Users Manual Part 2

Device Configuration
VPN – GRE
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BEC 4700A / 4700AZ User Manual
TAN (Ethernet over GRE)
TAN is in layer 2, Ethernet level which acts as a switch adding Ethernet frame passed over the GRE
tunnels.
Bridge Mode: Select Yes to enable TAN bridge mode.
Bridge Mode – No
Interface: Select a WAN interface to establish a tunnel with the remote VPN device.
Remote Gateway IP: Enter the remote GRE WAN IP address.
Remote Network IP Address: Enter the actual remote LAN network IP address.
Remote Network Netmask: Enter the actual remote LAN network Netmask.
MTU: Maximum Transmission Unit in byte. The size of the largest datagram (excluding media-
specific headers) an IP attempts to send through the interface.
Key: This tunnel key has a maximum string of 5 containing alphanumeric characters. Both sides,
local and remote, should use the same key.
Click Save to apply settings.
Bridge Mode – Yes
Interface: Select a WAN interface to establish a tunnel with the remote VPN device.
Remote Gateway IP: Enter the remote GRE WAN IP address.
MTU: Maximum Transmission Unit in byte. The size of the largest datagram (excluding media-