From: Patrick McHardy <kaber@trash.net>
To: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Linux Netdev List <netdev@vger.kernel.org>
Subject: Re: IPsec PMTUD problem
Date: Thu, 05 Apr 2007 14:16:53 +0200 [thread overview]
Message-ID: <4614E8B5.60009@trash.net> (raw)
In-Reply-To: <20070405121256.GD10972@gondor.apana.org.au>
Herbert Xu wrote:
> On Thu, Apr 05, 2007 at 02:09:20PM +0200, Patrick McHardy wrote:
>
>>>One possible solution is to not send MTU errors to ourselves since
>>>we it wouldn't give us any new information. We'd need to audit the
>>>users of icmp_send to make sure that there isn't a legitimate case
>>>where we'd want to do that.
>>
>>One such case is delivery of errors to sockets. We'd need to make
>>sure the errors are delivered some other way.
>
>
> Alternatively we can still send the ICMP error but avoid a PMTU
> update if we received it from ourselves.
That sounds easier. I'm currently working in that area anyway, I'll
give it a try.
next prev parent reply other threads:[~2007-04-05 12:16 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-04-02 14:10 IPsec PMTUD problem Patrick McHardy
2007-04-03 9:55 ` Herbert Xu
2007-04-03 16:32 ` Patrick McHardy
2007-04-05 12:04 ` Herbert Xu
2007-04-05 12:09 ` Patrick McHardy
2007-04-05 12:12 ` Herbert Xu
2007-04-05 12:16 ` Patrick McHardy [this message]
2007-04-05 12:17 ` Herbert Xu
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