tcpdump ipip

root@cloud:~# tcpdump -i enahisic2i0  "ip proto 4" and host 10.10.16.82  -ennvv
tcpdump: listening on enahisic2i0, link-type EN10MB (Ethernet), capture size 262144 bytes
16:10:01.399380 9c:52:f8:67:c4:d3 > 48:57:02:64:e7:ab, ethertype IPv4 (0x0800), length 118: (tos 0x0, ttl 63, id 63884, offset 0, flags [DF], proto IPIP (4), length 104)
    10.10.16.47 > 10.10.16.82: (tos 0x0, ttl 63, id 40436, offset 0, flags [DF], proto ICMP (1), length 84)
    10.244.41.2 > 10.244.243.196: ICMP echo request, id 39207, seq 428, length 64
16:10:01.399541 48:57:02:64:e7:ab > 9c:52:f8:67:c4:d3, ethertype IPv4 (0x0800), length 118: (tos 0x0, ttl 63, id 16648, offset 0, flags [none], proto IPIP (4), length 104)
    10.10.16.82 > 10.10.16.47: (tos 0x0, ttl 63, id 22181, offset 0, flags [none], proto ICMP (1), length 84)
    10.244.243.196 > 10.244.41.2: ICMP echo reply, id 39207, seq 428, length 64
16:10:02.423387 9c:52:f8:67:c4:d3 > 48:57:02:64:e7:ab, ethertype IPv4 (0x0800), length 118: (tos 0x0, ttl 63, id 63998, offset 0, flags [DF], proto IPIP (4), length 104)
    10.10.16.47 > 10.10.16.82: (tos 0x0, ttl 63, id 40517, offset 0, flags [DF], proto ICMP (1), length 84)
    10.244.41.2 > 10.244.243.196: ICMP echo request, id 39207, seq 429, length 64
16:10:02.423551 48:57:02:64:e7:ab > 9c:52:f8:67:c4:d3, ethertype IPv4 (0x0800), length 118: (tos 0x0, ttl 63, id 16878, offset 0, flags [none], proto IPIP (4), length 104)
    10.10.16.82 > 10.10.16.47: (tos 0x0, ttl 63, id 22198, offset 0, flags [none], proto ICMP (1), length 84)
    10.244.243.196 > 10.244.41.2: ICMP echo reply, id 39207, seq 429, length 64
16:10:03.447413 9c:52:f8:67:c4:d3 > 48:57:02:64:e7:ab, ethertype IPv4 (0x0800), length 118: (tos 0x0, ttl 63, id 64201, offset 0, flags [DF], proto IPIP (4), length 104)
    10.10.16.47 > 10.10.16.82: (tos 0x0, ttl 63, id 40654, offset 0, flags [DF], proto ICMP (1), length 84)
    10.244.41.2 > 10.244.243.196: ICMP echo request, id 39207, seq 430, length 64
16:10:03.447555 48:57:02:64:e7:ab > 9c:52:f8:67:c4:d3, ethertype IPv4 (0x0800), length 118: (tos 0x0, ttl 63, id 16970, offset 0, flags [none], proto IPIP (4), length 104)
    10.10.16.82 > 10.10.16.47: (tos 0x0, ttl 63, id 22403, offset 0, flags [none], proto ICMP (1), length 84)
    10.244.243.196 > 10.244.41.2: ICMP echo reply, id 39207, seq 430, length 64
16:10:04.471319 9c:52:f8:67:c4:d3 > 48:57:02:64:e7:ab, ethertype IPv4 (0x0800), length 118: (tos 0x0, ttl 63, id 64332, offset 0, flags [DF], proto IPIP (4), length 104)
    10.10.16.47 > 10.10.16.82: (tos 0x0, ttl 63, id 40671, offset 0, flags [DF], proto ICMP (1), length 84)
    10.244.41.2 > 10.244.243.196: ICMP echo request, id 39207, seq 431, length 64
16:10:04.471471 48:57:02:64:e7:ab > 9c:52:f8:67:c4:d3, ethertype IPv4 (0x0800), length 118: (tos 0x0, ttl 63, id 17063, offset 0, flags [none], proto IPIP (4), length 104)
    10.10.16.82 > 10.10.16.47: (tos 0x0, ttl 63, id 22565, offset 0, flags [none], proto ICMP (1), length 84)
    10.244.243.196 > 10.244.41.2: ICMP echo reply, id 39207, seq 431, length 64
^C
8 packets captured
9 packets received by filter
0 packets dropped by kernel
root@cloud:~#