Configuring Gre; Creating The Tunnel Interface; Ip Address - HP ProCurve Secure Router 7203 dl Advanced Management And Configuration Manual

Configuring a Tunnel with Generic Routing Encapsulation

Configuring GRE

9-4
Configuring GRE
To configure a GRE tunnel on the ProCurve Secure Router, you must:
create a tunnel interface
configure the tunnel source and destination endpoints
assign the tunnel an IP address
If you want to secure the tunnel, you can also
configure a tunnel key
specify traffic allowed to access the tunnel
enable checksum verification

Creating the Tunnel Interface

You establish the local endpoint for a GRE tunnel by creating a tunnel
interface. From the global configuration mode context, enter:
Syntax: interface tunnel <interface number>
For example:
ProCurve(config)# interface tunnel 1
Configuring the Tunnel's Source and Destination and IP
Address
You must identify the tunnel's source and destination. You must also configure
an IP address for the tunnel interface.
The tunnel interface's IP address is distinct from the tunnel's source address.
Equally, the tunnel's destination address is not the remote tunnel interface's

IP address.

To understand the distinction, you must understand how GRE encapsulates
packets.