Panasonic KX-NS500 Installation Manual page 239

For details about operating the PROGRAM button and other buttons, refer to "For IP-PTs" in
"5.7.1 Assigning IP Addressing Information".
*1 The VLAN ID and the VLAN priority are set automatically for the primary port; these are reference only. However, the VLAN ID and
the VLAN priority for secondary port must be set manually.
The VLAN priority of the primary port must be set higher than the priority of the secondary port. The larger the number, the higher
*2
the priority.
5.7.3 Setting LLDP Parameters
Installation Manual 239