Hi there, Would you be able to enable packet tracing in VPP and post that?
Cheers, Ole > On 18 Oct 2018, at 10:12, JB <john.bisce...@bahnhof.net> wrote: > > Hello, > > We've got a NAT44 setup configured with separate local and outside linknets, > where the internal NAT pool resides on a different subnet and is translated > to an outside different subnet. > > When sending, in this case ICMP packets of size 1500 bytes, to 8.8.8.8 we get > no response back from the target. However, if we decrease size to 1472, it > works. 1500 is including headers (total packet size is 1500). > > When sending packets of size 1500 towards 8.8.8.8, the initial returning > packet is 1468 and marked as fragmented with more fragments to come. > When sending packets of size 1472 towards 8.8.8.8 all the returning packets > are of size 1472 > > The result of sending packets of size 1500 towards 8.8.8.8 is that we get > them back fragmented, and for some reason, not received correctly by the > internal device, whether not passed through out2in properly or not > reassembled properly. > > Please feel free to attempt reproducing the above and let me know if you need > more info. Any thoughts? -=-=-=-=-=-=-=-=-=-=-=- > Links: You receive all messages sent to this group. > > View/Reply Online (#10864): https://lists.fd.io/g/vpp-dev/message/10864 > Mute This Topic: https://lists.fd.io/mt/27400627/675193 > Mute #vpp_stability: > https://lists.fd.io/mk?hashtag=vpp_stability&subid=1480722 > Group Owner: vpp-dev+ow...@lists.fd.io > Unsubscribe: https://lists.fd.io/g/vpp-dev/unsub [otr...@employees.org] > -=-=-=-=-=-=-=-=-=-=-=-
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