Interesting network problem

[Konstantin Svist]

David G. Mackay wrote:
> I have a netopia 2241N dsl modem provided by my ISP (AT&T), which I
> access through an ethernet port.  The unit can be configured in pass
> through mode so that the public internet address is bridged, i.e. my
> ethernet card is assigned the public address.  This has been working
> well for some time now.
>
> There was a network outage the other day, and when service was restored,
> the gateway on the remote side had changed.  The fun part is that the
> gateway is on a different class A ip net than my public ip.  I can
> resolve all that by doing:
> route add -net e.f.g.h netmask 255.0.0.0 dev ethx
> route add default gw e.f.g.h
> where e.f.g.h is the external gateway ip.
> This borks up the /etc/sysconfig/network-scripts/ifcfg-ethx scripting.
>
> Is there a better way to handle this, other than kludging things in
> rc.local?
>   
Normally, DHCP takes care of these little problems.. but if you're not 
using it (and using static IP config instead), just use the GUI utility 
system-config-network - it
should set all these values correctly