Technically, true, but for all intents and purposes, on networks such as we
commonly discuss here, default route=gateway of last restort. Easily
justified oversimplification! (=:
However, you are right and I will stop equating them in future
messages................Ian
> Ian Cottrell wrote:
> >
> > Doug
> > How about posting your /etc/sysconfig/network-scripts/ifcfg-eth* files?
> > As someone else pointed out, you are trying to use your 2 machines as
> > gateways, which will not work. You need only one gateway defined, that
> > being the default route or 'gateway of last resort'..................Ian
>
> Ian,
>
> Not to get too picky; but since you seem to equate default route and gw of
> last resort.... :^)
>
> Oversimplified:
>
> Default route: direction to send traffic when the target is not "contained"
> within existing route table entries; usually to a specific gw (just out say
> "eth0" requires proxy ARP). Actually, it is contained within 0.0.0.0/0.0.0.0
>
> Default network: "A router that is generating the default for a network also
> may need a default of its own. One way of doing this is to specify a static
> route to the network 0.0.0.0 through the appropriate router."**
>
> Gateway of last resort: not available to RIPv1 (only one choice -- 0.0.0.0).
> With more complex routing protocols, "there might be several networks that can
> be candidates for the system default. The router uses both administrative
> distance and metric information to determine the default route (gateway of
> last resort)."** As in: several default routes, one of which is "last
> resort".
>
> ** See also:
> http://www.cisco.com/univercd/cc/td/doc/product/software/ios11/cbook/ciproute.
> htm#xtocid16743154
>
> HTH,
> Pierre
