Re: [PATCH 00/12] ipvs: changes for local server and local client

[Hans Schillstrom <hans.schillstrom@ericsson.com>]

Hi Julian

On Sunday 17 October 2010 15:12:21 Julian Anastasov wrote:
>
>  	Hello,
>
>  	The following patches fix some bugs (patch 1 and 2),
> add support for NAT to local real server, add handlers in
> LOCAL_OUT to properly schedule connections from local clients.
> Currently, patch 9 and 10 add these handlers in LOCAL_OUT
> without any configuration, i.e. we add code in OUTPUT hook
> which is not good for the performance of non-IPVS traffic.
> May be some config option that enables support for DNAT
> to local servers and for local clients can help for this.
>
>  	The patches are against recent nf-next and require
> the "ipvs: IPv6 tunnel mode" patch. They are tested
> and can be applied to nf-next after review/comments.
>
> What works:
>
> - NAT to local real server, even with different port, from local
> or remote client
>
> - local client:
>  	- NAT, DR, TUN
>
>  	- from LOCAL_OUT, needs client to bind socket
>  	to non-VIP address before connecting if DR/TUN servers are
>  	used because the output routing before OUTPUT hook
>  	selects VIP as source address ignoring any preferred source
>  	addresses, even if the local route is replaced.
>
> Not tested: IPv6. I'll need help here from people with IPv6 setups.
>

I can help you with some IPv6 testing this week.

I would be nice to change the IPv6 address print format from %pI6 to %pI6c to get a more compact debug output.

> Remaining problems:
>
> - IPv6 defragmentation: still not implemented, we rely on netfilter defrag
>
> Regards
>
> --
> Julian Anastasov <ja@ssi.bg>
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--
Regards
Hans Schillstrom <hans.schillstrom@ericsson.com>