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Configuring GRE Tunnels

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2-7

Creating a Generic Routing Encapsulation Tunnel

You can create up to 64 GRE tunnels on one router; each GRE tunnel can have

multiple end points. You can configure up to 256 remote tunnel end points

distributed over the configured GRE tunnels.

Adding a GRE Tunnel

When you add a GRE tunnel, you assign the tunnel a name and an IP address. The

IP address is the router interface used as the local physical end point for this

tunnel. The IP address must be that of an existing physical router IP interface.

This address is visible to the network cloud that the tunnel passes through.

Use the BCC or Site Manager to add a GRE tunnel to the router.

Using the BCC

To add a GRE tunnel:

Navigate to the box or stack prompt and enter the following command:

tunnels

The tunnels prompt appears.

Navigate to the tunnels prompt (for example,

box; tunnels

) and enter the

following command:

gre name

<name>

local-address

name

is a unique name for this tunnel.

address

is a valid IP address of a local router interface expressed in

dotted-decimal notation.

For example, the following command sequence creates the tunnel boston with the

local physical end point 197.1.2.3 and verifies the addition:

tunnels#

gre name boston local-address 197.1.2.3

gre/boston#

info

name boston

local-address 197.1.2.3

state enabled

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Avaya Configuring BFE Services Manual do Utilizador Página 31