Forum Discussion

fubarSUSHI's avatar
fubarSUSHI
Icon for Altocumulus rankAltocumulus
Feb 19, 2014

Config Sync issue (both boxes are staying "disconnected")

Need help... I currently dont have access to the boxes and Im tempted to just call support but trying to avoid it. (Not saying there is anything wrong with calling support but I know Im missing some...
config-sync
management
question
Mifoche_189270's avatar
Mifoche_189270
Icon for Nimbostratus rankNimbostratus
Aug 28, 2018

Found this topic while troubleshooting HA issues in our lab. I would put emphasis on two things:

 

1) Use NTP server(s) for both peers.

 

2) Make sure when adding a peer that you're using it's HA VLAN dedicated IP. Verify currently configured confisync-ip (list cm device DEVICE_NAME configsync-ip) - I believe this was the main reason our configuration wasn't working.

 

In our case we had an IP from our internal VLAN listed there (from 172.16.x.x range in our case), and even though we were able to "dicover" peer by using its HA VLAN address (from 192.168.x.x range) the devices stayed out-of-sync (Disconnected state).

 

Once we changed configsync-ip configuruation to match HA VLAN address it worked like a charm.