Last Modified: Feb 13, 2019
See more info
Known Affected Versions:
11.6.0, 11.6.0 HF1, 11.6.0 HF2, 11.6.0 HF3, 11.6.0 HF4, 11.6.0 HF5, 11.6.0 HF6, 11.6.0 HF7, 11.6.0 HF8, 12.1.0, 12.1.0 HF1, 12.1.0 HF2, 12.1.1, 12.1.1 HF1, 12.1.1 HF2
13.0.0, 12.1.2, 11.6.1
Opened: Nov 11, 2015
Related AskF5 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).