HI VPP-DEV team, ubuntu 20.04 vpp v22.06-rc0~79-g48bdf24ad
I have my ubuntu 20.04 running the latest VPP code. The ubuntu machine is connected to a router. I have a static vxlan tunnel configured between bare metal and VPP. The tunnel is up. Now I have created a loop5007 and added the vxlan tunnel in the same BD. Ping is failing from external router to the loopback behind vxlan in VPP. I see that l2 mac learning is happening on VPP but ping is failing. Can you please suggest what went wrong here VPP trace: create loopback interface instance 0 lcp create loop0 host-if loop0 set interface state loop0 up set interface ip address loop0 2001:db8::1/64 set interface ip address loop0 192.0.2.1/24 ( http://192.0.2.1/24 ) create bond mode lacp load-balance l34 id 0 set interface state TenGigabitEthernetd8/0/0 up set interface state TenGigabitEthernet5e/0/0 up bond add BondEthernet0 TenGigabitEthernetd8/0/0 long-timeout bond add BondEthernet0 TenGigabitEthernet5e/0/0 long-timeout lcp create BondEthernet0 host-if bond0 create sub-interfaces BondEthernet0 80 lcp create BondEthernet0.80 host-if bond0.80 create sub-interfaces BondEthernet0 70 lcp create BondEthernet0.70 host-if bond0.70 set interface state BondEthernet0 up set interface ip address BondEthernet0.70 172.16.101. 229/24 ( http://172.16.101.229/24 ) set interface state BondEthernet0.70 up create vxlan tunnel src 172.16.101.229 dst 172.12.168.9 vni 5007 decap-next l2 create bridge-domain 5007 learn 1 forward 1 flood 1 arp-term 1 bd-tag 5007 create loopback interface mac cc:cc:cc:dd:dd:01 instance 5007 set interface mtu packet 9000 vxlan_tunnel0 set interface state vxlan_tunnel0 up set interface l2 bridge vxlan_tunnel0 5007 set interface l2 bridge loop5007 5007 set interface ip address loop5007 192.168.7.9/24 ( http://192.168.7.9/24 ) set interface state loop5007 up Packet 12 00:43:02:602880: dpdk-input TenGigabitEthernet5e/0/0 rx queue 0 buffer 0x4c3fd8: current data 0, length 152, buffer-pool 0, ref-count 1, trace handle 0xb ext-hdr- valid PKT MBUF: port 0, nb_segs 1, pkt_len 152 buf_len 2176, data_len 152, ol_flags 0x180, data_off 128, phys_addr 0x130ff680 packet_type 0x291 l2_len 0 l3_len 0 outer_l2_len 0 outer_l3_len 0 rss 0x0 fdir.hi 0x0 fdir.lo 0x0 Packet Offload Flags PKT_RX_IP_CKSUM_GOOD (0x0080) IP cksum of RX pkt. is valid PKT_RX_IP_CKSUM_NONE (0x0090) no IP cksum of RX pkt. PKT_RX_L4_CKSUM_GOOD (0x0100) L4 cksum of RX pkt. is valid PKT_RX_L4_CKSUM_NONE (0x0108) no L4 cksum of RX pkt. Packet Types RTE_PTYPE_L2_ETHER (0x0001) Ethernet packet RTE_PTYPE_L3_IPV4_EXT_ UNKNOWN (0x0090) IPv4 packet with or without extension headers RTE_PTYPE_L4_UDP (0x0200) UDP packet IP4: 2c:f8:9b:57:a5:df -> 3c:fd:fe:e1:61:08 802.1q vlan 70 UDP: 172.12.168.9 -> 172.16.101.229 tos 0x00, ttl 253, length 134, checksum 0x75be dscp CS0 ecn NON_ECN fragment id 0x7ee3, flags DONT_FRAGMENT UDP: 58360 -> 4789 length 114, checksum 0x0000 00:43:02:602892: bond-input src 2c:f8:9b:57:a5:df, dst 3c:fd:fe:e1:61:08, TenGigabitEthernet5e/0/0 -> BondEthernet0 00:43:02:602980: ethernet-input IP4: 2c:f8:9b:57:a5:df -> 3c:fd:fe:e1:61:08 802.1q vlan 70 00:43:02:603046: ip4-input UDP: 172.12.168.9 -> 172.16.101.229 tos 0x00, ttl 253, length 134, checksum 0x75be dscp CS0 ecn NON_ECN fragment id 0x7ee3, flags DONT_FRAGMENT UDP: 58360 -> 4789 length 114, checksum 0x0000 00:43:02:603110: ip4-lookup fib 0 dpo-idx 14 flow hash: 0x00000000 UDP: 172.12.168.9 -> 172.16.101.229 tos 0x00, ttl 253, length 134, checksum 0x75be dscp CS0 ecn NON_ECN fragment id 0x7ee3, flags DONT_FRAGMENT UDP: 58360 -> 4789 length 114, checksum 0x0000 00:43:02:603184: ip4-receive UDP: 172.12.168.9 -> 172.16.101.229 tos 0x00, ttl 253, length 134, checksum 0x75be dscp CS0 ecn NON_ECN fragment id 0x7ee3, flags DONT_FRAGMENT UDP: 58360 -> 4789 length 114, checksum 0x0000 00:43:02:603261: ip4-udp-lookup UDP: src-port 58360 dst-port 4789 00:43:02:603342: vxlan4-input VXLAN decap from vxlan_tunnel0 vni 5007 next 1 error 0 00:43:02:603421: l2-input l2-input: sw_if_index 12 dst cc:cc:cc:dd:dd:01 src 88:d9:8f:25:f9:25 [l2-learn l2-fwd l2-flood arp-term-l2bd l2-flood ] 00:43:02:603502: l2-learn l2-learn: sw_if_index 12 dst cc:cc:cc:dd:dd:01 src 88:d9:8f:25:f9:25 bd_index 1 00:43:02:603591: l2-fwd l2-fwd: sw_if_index 12 dst cc:cc:cc:dd:dd:01 src 88:d9:8f:25:f9:25 bd_index 1 result [0x113000000000d, 13] none 00:43:02:603683: l2-output l2-output: sw_if_index 13 dst cc:cc:cc:dd:dd:01 src 88:d9:8f:25:f9:25 data 08 00 45 00 00 54 e0 ac 00 00 40 01 00:43:02:603778: loop5007-output loop5007 IP4: 88:d9:8f:25:f9:25 -> cc:cc:cc:dd:dd:01 ICMP: 192.168.7.10 -> 192.168.7.9 tos 0x00, ttl 64, length 84, checksum 0x0a99 dscp CS0 ecn NON_ECN fragment id 0xe0ac ICMP echo_request checksum 0x7ef8 id 18117 00:43:02:603992: l2-input l2-input: sw_if_index 13 dst cc:cc:cc:dd:dd:01 src 88:d9:8f:25:f9:25 [l2-learn l2-fwd l2-flood arp-term-l2bd l2-flood ] 00:43:02:604154: l2-learn l2-learn: sw_if_index 13 dst cc:cc:cc:dd:dd:01 src 88:d9:8f:25:f9:25 bd_index 1 00:43:02:604269: l2-fwd l2-fwd: sw_if_index 13 dst cc:cc:cc:dd:dd:01 src 88:d9:8f:25:f9:25 bd_index 1 result [0x113000000000d, 13] none 00:43:02:604387: error-drop rx:loop5007 00:43:02:604509: drop l2-fwd: Reflection Drop
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