Port bouncing is the process of temporarily disabling and re-enabling a network port, which enables the clients connected to an authenticator to reinitiate a DHCP request. RADIUS port bounce occurs only when there is a change in the authenticator VLAN and when a CoA request is received from a RADIUS server with VSA port bounce. You can enable or disable port bounce using the command line interface, but first you must do the following:
The following command configures the port bounce feature:
configure radius port bounce [ on | off]