在互连端口e0b上检测到多个TCP数据包校验和错误

适用场景

• AF-C800
• 9.13.1P6.

问题描述

• 在 e0b EMS日志的互连端口上检测到校验和错误的多个TCP数据包。 

1/31/2024 15:53:57  node-B   ERROR     netif.tcp.conn.bad.checksum: TCP packet with bad checksum detected on port e0b. The packet arrived on connection with source address 111.222.33.444 and destination_address 555.666.77.888.
1/31/2024 14:53:09  node-B   ERROR     netif.tcp.conn.bad.checksum: TCP packet with bad checksum detected on port e0b. The packet arrived on connection with source address 111.222.33.444 and destination_address 555.666.77.888.
1/31/2024 13:51:06  node-B   ERROR     netif.tcp.conn.bad.checksum: TCP packet with bad checksum detected on port e0b. The packet arrived on connection with source address 111.222.33.444 and destination_address 555.666.77.888.
1/31/2024 12:50:59  node-B   ERROR     netif.tcp.conn.bad.checksum: TCP packet with bad checksum detected on port e0b. The packet arrived on connection with source address 111.222.33.444 and destination_address 555.666.77.888.
1/31/2024 11:45:00  node-B   ERROR     netif.tcp.conn.bad.checksum: TCP packet with bad checksum detected on port e0b. The packet arrived on connection with source address 111.222.33.444 and destination_address 555.666.77.888.

• 没有 CRC errors 计数 IFSTAT -A， node-B 遇到与相关的接收到错误 Bad TCP checksum。 

Node: node-B

-- interface  e0b  (3 hours, 7 minutes, 36 seconds) --

RECEIVE
 Total frames:    2568k | Frames/second:    228  | Total bytes:     511m
 Bytes/second:   45400  | Total errors:     0  | Errors/minute:     0
 Total discards:    0  | Discards/minute:    0  | Multi/broadcast: 11619
 Non-primary u/c:   78  | CRC errors:      0 | Long frames:      0
 Jabber:        0  | Length errors:     0  | No buffer:       0
 Pause:         0  | Jumbo:       35893  | Error symbol:     0
 Bus overruns:     0  | LRO segments:    256  | LRO bytes:      104k
 LRO6 segments:     0  | LRO6 bytes:      0  | Bad UDP cksum:    67
 Bad UDP6 cksum:    0  | Bad TCP cksum:    178 | Bad TCP6 cksum:    0
 Mcast v6 solicit:   0  | Lagg errors:      0  | Lacp errors:      0
 Lacp PDU errors:    0
TRANSMIT
 Total frames:    3221k | Frames/second:    286  | Total bytes:     507m
 Bytes/second:   45084  | Total errors:     0  | Errors/minute:     0
 Total discards:    0  | Queue overflow:    0  | Multi/broadcast: 11618
 Collisions:      0  | Pause:         0  | Jumbo:       34510
 Cfg Up to Downs:    1  | TSO segments:     0  | TSO bytes:       0
 TSO6 segments:     0  | TSO6 bytes:      0  | HW UDP cksums:   11244
 HW UDP6 cksums:    0  | HW TCP cksums:     0  | HW TCP6 cksums:    0
 Mcast v6 solicit:   0  | Lagg drops:      0  | Lagg no buffer:    0
 Lagg no entries:    0
DEVICE
 Mcast addresses:    6  | Rx MBuf Sz:     4096
LINK INFO
 Speed:        100G | Duplex:       full | Flowcontrol:     full
 Media state:    active | Up to downs:      1 | HW assist:     5655

• 更换  e0b 两个互连端口上连接的铜缆、但问题未解决。