We have a (currently) single controller overflow 'cluster', but that's due to grow soon. When it was configured the allowed VLANs list on the port-channel for it was configured at box level, but really that should have been configured at the level above. I can't see an easy 'remove override' option for that list of VLANs. What do I need to do to remove the config from box level and have the higher level config sync'd instead? Bearing in mind this is a live system so we're looking to try to do this with no downtime.
What version of AOS are you referring to?
We're running 188.8.131.52. Cluster of 10 controllers (standby cluster of 4). MCR and standby MCR.
During a maintenance period, set the VLAN configuration back to default at the device level ("show configuration committed" at the device level will show the current device configuration) and then configure the appropriate VLAN settings at the group level.
This port-channel includes our management VLAN, when you say 'default' would I just remove all other VLANs from the PC apart from the mgmt VLAN? Or is there actually a command which will default this PC to the original config created when the box was set-up (which should include the mgmt. VLAN)?
Note that the PC config we want is already present at the higher group level, I don't know if this helps or hinders!
To be honest, dealing with a port channel configuration is a royal pain. I find it easier to just make a temporary connection on a different port for management purposes, delete the port-channel configuration from the device, then set things up as they should be. This assumes you didn't configure the port-channel during the system setup script, then I just blow the controller away and start over, and don't configure the port-channel until after managing the MC through the MCR.
As for setting back to default, you should be able to issue a "no switchport trunk allowed vlan" at the device level which will remove the device level configuration, allowing for the group level configuration to be inherited.
Okay thanks Carson, we'll look at how we can deal with this, I guess out of term time. I can practice on our dev system to see how badly I break things!
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