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List:       ipfilter
Subject:    Re: Static routes & netmasks
From:       Darren Reed <darrenr () cyber ! com ! au>
Date:       1997-09-13 1:38:51
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In some mail I received from chrissh@NU.COM, sie wrote
> 
> 
> This is silly but perhaps theres some help for me...
> 
> I'm running Solaris 2.5.1 with multiple interfaces and i need to direct a
> segment of a class "B" license to a seperate interface.  So... I enter
> 
> route add net 172.30.161.0   204.167.80.50 1
> 
> /etc/netmasks includes
> 172.30.161.0  255.255.255.0
> 
> netstat -nr    yields
> 
> 172.30.0.0   204.167.80.50     (seems to ignore the netmask)
> 
> I've even tried to segment the whole class "B" in netmasks ie.
> 
> 172.30.0.0          255.255.128.0
> 172.30.128.0     255.255.32.0
> 172.30.160.0     255.255.255.0
> 172.30.161.0     255.255.255.0
> 
> This also fails..   I'm running strictly static rdisc  and routed  are shut
> down.  Routes are added in /etc/rc2.d/S69inet.
> Any Clues???????

2.5.1 doesn't support VLSM.  Masks used for routing are strictly limited
to those of the network interface and for sanity's sake, all of your
interfaces should have the same netmask.

btw, AFAIK, 2.6 does support VLSM.

Darren

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