hi, I am testing IOAM using https://github.com/CiscoDevNet/iOAM/tree/master/scripts/vpp_sandbox/example/simple-ip6
The problem seems to be similar with https://lists.fd.io/g/vpp-dev/topic/32270029#13405 in the decap node , run show trace: 01:50:03:884443: af-packet-input af_packet: hw_if_index 1 next-index 4 tpacket2_hdr: status 0x20000001 len 158 snaplen 158 mac 66 net 80 sec 0x6315b7b1 nsec 0x28340484 vlan 0 vlan_tpid 0 01:50:03:899730: ethernet-input IP6: 02:fe:3a:b9:10:a3 -> 02:fe:9e:f9:3f:59 01:50:03:899736: ip6-input IP6_HOP_BY_HOP_OPTIONS: db00::2 -> db03::2 tos 0x00, flow label 0x0, hop limit 62, payload length 104 01:50:03:899760: ip6-inacl INACL: sw_if_index 1, next_index 1, table 0, offset 1136 01:50:03:899765: ip6-lookup fib 0 dpo-idx 6 flow hash: 0x00000000 IP6_HOP_BY_HOP_OPTIONS: db00::2 -> db03::2 tos 0x00, flow label 0x0, hop limit 62, payload length 104 01:50:04:277506: ip6-hop-by-hop IP6_HOP_BY_HOP: next index 5 len 40 traced 40 Trace Type 0x9 , 0 elts left [0] ttl 0x3e node id 0x3 ts 0x22b8a724 [1] ttl 0x3f node id 0x2 ts 0x22b3756f [2] ttl 0x40 node id 0x1 ts 0x22a981c1 unrecognized option 29 length 6 01:50:04:277512: ip6-rewrite tx_sw_if_index 2 adj-idx 6 : ipv6 via db03::2 host-l_c2: mtu:9000 fa8d10d1350202fea018cdb086dd flow hash: 0x00000000 00000000: fa8d10d1350202fea018cdb086dd600000000068003ddb000000000000000000 00000020: 000000000002db0300000000000000000000000000023a043b1a09003e000003 00000040: 22b8a7243f00000222b3756f4000000122a981c11d0600000000005b00008000 00000060: 1b2900490001afb71563000000001c1c0e0000000000101112131415 01:50:04:277516: host-l_c2-output host-l_c2 l2_hdr_offset_valid l3_hdr_offset_valid IP6: 02:fe:a0:18:cd:b0 -> fa:8d:10:d1:35:02 IP6_HOP_BY_HOP_OPTIONS: db00::2 -> db03::2 tos 0x00, flow label 0x0, hop limit 61, payload length 104 I think the right trace in the above should to "ip6-export" and then "ip6-pop-hop-by-hop" I am using vpp 19.04, and if I change the version to 18.01 and get the right data. Is this a bug? and how can I fix it?
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