NetBSD Problem Report #13523

Received: (qmail 9710 invoked from network); 21 Jul 2001 12:31:49 -0000
Message-Id: <20010721123342.8B5F67BB@starfruit.itojun.org>
Date: Sat, 21 Jul 2001 21:33:42 +0900 (JST)
From: itojun@itojun.org
Reply-To: itojun@itojun.org
To: gnats-bugs@gnats.netbsd.org
Subject: route -genmask does not take effect on PMTUD (both ipv4/v6)
X-Send-Pr-Version: 3.95

>Number:         13523
>Category:       kern
>Synopsis:       route -genmask does not take effect on PMTUD (both ipv4/v6)
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    kern-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Sat Jul 21 12:32:00 +0000 2001
>Closed-Date:    
>Last-Modified:  
>Originator:     Jun-ichiro itojun Hagino
>Release:        1.5.1 and 1.5W
>Organization:
	itojun.org
>Environment:
System: NetBSD starfruit.itojun.org 1.5.1 NetBSD 1.5.1 (STARFRUIT) #117: Sat Jul 21 14:27:50 JST 2001 itojun@starfruit.itojun.org:/usr/home/itojun/k/kame/netbsd/sys/arch/i386/compile/STARFRUIT i386
Architecture: i386
Machine: i386
>Description:
	due to the way PMTUD is implemented in netbsd (and openbsd),
	route -genmask does not have meaningful behavior.

	see p611 of TCP/IP illustrated vol II for the expected behavior -
	genmask setting can give us fewer PMTUD routes.
>How-To-Repeat:
>Fix:
	i will look at it.
>Release-Note:
>Audit-Trail:
>Unformatted:

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