[AusNOG] Fail-over DSL Question

[Steve Smith]

> A lot of you have mentioned the use of Cisco 1841 w/ 2x HWIC-1ADSL-M in order to effectively bond the interfaces together. Great idea
> but not quite what we are after but they are slightly outside of our price range and mostly overkill for what we want.

If you have a second ADSL link (which you mentioned as a possibility)
you can just use two Cisco 877 modems with HSRP/VRRP.  Using IOS SLAs
you can use arbitrary definitions of a link being 'down'; e.g. whether
the ISPs DNS server is contactable.  I wrote some details on doing
this here:

    http://blogs.atlassian.com/developer/2007/06/clustering_cisco_routers_with.html

Cheers,
Steve