Hey,
we have two stacked 1950 12XG which we want to connect to two stacked 1950 24G PoE. The connections between the switch stacks have to VLAN Trunk ports and we would like to have them aggregated.
But, at the moment we configure a dynamic link aggregation group on two VLAN trunk ports, they went from up to down. If we create the lagg first and add then the VLAN trunk configuration, the port also went down. Physical they are still patched and the leds on the switch stay green, but without flashing.
All switches are running the latest firmware and the VLAN trunk configuration and the link aggregation configuration is working, as long as only the one or the other is configured.
We need the VLAN configuration, but we also want link aggregation, as without it, we only have one link between our switch stacks. Have we made a mistake in the configuration or is it a firmware bug?