tcpdump reports a large number of incoming TCP segments have incorrect TCP checksums

Solution In Progress - Updated -

Issue

A large number of incoming segments have incorrect TCP checksums as reported by tcpdump

10.0.0.1.40778 > 10.0.0.2.8090: Flags [P.], **cksum 0x2394 (incorrect -> 0x8505)**, seq 379:2254, ack 1, win 244, options [nop,nop,TS val 694019551 ecr 2121588728], length 1875

Environment

  • Red Hat Enterprise Linux(RHEL).
  • 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