Routing problems on Solaris 2.4

Routing problems on Solaris 2.4

Post by John Vorsterma » Wed, 03 May 1995 04:00:00

I wonder if anyone has experienced similar problems and has an answer.

We are running Solaris 2.4 on an SS5 along with Morningstar PPP.  Most of
our users connect to us via PPP sessions over modems but a week ago we
switched from Sun 4.3.1 to Solaris 2.4.  Since then we have had continues  
problems with our routing.

When a PPP user establishes a conection a route is added for them but the
route is never deleted and thus when they call back they are unable to
do anything because off the old routing entry.

We have tried to manually remove the route but route simple tells us that there
is no such route while you can still see it in the routing tables.

We are running the standard route daemons etc.

If anyone can help us or has come across this we would appreciate any light
you can throw on the subject.


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1. Problems with routing in a Solaris 2.4 box

I have a Sun box running Solaris 2.4 which acts as a router. Both interfaces
has a subnetted class B address

le0 is aaa.bbb.96.2 with mask (net is aaa.bbb.96.0)
le1 is aaa.bbb.96.10 with the same mask       (net is aaa.bbb.96.8)

My static routing is

default      aaa.bbb.96.9       (works ok)
aaa.ccc.0.0  aaa.bbb.96.1       (works ok)
aaa.bbb.0.0  aaa.bbb.96.1       (fails, uses default route)
aaa.bbb.96.0 aaa.bbb.96.2       (works ok)
aaa.bbb.96.8 aaa.bbb.96.10      (works ok)

I can't seem to be able to route to the rest of aaa.bbb network thru
aaa.bbb.96.1, everything to this network (except for my direct nets) goes to
default route. Is this because Solaris ignores netmasks in /etc/netmasks for
this net ? I've tried /etc/netmasks like :


but all I get is wrong netmask for my two local nets.

Any help appreciated.

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