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fawad_alam_1795's avatar
fawad_alam_1795
Icon for Nimbostratus rankNimbostratus
Dec 09, 2014

Config Sync failure after installing Hotfix

Hi all, We have two LTM devices 4200v running 11.2.1 Build 1179.0 Hotfix HF6. Due to the TLS1.x padding vulnerability CVE-2014-8730 we applied the 11.2.1 HF13 Hot fix. First I did the upgrade on standby unit. This caused an issue with Sync when the standby was upgraded to hotfix while primary was still on HF6. The standby unit completely lost the sync and upon next boot it lost all its configuration. I am not sure when two units are on different versions the Sync is lost ?? Not sure if this is a bug.

 

To restore the standby unit I reloaded the standby LTM on HF6. Now both devices are running fine.

 

APM
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  • wesleyjack's avatar
    wesleyjack
    Icon for Nimbostratus rankNimbostratus
    Dec 09, 2014

    Hi,

     

    There are a couple of issues you are reporting here, but I think both may be resolved with a single action. Are you familiar with the 'cpcfg' command?

     

    SOL14724 - https://support.f5.com/kb/en-us/solutions/public/14000/700/sol14724.html

     

    If you run 'cpcfg' while on the HF6 location, with the destination of the copy the HF13 boot location. You should be able to boot into HF13, however, you may still have some sync issues until the primary is also upgraded to HF13.

     

  • nitass's avatar
    nitass
    Icon for Employee rankEmployee
    Dec 09, 2014

    The standby unit completely lost the sync and upon next boot it lost all its configuration.

     

    i do not think the lost configuration is caused by config sync. it could relate to configuration roll forwarding from current volume (hf6). have you tried to re-load configuration (tmsh load sys config) to see what error was?