When executing an Overlay, the error message "can't connect; disconnect" is seen
When executing an overlay you see this message error message: "can't connect; disconnect" is reported and Overlay fails. This occurs even though you see a 'green light' on the Director UI for this device. When Director tries to push the configuration to the SG using the overlay file, sometimes the configuration push will not be completed.
Connections to the SG using ssh will sometimes hang, especialy when attempting to push a configuration file to it.
This occurs when using Director SGME 184.108.40.206/220.127.116.11 against the to ProxySG SGOS 18.104.22.168 and some early SGOS 6.1.X versions.
This is because the SSH session between director and SG will be hung(inactive). There was an incompatibilty between Director SGME 22.214.171.124 / 5.52.3 and ProxySG 126.96.36.199, and some early Proxy versions 6.2.X releases.
FIX: To avoid this issue, we recomend you upgrading your ProxySG to 188.8.131.52. and/or SGOS 184.108.40.206 GA released on 8/8/2011
An example of what you see on the Directors /var/log/messages screen is below.
Feb 2 12:04:13 director ccd: <ccd.notice> Device wilpxy02: disconnected, Reason Not Connected - Device Disconnected
For SGs on 6.1x symptoms often include a timeout on the Director/SG appliance connection, and manifest "timeout" as per the below example of the the /var/log/messages file.
Jul 11 09:30:00 vmdirector schedulerd: <schedulerd.notice> Executing Job "sync"execution 1310376600
Jul 11 09:30:00 vmdirector runner: <runner.notice> Processing command: 1310376600501105:remote-config overlay "policy" refresh Jul
Jul 11 09:30:09 vmdirector runner: <runner.crit> Timeout expired while waiting for message Jul 11 09:30:09
NOTE1: For information on how to access the Directors /var/log/messages file, see KB4178
NOTE2: For information on what others errors we see in a profile push, see KB4253
NOTE3: For information on what CLI commands we use to push a profile, see FAQ1177
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