Operation Manual – VLAN-VPNH3C S3100 Series Ethernet Switches Chapter 1 VLAN-VPN Configuration1-3when tagging a received VLAN-VPN frame as needed. When doing that, you should setthe same TPID on both the customer-side port and the service provider-side port.The TPID in an Ethernet frame has the same position with the protocol type field in aframe without a VLAN tag. To avoid problems in packet forwarding and handling, youcannot set the TPID value to any of the values in the table below.Table 1-1 Commonly used protocol type values in Ethernet framesProtocol type ValueARP 0x0806IP 0x0800MPLS 0x8847/0x8848IPX 0x8137IS-IS 0x8000LACP 0x8809802.1x 0x888E1.2 VLAN-VPN Configuration1.2.1 VLAN-VPN Configuration Task ListComplete the following tasks to configure VLAN-VPN:Task RemarksEnabling the VLAN-VPN Feature for aPort RequiredConfiguring the TPID Value forVLAN-VPN Packets on a Port Optional1.2.2 Enabling the VLAN-VPN Feature for a PortFollow these steps to enable the VLAN-VPN feature for a port:
