Hi,

> Thanks, it seems that there is no icmp procedure in det nat, why is it like 
> this?

Yes, there should be ICMP support.

E.g. through:

commit b33f413af46ec8dff7f222dbd5bc3bcec1502d3d
Author: Juraj Sloboda <jslob...@cisco.com>
Date:   Wed Feb 8 23:54:21 2017 -0800

    Add handling of ICMP error packets in SNAT (VPP-629)

    Change-Id: I8d2022b7cb3ef3da736c085bccbb5b9c057a8d76
    Signed-off-by: Juraj Sloboda <jslob...@cisco.com

There are quite a few ICMP additions after that, also for deterministic CGN.

What problem are you seeing?

Best regards,
Ole


> 
> 
> Regards,
> Ewan
> ewan
> 
> From: otroan
> Date: 2017-04-25 16:06
> To: yugang
> CC: vpp-dev
> Subject: Re: [vpp-dev] five tuple nat
> Ewan,
> 
> > Do we have any plan to surpport  five tuple nat like linux kernel?
> 
> That should already be supported in the SNAT plugin.
> https://wiki.fd.io/view/VPP/SNAT
> 
> Best regards,
> Ole

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