Bug ID 850873: LTM global SNAT sets TTL to 255 on egress.

Last Modified: Nov 07, 2022

Bug Tracker

Affected Product:  See more info
BIG-IP LTM(all modules)

Known Affected Versions:
14.1.0, 14.1.0.1, 14.1.0.2, 14.1.0.3, 14.1.0.5, 14.1.0.6, 14.1.2, 14.1.2.1, 14.1.2.2, 14.1.2.3, 14.1.2.4, 14.1.2.5, 14.1.2.6, 14.1.2.7, 14.1.2.8, 14.1.3, 15.0.0, 15.0.1, 15.0.1.1, 15.0.1.2, 15.0.1.3, 15.0.1.4, 15.1.0, 15.1.0.1, 15.1.0.2, 15.1.0.3, 15.1.0.4, 15.1.0.5, 15.1.1

Fixed In:
16.0.0, 15.1.2, 14.1.3.1

Opened: Nov 18, 2019
Severity: 2-Critical

Symptoms

When using the global SNAT feature on LTM, IPv4 TTL/IPv6 Hop-Limit values may be erroneously set to 255/64 on egress.

Impact

TTL on egress is set to 255/; Hop-Limit on egress is set to 64.

Conditions

Traffic is handled by global SNAT.

Workaround

None.

Fix Information

None

Behavior Change