i've recently taken over as network manager and i have a general query on DDR
We have a number of isdn lines with ddr configs, pretty standard stuff mostly - my query is that my mail team (lotus notes) seem to be under the impression that the isdn line comes up every 30 mins but i'm sure that the line somes up only when any interesting traffic is routed to the dial interface
the config is pretty much a standard DDR config with no big differences from that in any cisco book.
i think that mail is throttled back with a limit on the actual server, i.e. route mail if no of mails > 10.
is there any way to force a line to come up every 30 mins rather than using DDR or is there an option in DDR for this?
if your dialer list is not configured or not properly configured, it's possible that your line comes up every 30 seconds, caused by e.g. a routing protocol that sends updates. Check the dialer list or post your config (strip passwords etc.) here so we can have a look?
You could also run 'debug dialer events' to check when the router is dialing and what is the cause (don't forget to turn on "terminal monitor" if you're telnetting into the router, in order to see the debug messages). You'll get output similar to the following:
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