Odd aliasing question

[Vince]

DAve wrote:
> I've looked but found no examples to give me confidence. While I have 
> lots of servers running alias IPs the IPs are all on the same network. 
> I've have been informed by my network admin that we will need to change 
> the IPs of our legacy name servers (we are just dragging them along for 
> a time, new name servers are up and domains are being moved to them).
> 
> Currently the IP of ns2 is 208.252.191.2, this needs to change to 
> 65.123.104.25. The network admin is telling me he will have the router 
> for that NOC cage handle both IPs no problems. However I need to 
> continue answering the old IP until clients can get their equipment 
> reconfigured.
> 
This will work fine.

> Can I alias 208.252.191.2 once I change the NIC's IP to 65.123.104.25 
> with a default route of 65.123.104.1?
> 
yes,
> What netmask would use for the alias line?
> 
Whatever you currently use for those IPs.

> This seems not possible to me, but you can learn something new everyday...
> 
I've been supporting servers for about 10 years and I'm still learning 
:) Thats why its still fun.

> Thanks,
> 
> DAve

Vince