From: David Miller <davem@davemloft.net>
To: eric.dumazet@gmail.com
Cc: cl@linux-foundation.org, netdev@vger.kernel.org, shemminger@vyatta.com
Subject: Re: [PATCH net-next-2.6] ipv4: add LINUX_MIB_IPRPFILTER snmp counter
Date: Thu, 03 Jun 2010 03:19:43 -0700 (PDT) [thread overview]
Message-ID: <20100603.031943.00479383.davem@davemloft.net> (raw)
In-Reply-To: <1275516327.29413.34.camel@edumazet-laptop>
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Thu, 03 Jun 2010 00:05:27 +0200
> [PATCH net-next-2.6] ipv4: add LINUX_MIB_IPRPFILTER snmp counter
>
> Christoph Lameter mentioned that packets could be dropped in input path
> because of rp_filter settings, without any SNMP counter being
> incremented. System administrator can have a hard time to track the
> problem.
>
> This patch introduces a new counter, LINUX_MIB_IPRPFILTER, incremented
> each time we drop a packet because Reverse Path Filter triggers.
>
> (We receive an IPv4 datagram on a given interface, and find the route to
> send an answer would use another interface)
>
> netstat -s | grep IPReversePathFilter
> IPReversePathFilter: 21714
>
> Reported-by: Christoph Lameter <cl@linux-foundation.org>
> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Applied.
next prev parent reply other threads:[~2010-06-03 10:19 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-01 21:13 [PATCH] IP: Increment INADDRERRORS if routing for a packet is not successful Christoph Lameter
2010-06-01 22:07 ` Eric Dumazet
2010-06-01 22:23 ` David Miller
2010-06-02 15:27 ` Christoph Lameter
2010-06-02 15:29 ` David Miller
2010-06-02 15:32 ` Eric Dumazet
2010-06-02 16:12 ` Christoph Lameter
2010-06-02 16:19 ` David Miller
2010-06-02 16:27 ` Christoph Lameter
2010-06-02 16:33 ` Eric Dumazet
2010-06-02 16:49 ` Christoph Lameter
2010-06-02 17:12 ` David Miller
2010-06-02 17:19 ` Eric Dumazet
2010-06-02 17:41 ` Neil Horman
2010-06-02 17:31 ` David Miller
2010-06-02 17:46 ` Eric Dumazet
2010-06-02 18:01 ` Christoph Lameter
2010-06-02 18:41 ` Eric Dumazet
2010-06-02 18:59 ` Christoph Lameter
2010-06-02 19:25 ` Eric Dumazet
2010-06-02 20:11 ` Christoph Lameter
2010-06-02 22:05 ` [PATCH net-next-2.6] ipv4: add LINUX_MIB_IPRPFILTER snmp counter Eric Dumazet
2010-06-03 10:19 ` David Miller [this message]
2010-06-03 3:50 ` [PATCH] IP: Increment INADDRERRORS if routing for a packet is not successful Bill Fink
2010-06-03 3:54 ` Eric Dumazet
2010-06-03 4:56 ` Bill Fink
2010-06-02 16:28 ` Eric Dumazet
2010-06-02 16:35 ` Christoph Lameter
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