higher or remove it.
If there's no backup interface command on the serial interface, then a
floating static route is probably initiating the DDR. If an IGP is used
over the Frame Relay network then a route flap on the default route would
also start the dialing sequence.
Let's see... is there a link for you? nope, can't find one that's
appropriate.
-e-
----- Original Message -----
From: "Mark Z."
To:
Sent: Tuesday, May 08, 2001 2:39 PM
Subject: Frame Relay backup issue... [7:3686]
> Hi Guys,
> Been a while since I've written to the list (guess that's kind of a
good
> thing). Fairly simple question here: Lets say there is a company with a FR
> network with a hub/spoke topology. When data is sent from a site, alot of
> times the backup link kicks up, even though the primary never went down. I
> remember this type of scenario in my readings but forget what the
> possibilities are. The simplest answer would be that they are
oversubscribing
> their access on the line and the backup's kicking up. Or the line is just
> bad...but I doubt that. What are some possible scenarios that would cause
> this
> issue. I'm not asking for free answers to this but I would appreciate it
if
> someone could point me in the right direction in terms of reading up on
this.
> Thanks guys...good to be back.
>
> Mark Zabludovsky ~ CCNP, CCDA
> [EMAIL PROTECTED]
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