Trying to create a redundant or failover connection. Limited DNS knowledge.

[/dev/rob0]

On Wednesday 10 March 2004 13:22, Dan wrote:
> Website, Mailserver, and DNS.  Currently, all DNS records point to
> the 1st T-1 (subnet 4.20.35.x), so if outside parties try to access
> our website or mailserver while our main T-1 is down, the name will
> not be resolved correctly.  How can I set up the servers so that if
> one line goes down, the other can pick up the slack including
> external DNS resolution?  Or, must I use a hardware device to

IIUC your question, the answer is simple. Make the 2nd T-1 another NS 
record for your domain[s], and run a slave nameserver on that.
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