
B&B Electronics, Inc. SPECTRE Configuration Manual
SPECTRE_Configuration_Manual_2912m
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1.16. GRE tunnels configuration
Select the GRE item in the menu to configure a GRE tunnel. GRE is a protocol which
is used to create a secure connection between two LANs. Up to 4 GRE tunnels may be
created.
This item enables the individual tunnels.
This item displays the name of the tunnel specified in the configuration
of the tunnel.
Configure the GRE tunnel.
Table 32: Overview GRE tunnels
Fig. 35: GRE tunnels configuration
IP address of the remote side of the tunnel
Local Interface IP
Address
IP address of the local side of the tunnel
Remote Interface
IP Address
IP address of the remote side of the tunnel
IP address of the network behind the remote side of the tunnel
Subnet Mask of the network behind the remote side of the tunnel
An optional value that defines a 32 bit shared key for data encryption.
This key must be the same on both routers.
Table 33: GRE tunnel configuration
Fig. 36: GRE tunnel configuration
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