Hi, Could you please send me output of `show version` command and your NAT configuration. There is a use case when this behavior is expected.
Best regards, Filip [https://www.cisco.com/c/dam/m/en_us/signaturetool/images/logo/Cisco_Logo_no_TM_Cisco_Blue-RGB_43px.png] Filip Varga Engineer - Software fiva...@cisco.com<mailto:fiva...@cisco.com> Tel: Cisco Systems, Inc. Slovakia cisco.com [http://www.cisco.com/assets/swa/img/thinkbeforeyouprint.gif] Think before you print. This email may contain confidential and privileged material for the sole use of the intended recipient. Any review, use, distribution or disclosure by others is strictly prohibited. If you are not the intended recipient (or authorized to receive for the recipient), please contact the sender by reply email and delete all copies of this message. Please click here<http://www.cisco.com/c/en/us/about/legal/terms-sale-software-license-agreement/company-registration-information.html> for Company Registration Information. From: vpp-dev@lists.fd.io <vpp-dev@lists.fd.io> On Behalf Of baixiaop...@ekean.cn Sent: Tuesday, December 17, 2019 8:25 AM To: vpp-dev@lists.fd.io Subject: [vpp-dev] Doubts about NAT #nat44 #nat I'm testing the NAT feature, and after configuring the NAT, the trace information is as follows below， Why is the nat44-in2out-worker-handoff node followed by the nat44-out2in node instead of the nat44-in2out node? P.S: trace information Packet 1 02:23:07:173961: af-packet-input af_packet: hw_if_index 7 next-index 4 tpacket2_hdr: status 0x20000001 len 98 snaplen 98 mac 66 net 80 sec 0x5df85360 nsec 0x2e9e94c8 vlan 0 vlan_tpid 0 02:23:07:173970: ethernet-input IP4: 42:64:0a:23:df:a3 -> de:ad:00:00:00:00 02:23:07:173975: l2-input l2-input: sw_if_index 7 dst de:ad:00:00:00:00 src 42:64:0a:23:df:a3 02:23:07:173979: l2-learn l2-learn: sw_if_index 7 dst de:ad:00:00:00:00 src 42:64:0a:23:df:a3 bd_index 3 02:23:07:173983: l2-fwd l2-fwd: sw_if_index 7 dst de:ad:00:00:00:00 src 42:64:0a:23:df:a3 bd_index 3 result [0x70000000a, 10] static age-not bvi 02:23:07:173987: ip4-input ICMP: 10.10.0.1 -> 10.10.1.1 tos 0x00, ttl 64, length 84, checksum 0xcdaa fragment id 0x57e9, flags DONT_FRAGMENT ICMP echo_request checksum 0x5686 02:23:07:173991: nat44-in2out-worker-handoff NAT44_IN2OUT_WORKER_HANDOFF : next-worker 1 trace index 0 02:23:07:173999: nat44-out2in NAT44_OUT2IN: sw_if_index 10, next index 0, session index -1 02:23:07:174005: error-drop rx:loop0 02:23:07:174008: drop nat44-out2in: no translation Best Regards!!!
-=-=-=-=-=-=-=-=-=-=-=- Links: You receive all messages sent to this group. View/Reply Online (#14908): https://lists.fd.io/g/vpp-dev/message/14908 Mute This Topic: https://lists.fd.io/mt/68755389/21656 Mute #nat44: https://lists.fd.io/mk?hashtag=nat44&subid=1480452 Mute #nat: https://lists.fd.io/mk?hashtag=nat&subid=1480452 Group Owner: vpp-dev+ow...@lists.fd.io Unsubscribe: https://lists.fd.io/g/vpp-dev/unsub [arch...@mail-archive.com] -=-=-=-=-=-=-=-=-=-=-=-
