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Cisco Bug: CSCtf32426 - TCP session remaining in FINWAIT1 state

Last Modified

Jan 12, 2017

Products (1)

  • Cisco 12000 Series Routers

Known Affected Releases

3.8.0.BASE

Description (partial)

Symptom:

TCP session remains in FINWAIT1 state and doesn't get cleaned up.

Conditions:

Peer sends a RST with wrong sequence number (typically due to misbheaving NAT or firewall devices in the middle).
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