Index: [Article Count Order] [Thread]

Date: Tue, 26 May 2009 09:33:59 +0800
From: wang_jiabo <jiabwang@redhat.com>
Subject: [users:01204] Re: Reg IPv6 Phase 2 : PMTU Interoperability Testing using NetBSD
To: users@tahi.org
Message-Id: <4A1B4707.90304@redhat.com>
In-Reply-To: <3f9723c40905242342o37e0efa0g94aa10ea360ad383@mail.gmail.com>
References: <3f9723c40905242342o37e0efa0g94aa10ea360ad383@mail.gmail.com>
X-Mail-Count: 01204

Srinidhi Gopal wrote:
> Hi,
>
> Has anyone used NetBSD machine for IPv6 Phase 2 Interoperability Testing?
>
> We are using NetBSD 4.0.1 as the other Target node for testing our 
> product.
>
> The following 2 test cases under PMTU category are failing.
>
> *Failures:*
>
> IP6Interop 1.6a
> IP6Interop 1.6b
>
> *Test Setup:*
>
>           TH1 / TR2 
>                 |
> -------------------------- (Network1) MTU 1500
>   |
> TR1
>   |
> --------------------------- (Network2) MTU 1280
>                   |
>             Ref-Host1 
>
> *Observations:*
>
> * The max PMTU size in NetBSD is 1280.
>
> *  When we transmit echo requests from Ref-Host1 to TH1/TR2 with data 
> size 1500, No "Packet Too Big" Messages are sent by our Router (TR1) 
> since the packets (size greater than 1280) are by default fragmented 
> irrespective of the MTU size configured on the interface.
>
> * Because of this behaviour of NetBSD stack, We are unable to complete 
> the interop testing of our product.
>
> Kindly help us in resolving this issue.
>
> -- 
> Regards,
> Srinidhi
I used NetBSD is no problem, I think REF-Host1 can any OS such as 
windows 2008, redhat linux.
only TAR-Host2 should only use NetBSD and FreeBSD.