claudio@239-OLD-ADSLBACKUP> show dhcp server binding interface vlan.2 detail

Client IP Address:  192.168.2.168
     Hardware Address:             14:58:d0:14:f2:5e
     State:                        BOUND(LOCAL_SERVER_STATE_BOUND)
     Lease Expires:                2016-12-07 10:24:15 GMT
     Lease Expires in:             3221 seconds
     Lease Start:                  2016-12-07 09:24:15 GMT
     Last Packet Received:         2016-12-07 09:24:15 GMT
     Incoming Client Interface:    vlan.2
     Client Interface Vlan Id:     2
     Server Identifier:            192.168.2.3
     Session Id:                   95
     Client Pool Name:             LAN2
Client IP Address:  192.168.2.154



Unplug the laptop wait until expire the lease and plug again in other VLAN

claudio@239-OLD-ADSLBACKUP> show dhcp server binding interface vlan.12 detail

Client IP Address:  192.168.2.168
     Hardware Address:             14:58:d0:14:f2:5e
     State:                        BOUND(LOCAL_SERVER_STATE_BOUND)
     Lease Expires:                2016-12-07 11:35:17 GMT
     Lease Expires in:             3389 seconds
     Lease Start:                  2016-12-07 10:35:17 GMT
     Last Packet Received:         2016-12-07 10:35:17 GMT
     Incoming Client Interface:    vlan.12
     Server Identifier:            192.168.12.3
     Session Id:                   146
     Client Pool Name:             LAN2




here the setting:
show system services dhcp-local-server
overrides;
group JDHCP {
    interface vlan.1;
    interface vlan.42;
}
group VLAN2 {
    interface vlan.2 {
        overrides {
            process-inform {
                pool LAN2;
            }
        }
    }
}
group VLAN10 {
    interface vlan.10 {
        overrides {
            process-inform {
                pool LAN10-11;
            }
        }
    }
}
group VLAN12 {
    interface vlan.12 {
        overrides {
            process-inform {
                pool LAN12-13;
            }
        }
    }
}
group VLAN14 {
    interface vlan.14 {
        overrides {
            process-inform {
                pool LAN14-15;
            }
        }
    }
}
group VLAN16 {
    interface vlan.16 {
        overrides {
            process-inform {
                pool LAN16-17;
            }
        }
    }
}
group VLAN40 {
    interface vlan.40 {
        overrides {
            process-inform {
                pool LAN40-41;
            }
        }
    }
}