Bug ID 607803: DTLS client (serverssl profile) fails to complete resumed handshake.

Last Modified: Aug 19, 2026

Affected Product(s):
BIG-IP LTM(all modules)

Known Affected Versions:
11.6.1, 11.6.1 hf1, 11.6.1 hf2, 11.6.2, 11.6.2 hf1, 11.6.3, 11.6.3.1, 11.6.3.2, 12.0.0, 12.0.0 hf1, 12.0.0 hf2, 12.0.0 hf3, 12.0.0 hf4, 12.1.0, 12.1.0 hf1, 12.1.0 hf2, 12.1.1, 12.1.1 hf1, 12.1.1 hf2

Fixed In:
13.0.0, 12.1.2, 11.6.3.3

Opened: Jul 29, 2016

Severity: 3-Major

Related Article: K33954223

Symptoms

DTLS client (serverssl profile) fails to complete resumed handshake.

Impact

Possible failed resumed handshake.

Conditions

This occurs when the BIG-IP system acts as a DTLS client.

Workaround

Disable session reuse.

Fix Information

This release fixes a possible failed resumed DTLS handshake.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips