TP-Link T2500G-10TS - VPN Config

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forwards or receives a packet, you must not configure the following protocol type values listed
in the following table as the TPID value.
Protocol type
Value
ARP
0x0806
IP
0x0800
MPLS
0x8847/0x8848
IPX
0x8137
IS-IS
0x8000
LACP
0x8809
802.1X
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 6-11 VPN Global Config
The following entries are displayed on this screen:

Global Config
VPN Mode:
Allows you to Enable/Disable the VLAN-VPN function.
Global TPID:
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.