[nsp] Dial-Backup for PPPoE-Dialer?

Tim Franklin tim at colt.net
Thu Feb 12 09:39:04 EST 2004

Hi Gert,

cisco-nsp-bounces at puck.nether.net wrote:

> Imagine the following scenario:
> Cisco 836, at customer premises
>   primary internet access: ADSL interface, with PPPoE (over ATM over
> ADSL)   secondary access, for backup purposes: dialup via ISDN


> Suggestions?

RIP to the 836, even if it's only announcing a default route, a high-metric static default out of the ISDN, and dialer-watch?

If anything breaks in the path between the edge and the 836, the default route goes away, dialer-watch brings up the ISDN.  Route comes back, dialer-watch tears down the ISDN call.

It gets messier if your routing's more complex than that, but for a simple Internet access / default route scenario, it should be quite a clean setup.


Tim Franklin          ____________
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