Translated message

A translation of this page exists in English.

为什么在 tcpdump 中有 'bad udp cksum' 的错误?

Solution In Progress - Updated -

Issue

  • 如下运行 tcpdump 出现错误 bad udp cksum:
# tcpdump -nvv -i bond0 multicast and port 18113

tcpdump: listening on bond0, link-type EN10MB (Ethernet), capture size 96 bytes
20:16:59.109023 IP (tos 0x0, ttl   1, id 0, offset 0, flags [DF], proto: UDP (17), length: 61) nn.nn.nn.nn.18113 > nn.nn.nn.nn.18113: [bad udp cksum 3965!] UDP, length 33

Environment

  • Red Hat Enterprise Linux (所有版本)
  • 支持卸载的网络接口卡
  • tcpdump

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.

Current Customers and Partners

Log in for full access

Log In

New to Red Hat?

Learn more about Red Hat subscriptions

Using a Red Hat product through a public cloud?

How to access this content