Here are the results:
Count Node Reason
10240 nat44-in2out-slowpath Good in2out packets
processed
7847236 nat44-in2out-slowpath Maximum sessions exceeded
23864696 nat44-in2out Good in2out packets
processed
10240 nat44-in2out-slowpath Good in2out packets
processed
7846673 nat44-in2out-slowpath Maximum sessions exceeded
23864371 nat44-in2out Good in2out packets
processed
It seems the number of maximum sessions limits. I just updated from an
older version to the latest by pulling from https://gerrit.fd.io/r/vpp3
days ago. I did not change the configuration file that I used before. Is
there any default parameter value change?
On Mon, Oct 30, 2017 at 1:29 AM, Matus Fabian -X (matfabia - PANTHEON
TECHNOLOGIES at Cisco) <matfa...@cisco.com> wrote:
> Hi,
>
>
>
> Are you on latest?
>
> Could you please provide “show node counters” output.
>
>
>
> Regards,
>
> Matus
>
>
>
>
>
> *From:* vpp-dev-boun...@lists.fd.io [mailto:vpp-dev-boun...@lists.fd.io] *On
> Behalf Of *Yuliang Li
> *Sent:* Saturday, October 28, 2017 8:48 PM
> *To:* vpp-dev@lists.fd.io
> *Subject:* [vpp-dev] nat44 address pool not fully used
>
>
>
> Hi,
>
>
>
> I use "nat44 add addr 10.1.1.2-10.1.1.254", in the hope that in2out
> traffic can use any of the source IP in the range.
>
>
>
> However, when I generate in2out traffic composing 65536 different internal
> source IP (with the same source port), only 10.1.1.2 is used for external
> source IP, and allocated 20162 port number. That means only 20162 internal
> IP get translated, while the rest are dropped. I am wondering why it does
> not allocate other addresses in the pool (e.g., 10.1.1.3)?
>
>
>
> Here are the output of show nat44 detail:
>
> 10.1.1.2
>
> tenant VRF independent
>
> 0 busy udp ports
>
> 20162 busy tcp ports
>
> 0 busy icmp ports
>
> 10.1.1.3
>
> tenant VRF independent
>
> 0 busy udp ports
>
> 0 busy tcp ports
>
> 0 busy icmp ports
>
> .... (all following shows 0 busy ports).
>
>
>
> Thanks,
>
> --
>
> Yuliang Li
>
> PhD student
>
> Department of Computer Science
>
> Yale University
>
--
Yuliang Li
PhD student
Department of Computer Science
Yale University
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