From owner-freebsd-net  Wed Sep  2 20:03:43 1998
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Date: Wed, 2 Sep 1998 20:01:47 -0700 (PDT)
From: Tom <tom@uniserve.com>
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To: Don <don@calis.BlackSun.org>
cc: Alex Kwan <kwanalex@hkstar.com>, freebsd-net@FreeBSD.ORG,
        freebsd-stable@FreeBSD.ORG
Subject: Re: How to add route 
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On Wed, 2 Sep 1998, Don wrote:

> > I use the linux command (I was a linux user before) : 
> > route add -net 192.168.1.0 netmask 255.255.255.0 ed0
> the command should be:
> route add -net <network> -netmask <netmask> -interface <interface>
> or in your case:
> route add -net 192.168.1.0 -netmask 255.255.255.0 -interface ed0

  In most cases the "-net" bit is not required.  "Classic UNIX" route
syntax is:

route add 192.168.1.0 192.168.1.1     (where 192.168.1.1 is the gateway).

  When UNIX went classless, the "-netmask" param was added, so the netmask
of the route could be specified.  Since then most Unixes have adopted
(including FreeBSD) the more convienent, "/bits" syntax:

route add 192.168.1.0/24 192.168.1.1

> the -interface flag is required for the route addition and netmask

  Interface flags is NOT required.  The interface should always be implied
by the gateway address anyhow.  Using the "-interface" flag can do funny
things.  In fact, it is only recent that "-interface" even works on
FreeBSD.

> requires a - in front of it to signal the flag.
> 
> -don

Tom


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