SIP User's Manual  324  Document #: LTRT-12804 
  Mediant 800 MSBG 
 
3.3.3.9.12 Internet Protocol over Internet Protocol (IPIP) 
The device allows you to create an IPIP tunnel to another router, by encapsulating IP 
packets in IP. This tunnel can be managed as any other network connection. Supported by 
many routers, this protocol enables using multiple network schemes. Note, however, that 
IPIP tunnels are not secured. 
¾  To create an IPIP tunnel: 
1.  In the 'Connections' page, click the New 
 icon; the Connection Wizard opens. 
2.  Select the 'Advanced Connection' option, and then click Next; the 'Advanced 
Connection' page appears. 
3.  Select the 'Internet Protocol over Internet Protocol (IPIP)' option, and then click Next; 
the following page appears. 
Figure  3-279: Configuring General IPIP Parameters 
 
4.  In the 'Remote Endpoint IP Address' field, enter the tunnel's remote endpoint IP 
address. 
5.  In the 'Local Interface IP Address' field, enter the local IP address for the interface. 
6.  In the 'Remote Network IP Address' and 'Remote Subnet Address fields, enter the IP 
address and subnet mask (respectively) of the remote network that is to be accessed 
via the tunnel, and then click Next; the following message is displayed if successfully 
configured: 
Figure  3-280: IPIP Added Successfully 
 
7.  Select the 'Edit the Connection' check box if you want to edit the new connection after 
clicking Finish. 
8.  Click  Finish  to save the settings; the new IPIP tunnel is added to the network 
connections list. 
¾  To edit the IPIP tunnel connection: 
1.  In the 'Connections' page, click the "WAN IPIP" link; the General  tab appears 
displaying general properties. 
2.  Select the Settings tab to edit various settings (see ''Editing Existing Connections'' on 
page 328).