Last Modified: Sep 13, 2023
Affected Product(s):
BIG-IP LTM
Known Affected Versions:
11.6.0, 12.1.0, 12.1.1
Fixed In:
13.0.0, 12.1.2, 11.6.1
Opened: Nov 11, 2015 Severity: 2-Critical Related Article:
K14684213
Changing IPsec tunnel interface MTU attribute repeatedly in quick succession, TMM cores. This can occur whether or not traffic has flowed through the tunnel.
Traffic disrupted while tmm restarts.
The issue occurs when the IPsec tunnel interface attributes has its configuration modified quickly and repeatedly.
Change IPsec tunnel interface attributes at a rate of speed that allows each configuration modification to complete.
TMM no longer cores if users quickly and repeatedly change interface attributes (for example, the MTU interface attribute).