Multitech MTCBA-H3-EN3-P1 User's Guide download pdf (Page 45)

Chapter 3 – Using the Web Management Software

45 Multi-Tech Systems, Inc. MultiModem rCell User Guide

GRE Tunnels

GRE tunneling and GRE routing together are referred to Generic Routing Encapsulation (GRE). GRE Routing is an

integral part of GRE tunneling. First, the GRE Tunnels are created using the GRE Tunnel Configuration. Then the

routes for the remote networks that are to be routed through a tunnel need to be specified in the GRE Routes

Configuration. Thus, all the traffic destined to remote networks associated to a tunnel will get routed through that

tunnel.

GRE Tunnels > GRE Tunnels

Tunneling allows the use of a public network to convey data on behalf of two remote private networks. It is also a

way to transform data frames to allow them to pass networks with incompatible address spaces or even

incompatible protocols. If you want to read more about how this works, see the online Help.

GRE Tunnel Configuration

Tunnel Name: Enter a name for the new tunnel.

Local IP: Select the local interface on which the tunnel is being created. Eventually, the packets

destined for this tunnel will be routed through it.

Remote IP: Set either Remote IP or FQDN. Select the Remote IP address that marks the other end

point of the tunnel (this is the one to which the routed packets will be received).

or FQDN: Set either Remote IP or FQDN. Enter the FQDN (Fully Qualified Domain Name) for the

Remote IP, which can be either the IP Address or an FQDN.

Click Add when done. GRE Tunnels display at the bottom of the screen.

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Multitech MTCBA-H3-EN3-P1 User's Guide Page 45