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From: Stephen Hemminger <shemminger@vyatta.com>
To: Ed W <lists@wildgooses.com>
Cc: Jan Engelhardt <jengelh@medozas.de>,
	Simon Chen <simonchennj@gmail.com>,
	netfilter@vger.kernel.org
Subject: Re: increase the number of routing tables
Date: Sun, 29 Jan 2012 16:31:51 -0800	[thread overview]
Message-ID: <20120129163151.416035ef@nehalam.linuxnetplumber.net> (raw)
In-Reply-To: <4F25D52B.1050701@wildgooses.com>

On Sun, 29 Jan 2012 23:24:27 +0000
Ed W <lists@wildgooses.com> wrote:

> On 29/01/2012 11:50, Jan Engelhardt wrote:
> > On Sunday 2012-01-29 03:23, Simon Chen wrote:
> >
> >> Hey folks,
> >>
> >> To my limited knowledge, Linux currently supports 256 (255?) routing
> >> tables defined in /etc/iproute2/rt_tables.
> > There are 2147483647.
> >
> 
> Any reason why it's not an unsigned 32bit int? (surely there is a corner 
> case where this is useful...)
> 
> Ed W

The 8 bit value is enshrined in the API for 'struct rtmsg' and therefore
increasing it would break existing applications. 

  reply	other threads:[~2012-01-30  0:31 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-01-29  2:20 increase the number of routing tables Simon Chen
2012-01-29  2:23 ` Simon Chen
2012-01-29 11:50   ` Jan Engelhardt
2012-01-29 23:24     ` Ed W
2012-01-30  0:31       ` Stephen Hemminger [this message]
2012-01-30  2:02         ` Jan Engelhardt
2012-01-30 16:14           ` Stephen Hemminger
2012-01-30 18:57             ` Jan Engelhardt
2012-01-30 19:21               ` Stephen Hemminger
2012-01-29  2:41 ` Eric Dumazet
2012-01-29  2:46   ` Ben Greear
2012-01-29  4:20     ` Simon Chen
2012-01-29 19:26       ` Ben Greear
2012-01-31  3:06         ` Simon Chen
2012-01-29 21:02       ` David Miller
2012-01-29 21:01     ` David Miller
2012-01-30 17:26       ` Ben Greear
2012-01-30 17:36         ` David Miller
2012-01-30 12:25   ` Thomas Graf
2012-01-30 12:44     ` Eric Dumazet

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