Re: Incoming PPP question - subnetting
Kevin Traas wrote:
>
> >Hmmm. What's the netmask on the ethernet interface? If it's set to
> >255.255.255.224 then everything should work fine even though
>
> Yes, it is.
Then NT's routing algorithm is wrong or there are other routes afoot.
Run netstat -r on the NT box to verify that the routes to the
ethernet interface have 255.255.255.224 as the netmask.
> >the NT box sets 255.255.255.0 on the PPP link. This is because the
> >routing algorithm chooses the route with the most matching bits (that
> >is, the one with the longest netmask). Let me know.
>
> Interesting thought. I'll give this a try.
>
> I've got things working right now by setting up the PPP connection and then
> manually setting routes on each end. However, if I can automate this, that
> would be great.
>
> With your msg above, I may not have to make any changes on the NT dialin
> box/router. I'll let you know.
>
> On this subject, though.... Right now, the NT box dials into the modem pool
> via PPP. Is there any way I can have the Linux box (PPP "server") setup a
> static route to the NT subnet at the time the NT box dials in? (I could set
> up a script running in the background with a sleep 60 or so that looks to
> see who's logged in and configures the routing table based on that, but this
> would be quite a "hack" - there's got to be a better way....)
Sure, you can give pppd the path to an "ip-up" and an "ip-down"
script which will be called when the connection comes up.
--
Jens B. Jorgensen
jjorgens@bdsinc.com
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