DPDK: Pkts with size greater that 1500 geting dropped
| Affects | Status | Importance | Assigned to | Milestone | ||
|---|---|---|---|---|---|---|
| Juniper Openstack | Status tracked in Trunk | |||||
| R3.0 |
New
|
High
|
Kiran | |||
| R3.2 |
New
|
High
|
Kiran | |||
| R3.2.3.x |
New
|
High
|
Kiran | |||
| R4.0 |
New
|
High
|
Kiran | |||
| Trunk |
New
|
High
|
Kiran | |||
Bug Description
Large pkts > 1500 Bytes is getting dropped .. The pkt is seen in the vif but is not seen in the VM
SYSCALLS is getting incremented on the VF
root@cs-scale-7:~# vif --get 27
Vrouter Interface Table
Flags: P=Policy, X=Cross Connect, S=Service Chain, Mr=Receive Mirror
Mt=Transmit Mirror, Tc=Transmit Checksum Offload, L3=Layer 3, L2=Layer 2
D=DHCP, Vp=Vhost Physical, Pr=Promiscuous, Vnt=Native Vlan Tagged
Mnp=No MAC Proxy, Dpdk=DPDK PMD Interface, Rfl=Receive Filtering Offload, Mon=Interface is Monitored
Uuf=Unknown Unicast Flood, Vof=VLAN insert/strip offload
vif0/27 PMD: tap491b1e31-d8
Vrf:10 Flags:PL3L2D MTU:9160 Ref:17
RX port packets:39007 errors:0 syscalls:1
RX queue packets:39005 errors:0
RX queue errors to lcore 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
RX packets:39007 bytes:9400775 errors:0
TX packets:39761 bytes:11071122 errors:0
TX port packets:39719 errors:42 syscalls:39719
root@
root@cs-scale-7:~# vifdump 27 -xxx -e
tcpdump: WARNING: mon27: no IPv4 address assigned
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on mon27, link-type EN10MB (Ethernet), capture size 65535 bytes
22:35:32.072851 00:00:5e:00:01:00 (oui Unknown) > 02:d2:95:cd:c0:85 (oui Unknown), ethertype IPv4 (0x0800), length 2042: 41.0.0.254 > 145.3.0.7: ICMP echo request, id 61, seq 1, length 2008
0x0000: 02d2 95cd c085 0000 5e00 0100 0800 4500
0x0010: 07ec 231c 0000 4001 94ed 2900 00fe 9103
0x0020: 0007 0800 ddb8 003d 0001 571a eda3 000b
0x0030: 9d27 0809 0a0b 0c0d 0e0f 1011 1213 1415
0x0040: 1617 1819 1a1b 1c1d 1e1f 2021 2223 2425
0x0050: 2627 2829 2a2b 2c2d 2e2f 3031 3233 3435
0x0060: 3637 3839 3a3b 3c3d 3e3f 4041 4243 4445
0x0070: 4647 4849 4a4b 4c4d 4e4f 5051 5253 5455
0x0080: 5657 5859 5a5b 5c5d 5e5f 6061 6263 6465
0x0090: 6667 6869 6a6b 6c6d 6e6f 7071 7273 7475
0x00a0: 7677 7879 7a7b 7c7d 7e7f 8081 8283 8485
0x00b0: 8687 8889 8a8b 8c8d 8e8f 9091 9293 9495
0x00c0: 9697 9899 9a9b 9c9d 9e9f a0a1 a2a3 a4a5
0x00d0: a6a7 a8a9 aaab acad aeaf b0b1 b2b3 b4b5
0x00e0: b6b7 b8b9 babb bcbd bebf c0c1 c2c3 c4c5
0x00f0: c6c7 c8c9 cacb cccd cecf d0d1 d2d3 d4d5
0x0100: d6d7 d8d9 dadb dcdd dedf e0e1 e2e3 e4e5
0x0110: e6e7 e8e9 eaeb eced eeef f0f1 f2f3 f4f5
0x0120: f6f7 f8f9 fafb fcfd feff 0001 0203 0405
0x0130: 0607 0809 0a0b 0c0d 0e0f 1011 1213 1415
0x0140: 1617 1819 1a1b 1c1d 1e1f 2021 2223 2425
0x0150: 2627 2829 2a2b 2c2d 2e2f 3031 3233 3435
0x0160: 3637 3839 3a3b 3c3d 3e3f 4041 4243 4445
0x0170: 4647 4849 4a4b 4c4d 4e4f 5051 5253 5455
0x0180: 5657 5859 5a5b 5c5d 5e5f 6061 6263 6465
0x0190: 6667 6869 6a6b 6c6d 6e6f 7071 7273 7475
0x01a0: 7677 7879 7a7b 7c7d 7e7f 8081 8283 8485
0x01b0: 8687 8889 8a8b 8c8d 8e8f 9091 9293 9495
0x01c0: 9697 9899 9a9b 9c9d 9e9f a0a1 a2a3 a4a5
0x01d0: a6a7 a8a9 aaab acad aeaf b0b1 b2b3 b4b5
0x01e0: b6b7 b8b9 babb bcbd bebf c0c1 c2c3 c4c5
0x01f0: c6c7 c8c9 cacb cccd cecf d0d1 d2d3 d4d5
0x0200: d6d7 d8d9 dadb dcdd dedf e0e1 e2e3 e4e5
0x0210: e6e7 e8e9 eaeb eced eeef f0f1 f2f3 f4f5
0x0220: f6f7 f8f9 fafb fcfd feff 0001 0203 0405
0x0230: 0607 0809 0a0b 0c0d 0e0f 1011 1213 1415
0x0240: 1617 1819 1a1b 1c1d 1e1f 2021 2223 2425
0x0250: 2627 2829 2a2b 2c2d 2e2f 3031 3233 3435
0x0260: 3637 3839 3a3b 3c3d 3e3f 4041 4243 4445
0x0270: 4647 4849 4a4b 4c4d 4e4f 5051 5253 5455
0x0280: 5657 5859 5a5b 5c5d 5e5f 6061 6263 6465
0x0290: 6667 6869 6a6b 6c6d 6e6f 7071 7273 7475
0x02a0: 7677 7879 7a7b 7c7d 7e7f 8081 8283 8485
0x02b0: 8687 8889 8a8b 8c8d 8e8f 9091 9293 9495
0x02c0: 9697 9899 9a9b 9c9d 9e9f a0a1 a2a3 a4a5
0x02d0: a6a7 a8a9 aaab acad aeaf b0b1 b2b3 b4b5
0x02e0: b6b7 b8b9 babb bcbd bebf c0c1 c2c3 c4c5
0x02f0: c6c7 c8c9 cacb cccd cecf d0d1 d2d3 d4d5
0x0300: d6d7 d8d9 dadb dcdd dedf e0e1 e2e3 e4e5
0x0310: e6e7 e8e9 eaeb eced eeef f0f1 f2f3 f4f5
0x0320: f6f7 f8f9 fafb fcfd feff 0001 0203 0405
0x0330: 0607 0809 0a0b 0c0d 0e0f 1011 1213 1415
0x0340: 1617 1819 1a1b 1c1d 1e1f 2021 2223 2425
0x0350: 2627 2829 2a2b 2c2d 2e2f 3031 3233 3435
0x0360: 3637 3839 3a3b 3c3d 3e3f 4041 4243 4445
0x0370: 4647 4849 4a4b 4c4d 4e4f 5051 5253 5455
0x0380: 5657 5859 5a5b 5c5d 5e5f 6061 6263 6465
0x0390: 6667 6869 6a6b 6c6d 6e6f 7071 7273 7475
0x03a0: 7677 7879 7a7b 7c7d 7e7f 8081 8283 8485
0x03b0: 8687 8889 8a8b 8c8d 8e8f 9091 9293 9495
0x03c0: 9697 9899 9a9b 9c9d 9e9f a0a1 a2a3 a4a5
0x03d0: a6a7 a8a9 aaab acad aeaf b0b1 b2b3 b4b5
0x03e0: b6b7 b8b9 babb bcbd bebf c0c1 c2c3 c4c5
0x03f0: c6c7 c8c9 cacb cccd cecf d0d1 d2d3 d4d5
0x0400: d6d7 d8d9 dadb dcdd dedf e0e1 e2e3 e4e5
0x0410: e6e7 e8e9 eaeb eced eeef f0f1 f2f3 f4f5
0x0420: f6f7 f8f9 fafb fcfd feff 0001 0203 0405
0x0430: 0607 0809 0a0b 0c0d 0e0f 1011 1213 1415
0x0440: 1617 1819 1a1b 1c1d 1e1f 2021 2223 2425
0x0450: 2627 2829 2a2b 2c2d 2e2f 3031 3233 3435
0x0460: 3637 3839 3a3b 3c3d 3e3f 4041 4243 4445
0x0470: 4647 4849 4a4b 4c4d 4e4f 5051 5253 5455
0x0480: 5657 5859 5a5b 5c5d 5e5f 6061 6263 6465
0x0490: 6667 6869 6a6b 6c6d 6e6f 7071 7273 7475
0x04a0: 7677 7879 7a7b 7c7d 7e7f 8081 8283 8485
0x04b0: 8687 8889 8a8b 8c8d 8e8f 9091 9293 9495
0x04c0: 9697 9899 9a9b 9c9d 9e9f a0a1 a2a3 a4a5
0x04d0: a6a7 a8a9 aaab acad aeaf b0b1 b2b3 b4b5
0x04e0: b6b7 b8b9 babb bcbd bebf c0c1 c2c3 c4c5
0x04f0: c6c7 c8c9 cacb cccd cecf d0d1 d2d3 d4d5
0x0500: d6d7 d8d9 dadb dcdd dedf e0e1 e2e3 e4e5
0x0510: e6e7 e8e9 eaeb eced eeef f0f1 f2f3 f4f5
0x0520: f6f7 f8f9 fafb fcfd feff 0001 0203 0405
0x0530: 0607 0809 0a0b 0c0d 0e0f 1011 1213 1415
0x0540: 1617 1819 1a1b 1c1d 1e1f 2021 2223 2425
0x0550: 2627 2829 2a2b 2c2d 2e2f 3031 3233 3435
0x0560: 3637 3839 3a3b 3c3d 3e3f 4041 4243 4445
0x0570: 4647 4849 4a4b 4c4d 4e4f 5051 5253 5455
0x0580: 5657 5859 5a5b 5c5d 5e5f 6061 6263 6465
0x0590: 6667 6869 6a6b 6c6d 6e6f 7071 7273 7475
0x05a0: 7677 7879 7a7b 7c7d 7e7f 8081 8283 8485
0x05b0: 8687 8889 8a8b 8c8d 8e8f 9091 9293 9495
0x05c0: 9697 9899 9a9b 9c9d 9e9f a0a1 a2a3 a4a5
0x05d0: a6a7 a8a9 aaab acad aeaf b0b1 b2b3 b4b5
0x05e0: b6b7 b8b9 babb bcbd bebf c0c1 c2c3 c4c5
0x05f0: c6c7 c8c9 cacb cccd cecf d0d1 d2d3 d4d5
0x0600: d6d7 d8d9 dadb dcdd dedf e0e1 e2e3 e4e5
0x0610: e6e7 e8e9 eaeb eced eeef f0f1 f2f3 f4f5
0x0620: f6f7 f8f9 fafb fcfd feff 0001 0203 0405
0x0630: 0607 0809 0a0b 0c0d 0e0f 1011 1213 1415
0x0640: 1617 1819 1a1b 1c1d 1e1f 2021 2223 2425
0x0650: 2627 2829 2a2b 2c2d 2e2f 3031 3233 3435
0x0660: 3637 3839 3a3b 3c3d 3e3f 4041 4243 4445
0x0670: 4647 4849 4a4b 4c4d 4e4f 5051 5253 5455
0x0680: 5657 5859 5a5b 5c5d 5e5f 6061 6263 6465
0x0690: 6667 6869 6a6b 6c6d 6e6f 7071 7273 7475
0x06a0: 7677 7879 7a7b 7c7d 7e7f 8081 8283 8485
0x06b0: 8687 8889 8a8b 8c8d 8e8f 9091 9293 9495
0x06c0: 9697 9899 9a9b 9c9d 9e9f a0a1 a2a3 a4a5
0x06d0: a6a7 a8a9 aaab acad aeaf b0b1 b2b3 b4b5
0x06e0: b6b7 b8b9 babb bcbd bebf c0c1 c2c3 c4c5
0x06f0: c6c7 c8c9 cacb cccd cecf d0d1 d2d3 d4d5
0x0700: d6d7 d8d9 dadb dcdd dedf e0e1 e2e3 e4e5
0x0710: e6e7 e8e9 eaeb eced eeef f0f1 f2f3 f4f5
0x0720: f6f7 f8f9 fafb fcfd feff 0001 0203 0405
0x0730: 0607 0809 0a0b 0c0d 0e0f 1011 1213 1415
0x0740: 1617 1819 1a1b 1c1d 1e1f 2021 2223 2425
0x0750: 2627 2829 2a2b 2c2d 2e2f 3031 3233 3435
0x0760: 3637 3839 3a3b 3c3d 3e3f 4041 4243 4445
0x0770: 4647 4849 4a4b 4c4d 4e4f 5051 5253 5455
0x0780: 5657 5859 5a5b 5c5d 5e5f 6061 6263 6465
0x0790: 6667 6869 6a6b 6c6d 6e6f 7071 7273 7475
0x07a0: 7677 7879 7a7b 7c7d 7e7f 8081 8283 8485
0x07b0: 8687 8889 8a8b 8c8d 8e8f 9091 9293 9495
0x07c0: 9697 9899 9a9b 9c9d 9e9f a0a1 a2a3 a4a5
0x07d0: a6a7 a8a9 aaab acad aeaf b0b1 b2b3 b4b5
0x07e0: b6b7 b8b9 babb bcbd bebf c0c1 c2c3 c4c5
0x07f0: c6c7 c8c9 cacb cccd cecf
1 packet captured
1 packet received by filter
0 packets dropped by kernel
vifdump: deleting vif 4324...
root@cs-scale-7:~# vif --get 27
Vrouter Interface Table
Flags: P=Policy, X=Cross Connect, S=Service Chain, Mr=Receive Mirror
Mt=Transmit Mirror, Tc=Transmit Checksum Offload, L3=Layer 3, L2=Layer 2
D=DHCP, Vp=Vhost Physical, Pr=Promiscuous, Vnt=Native Vlan Tagged
Mnp=No MAC Proxy, Dpdk=DPDK PMD Interface, Rfl=Receive Filtering Offload, Mon=Interface is Monitored
Uuf=Unknown Unicast Flood, Vof=VLAN insert/strip offload
vif0/27 PMD: tap491b1e31-d8
Vrf:10 Flags:PL3L2D MTU:9160 Ref:17
RX port packets:39007 errors:0 syscalls:1
RX queue packets:39005 errors:0
RX queue errors to lcore 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
RX packets:39007 bytes:9400775 errors:0
TX packets:39763 bytes:11075206 errors:0
TX port packets:39721 errors:42 syscalls:39721
MTU from the Compute to the Gateway is 9K
root@cs-scale-7:~#
root@cs-scale-7:~# tracepath 13.1.0.254
1?: [LOCALHOST] pmtu 9000
1: no reply
2: 13.1.0.254 6.008ms reached
Resume: pmtu 9000 hops 2 back 2
root@cs-scale-7:~#
BUILD: 3.0.2.0-32~kilo
| summary: |
- DPDK: Pkts with mtu greaterthat 1500 geting dropped + DPDK: Pkts with size greater that 1500 geting dropped |
| description: | updated |
| description: | updated |
| information type: | Proprietary → Public |
| tags: | added: blocker |
| Raja Sivaramakrishnan (raja-u) wrote | #1 |
| tags: | removed: blocker |
Release note: When the underlay has jumbo MTU, setting jumbo MTU inside VMs will result in packets getting dropped.