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Date:	Mon, 25 Jun 2007 16:10:14 +0200
From:	Eric Dumazet <dada1@...mosbay.com>
To:	Varun Chandramohan <varunc@...ux.vnet.ibm.com>
Cc:	netdev@...r.kernel.org, sri@...ibm.com, dlstevens@...ibm.com,
	varuncha@...ibm.com
Subject: Re: [PATCH] Age Entry For IPv4 Route Table

On Mon, 25 Jun 2007 10:28:38 +0530
Varun Chandramohan <varunc@...ux.vnet.ibm.com> wrote:

> According to the RFC 4292 (IP Forwarding Table MIB) there is a need for an age entry for all the routes in the routing table. The entry in the RFC is inetCidrRouteAge and oid is inetCidrRouteAge.1.10.
> Many snmp application require this age entry. So iam adding the age field in the routing table and providing
> the interface for this value via /proc/net/route.
> 

Hi Varun

If you find a way to expose this information without breaking /proc/net/route, please consider that jiffies can wrap
every 49 days on 32 bit platforms.
So you probably want to use an other time infrastructure if you want meaningfull Age information.
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