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Re: [lwip-devel] [lwip-commits] lwip/src/core/ipv6 ip6.c
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From: |
H. Peter Anvin |
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Subject: |
Re: [lwip-devel] [lwip-commits] lwip/src/core/ipv6 ip6.c |
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Date: |
Tue, 28 Jun 2011 14:24:30 -0700 |
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User-agent: |
Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.17) Gecko/20110428 Fedora/3.1.10-1.fc15 Thunderbird/3.1.10 |
On 06/25/2011 11:50 AM, address@hidden wrote:
> Ivan Delamer wrote:
>> Modified files:
>> src/core/ipv6 : ip6.c
>>
>> Log message:
>> Don't forward IPv6 packets that are larger than outgoing MTU, send
>> ICMPv6 message back for Path MTU discovery.
>
> I think this is a problem for IPv4, too. Shouldn't we call ip(6)_frag()
> if the mtu is exceeded?
>
No, in IPv6 fragmentation is only done at the originating host, for
better or worse.
-hpa
--
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel. I don't speak on their behalf.