Comment 3 for bug 1681680

Revision history for this message
Vinod Nair (vinodnair) wrote : Re: DPDK: Mainline Not all fragments being sent

Still seen in 4.0 Build 10 Also

sender
ping 22.1.0.3 -s 9000 -c 1
PING 22.1.0.3 (22.1.0.3) 9000(9028) bytes of data.

--- 22.1.0.3 ping statistics ---
1 packets transmitted, 0 received, 100% packet loss, time 0ms

Receice compute

vif0
23:18:27.100920 00:25:90:e5:ae:90 > 00:25:90:e5:b8:54, ethertype IPv4 (0x0800), length 1506: (tos 0x0, ttl 64, id 52658, offset 0, flags [none], proto UDP (17), length 1492)
    8.0.0.3.52909 > 8.0.0.2.6635: [no cksum] UDP, length 1464
23:18:27.100920 00:25:90:e5:ae:90 > 00:25:90:e5:b8:54, ethertype IPv4 (0x0800), length 106: (tos 0x0, ttl 64, id 52658, offset 0, flags [none], proto UDP (17), length 92)
    8.0.0.3.52909 > 8.0.0.2.6635: [no cksum] UDP, length 64
23:18:27.100920 00:25:90:e5:ae:90 > 00:25:90:e5:b8:54, ethertype IPv4 (0x0800), length 106: (tos 0x0, ttl 64, id 52658, offset 0, flags [none], proto UDP (17), length 92)
    8.0.0.3.52909 > 8.0.0.2.6635: [no cksum] UDP, length 64
23:18:27.100921 00:25:90:e5:ae:90 > 00:25:90:e5:b8:54, ethertype IPv4 (0x0800), length 1506: (tos 0x0, ttl 64, id 52658, offset 0, flags [none], proto UDP (17), length 1492)
    8.0.0.3.52909 > 8.0.0.2.6635: [no cksum] UDP, length 1464
23:18:27.100921 00:25:90:e5:ae:90 > 00:25:90:e5:b8:54, ethertype IPv4 (0x0800), length 106: (tos 0x0, ttl 64, id 52658, offset 0, flags [none], proto UDP (17), length 92)
    8.0.0.3.52909 > 8.0.0.2.6635: [no cksum] UDP, length 64
23:18:27.100921 00:25:90:e5:ae:90 > 00:25:90:e5:b8:54, ethertype IPv4 (0x0800), length 1506: (tos 0x0, ttl 64, id 52658, offset 0, flags [none], proto UDP (17), length 1492)
    8.0.0.3.52909 > 8.0.0.2.6635: [no cksum] UDP, length 1464
23:18:29.064906 00:25:90:e5:b8:54 > 00:25:90:e5:ae:90, ethertype 802.1Q (0x8100), length 626: vlan 2003, p 0, ethertype IPv4, (tos 0x0, ttl 64, id 26, offset 0, flags [none], proto UDP (17), length 608, bad cksum 0 (->686f)!)
    8.0.0.2.49839 > 8.0.0.3.6635: [no cksum] UDP, length 580

In receive VM
================
23:18:26.606186 00:00:5e:00:01:00 > 02:36:fa:27:98:ef, ethertype IPv4 (0x0800), length 1474: (tos 0x0, ttl 63, id 52658, offset 0, flags [+], proto ICMP (1), length 1460)
    22.2.0.3 > 22.1.0.3: ICMP echo request, id 1504, seq 1, length 1440
23:18:26.606193 00:00:5e:00:01:00 > 02:36:fa:27:98:ef, ethertype IPv4 (0x0800), length 74: (tos 0x0, ttl 63, id 52658, offset 1440, flags [+], proto ICMP (1), length 60)
    22.2.0.3 > 22.1.0.3: ip-proto-1
23:18:26.606195 00:00:5e:00:01:00 > 02:36:fa:27:98:ef, ethertype IPv4 (0x0800), length 74: (tos 0x0, ttl 63, id 52658, offset 2920, flags [+], proto ICMP (1), length 60)
    22.2.0.3 > 22.1.0.3: ip-proto-1
23:18:28.570769 02:36:fa:27:98:ef > 00:00:5e:00:01:00, ethertype IPv4 (0x0800), length 590: (tos 0xc0, ttl 64, id 13965, offset 0, flags [none], proto ICMP (1), length 576)
    22.1.0.3 > 22.2.0.3: ICMP ip reassembly time exceeded, length 556
        (tos 0x0, ttl 63, id 46303, offset 0, flags [+], proto ICMP (1), length 1460)
    22.2.0.3 > 22.1.0.3: ICMP echo request, id 1503, seq 1, length 1440