Bug ID 1024621: Re-establishing BFD session might take longer than expected.

Last Modified: Feb 07, 2024

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

Known Affected Versions:
11.6.5.2, 11.6.5.3, 12.1.5.2, 12.1.5.3, 12.1.6, 13.1.3.5, 13.1.3.6, 13.1.4, 13.1.4.1, 14.1.3.1, 14.1.4, 14.1.4.1, 14.1.4.2, 14.1.4.3, 14.1.4.4, 14.1.4.5, 15.1.1, 15.1.2, 15.1.2.1, 15.1.3, 15.1.3.1, 15.1.4, 15.1.4.1, 15.1.5, 16.0.1, 16.0.1.1, 16.0.1.2

Fixed In:
17.0.0, 16.1.2.2, 15.1.5.1, 14.1.4.6, 13.1.5

Opened: Jun 10, 2021

Severity: 4-Minor

Symptoms

It might take a few minutes for a BFD session to come up. During this time you will notice session state transition multiple times between 'Admin Down' <-> 'Down'.

Impact

It might take a few minutes for a BFD session to come up.

Conditions

BFD peer trying to re-establish a session with BIG-IP, choosing ephemeral ports dis-aggregating to different TMMs.

Workaround

Increasing Tx/Rx timers will minimize a chance of hitting the problem (For example 1000 TX/RX)

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips