[Leaplist] redundant internet connection

[Jason Boxman]

On Sunday 20 January 2008 01:00, Randall Perry wrote:
<snip>
> For ethernet interfaces (to the DSL and cable connections), you can
> pass traffic outbound in a round-robin approach (multipath routing).
> But because Linux caches routing info (for performance) you have to
> flush the dead path when it dies.  There is a kernel patch for this:
> http://www.ssi.bg/%7Eja/#routes

http://tinyurl.com/2zy4k6

Mulitpath works in Linux, but it's a bit complicated.  Instead of balancing I 
dedicated each of two connections to different network tasks.

<snip>
> 2. Dynamic DNS.  I had setup a not-for-profit I support to have a CVS
> backup to one of my servers (in a completely different city and on
> another ISP).  I configured them an account for dynamic DNS.  Then I
> setup ddclient to login and change the record if the connection died.
> Guaranteed no more than 5 minutes of downtime for email or web traffic
> (without paying for it).  Each box runs the script, so if the litmus
> test to check if it's up fails, that box logs in and sets the IP to be
> itself.
> This works great for remote and could work within the same building
> for different providers.
> And you also do NOT need static IP's at all.

I'm using this solution for remote backups with Dirvish and it's great.

-- 

Jason Boxman
http://edseek.com/ - Open Source (tm) guides and tutorials