netdev - Re: Multicast and hardware checksum

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Date:	Fri, 08 Jun 2007 16:20:02 +1000
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	baruch@...en.org (Baruch Even)
Cc:	netdev@...r.kernel.org
Subject: Re: Multicast and hardware checksum

Baruch Even <baruch@...en.org> wrote:
> 
> I have a machine on which I have an applications that sends multicast 
> through eth interface with hardware tx checksum enabled. On the same 
> machine I have mrouted running that routes the multicast traffic to a 
> set of ppp interfaces. The packets that are received by the client have 
> their checksum fixed on some number which is incorrect. If I disable tx 
> checksum on the eth device the packets arrive with the proper checksum.

Where is the client? On the same machine or behind a PPP link?

Cheers,
-- 
Visit Openswan at http://www.openswan.org/
Email: Herbert Xu ~{PmV>HI~} <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
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