From owner-freebsd-net  Tue Nov 20 18:37:21 2001
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Date: Tue, 20 Nov 2001 21:37:13 -0500 (EST)
From: Garrett Wollman <wollman@khavrinen.lcs.mit.edu>
Message-Id: <200111210237.fAL2bD042142@khavrinen.lcs.mit.edu>
To: Ian West <ian@niw.com.au>
Cc: freebsd-net@FreeBSD.ORG
Subject: expiring cached routes on in_pcb entries.
In-Reply-To: <20011121123232.Q80670@rose.niw.com.au>
References: <20011121123232.Q80670@rose.niw.com.au>
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<<On Wed, 21 Nov 2001 12:32:32 +1030, Ian West <ian@niw.com.au> said:

> I am looking at the ip_output routines, but so far cannot see any check
> for expiry of cached routes ? Can anyone point me in the right
> direction (or confirm they don't expire unless the route is physically
> unavailable ?)

Routes which are in use do not have timers on them, and therefore do
not expire.  However, if any route higher in the routing hierarchy
changes, the PCB routes should be deleted, and the next output
operation on that PCB should notice.

-GAWollman



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