Port-Leave from a dynamic VLAN
A dynamic VLAN continues to exist on a port for
as long as the port receives its advertisements from another device
connected to that port, or until:
Converting the VLAN to a static VLAN
Reconfiguring the port to
block
ordisable
Disabling GVRP
Rebooting the switch.
The time-to-live for dynamic VLANs is 10 seconds, if a port has not received an advertisement for an existing dynamic VLAN during that time, the port removes itself from that dynamic VLAN.