11.5.1, 11.5.1, 11.5.1, 11.5.1, 11.5.1, 11.5.1, 11.5.1, 11.5.1, 11.5.1, 11.5.1, 11.5.1, 21, 22, 23, 330, 505, 510, 520, 530, 810, 820, 830, CSP2, CSP2, CSP2, CSP2, CSP2, CSP2, CSP2, CSP2, CSP2, CSP2, CSP2, Watchguard, XTM

Watchguard XTM 2 Series, XTM 3 Series, XTM 5 Series, XTM 8 Series – Fireware XTM OS 11.5.1 – CSP2 Build # 333437

Watchguard XTM 2 Series, XTM 3 Series, XTM 5 Series, XTM 8 Series – Fireware XTM OS 11.5.1 – CSP2 Build # 333437

11.5.1 – CSP2 Build # 333437 Resolves the following issues:

BUG63764: If the packet size is between 1507 and 1538, it can’t pass through the BOVPN

BUG63231: increased cluster sync timeout to avoid synchronization failures when a module in the Firebox is  slow to respond.

BUG64589: ICMP not being redirected anymore after upgrading from 11.4.2 to 11.5.1

You can request 11.5.1 – CSP2 Build # 333437 from Watchguard Support by logging a support case online, they should then be able to provide an ftp download link and appropriate credentials.

Please note that Watchguard CSP releases are cumulative so you should only need to apply the latest to ensure that you also have any previous fixes.