Bug ID 797977: Self-IP traffic does not preserve the TTL from the Linux host

Last Modified: Jan 07, 2020

Bug Tracker

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

Known Affected Versions:
14.1.0, 14.1.0.1, 14.1.0.2, 14.1.0.3, 14.1.0.4, 14.1.0.5, 14.1.0.6, 14.1.2, 14.1.2.1, 14.1.2.2, 15.0.0, 15.0.1, 15.0.1.1

Fixed In:
15.1.0, 14.1.2.3

Opened: Jun 25, 2019
Severity: 3-Major

Symptoms

The Egress traffic from TMM has IP TTL set to 255 instead of keeping the TTL from the Linux host.

Impact

Tools like traceroute do not work because Linux host rejects the packets.

Conditions

IP/IPv6 TTL for host traffic.

Workaround

Adjust TTL verification restrictions

Fix Information

IP TTL is preserved.

Behavior Change