TP-Link T2500-28TCTL-SL5428E T2500-28TCUN V1 User Guide - Page 92
VPN Config, 6.7.2 VLAN Mapping, Protocol type, Value, VPN Config, VLAN Mapping, Port Enable
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Protocol type LACP 802.1X Value 0x8809 0x888E Table 6-3 Values of Ethernet frame protocol type in common use This VLAN VPN function is implemented on the VPN Config, VLAN Mapping and Port Enable pages. 6.7.1 VPN Config This page allows you to enable the VPN function, adjust the global TPID for VLAN-VPN packets and enable the VPN up-link port. When VPN mode is enabled, the switch will add a tag to the received tagged packet basing on the VLAN mapping entries. Choose the menu VLAN→VLAN VPN→VPN Config to load the following page. Figure 6-12 VPN Global Config The following entries are displayed on this screen: Global Config VPN Mode: Global TPID: Allows you to Enable/Disable the VLAN-VPN function. Enter the global TPID (Tag protocol identifier). VPN Up-link Ports Select the desired port as the VPN Up-link port. It's required to set the port connected to the operators' backbone networks to be up-link port. Note: If VPN mode is enabled, please create VLAN Mapping entries on the VLAN Mapping function page. 6.7.2 VLAN Mapping VLAN Mapping function allows the VLAN TAG of the packets to be replaced with the new VLAN TAG according to the VLAN Mapping entries. And these packets can be forwarded in the new VLAN. If VLAN VPN function is enabled, a received packet already carrying a VLAN tag will be tagged basing on the VLAN Mapping entries and becomes a double-tagged packet to be forwarded in the new VLAN. 82