Last Modified: Oct 06, 2020
Affected Product:
See more info
BIG-IP LTM
Known Affected Versions:
10.1.0, 10.2.0, 10.2.1, 10.2.2, 10.2.3, 10.2.4, 11.0.0, 11.1.0, 11.2.0, 11.2.1, 11.3.0, 11.4.0, 11.4.1
Fixed In:
11.5.0, 11.4.1 HF4, 11.4.0 HF6, 11.2.1 HF11
Opened: Jun 20, 2013
Severity: 2-Critical
Related AskF5 Article:
K15492
SIP monitor does not re-transmit requests. The SIP monitor is intended to re-transmit a UDP SIP request if it hasn't received a response after 0.5s, 1s, 2s, and 4s (after each re-transmission, the interval increases).
SIP monitor doesn't retransmit. This could mean adverse side affects: for example, the pool member won't change states.
Server doesn't respond to request before the interval expires.
restart bigd.
The SIP monitor will now internally retransmit a request after 0.5, 1, 2, and 4 seconds.