From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Miller <davem@davemloft.net>
Subject: Re: [net-next][PATCH] tcp: probe timer MUST not less than 5
 minuter for tcp PMTU
Date: Mon, 04 Jun 2018 10:59:26 -0400 (EDT)
Message-ID: <20180604.105926.1282718735656407377.davem@davemloft.net>
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From: Li RongQing <lirongqing@baidu.com>
Date: Fri,  1 Jun 2018 19:03:59 +0800

> RFC4821 say: The value for this timer MUST NOT be less than
> 5 minutes and is recommended to be 10 minutes, per RFC 1981.
> 
> Signed-off-by: Li RongQing <lirongqing@baidu.com>

As Eric stated, admins should be allowed to set this however they
wish (f.e. for specialized tests).