Thanks, this really helped to resolve issue ________________________________ От: Dave Barach (dbarach) <dbar...@cisco.com> Отправлено: 30 сентября 2019 г. 14:35:57 Кому: Юрий Иванов <format_...@outlook.com>; Vpp-dev@lists.fd.io <Vpp-dev@lists.fd.io> Тема: RE: Need help to configure NAT44, reply packets not working
I’d suggest using the packet tracer to see what happens to the return-path traffic. “trace add dpdk-input 100”, send a ping, then “show trace”. HTH... Dave From: vpp-dev@lists.fd.io <vpp-dev@lists.fd.io> On Behalf Of ???? ?????? Sent: Monday, September 30, 2019 3:43 AM To: Vpp-dev@lists.fd.io Subject: [vpp-dev] Need help to configure NAT44, reply packets not working Hi, I've configured NAT44 in lab to test it out before using it in production: set interface nat44 in GigabitEthernet0/3/0 set interface nat44 out GigabitEthernet0/4/0 set int ip address GigabitEthernet0/3/0 10.0.0.1/31 set int state GigabitEthernet0/3/0 up bfd udp session add interface GigabitEthernet0/3/0 local-addr 10.0.0.1 peer-addrr 10.0.0.0 desired-min-tx 100000 required-min-rx 100000 detect-mult 3 set int ip address GigabitEthernet0/4/0 18.46.159.2/26 set int state GigabitEthernet0/4/0 up ip route add 10.0.0.0/8 via 10.0.0.0 GigabitEthernet0/3/0 ip route add 0.0.0.0/0 via 18.46.159.1 GigabitEthernet0/4/0 set interface nat44 in GigabitEthernet0/3/0 set interface nat44 out GigabitEthernet0/4/0 nat44 add address 18.46.159.10 - 18.46.159.20 I can see that packet is arriving to remote host as expected and host replies back: *Sep 30 07:25:03.441: ICMP: echo reply sent, src 8.1.160.2, dst 18.46.159.20, topology BASE, dscp 0 topoid 0 *Sep 30 07:25:04.449: ICMP: echo reply sent, src 8.1.160.2, dst 18.46.159.20, topology BASE, dscp 0 topoid 0 But my host with private address (10.9.1.168) doesn't see it. Looks like VPP host doesn't translate backwards icmp. Can someone please help? P.S. Sorry if I post message to incorrect group.
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