Eicon Networks SHIVA 1100, Administrator'S Manual, Page: 97 / 136

GRE
System Administrator’s Guide 97
4. Click Add . The Brisbane end is now set up.
5. On the Slough end, click GRE Tunnels from the VPN menu. Enter the following
details:
• GRE Tunnel Name: to_bris
• Remote External Address: 203.23.45.6
• Local External Address: 195.45.67.8
• Local Internal Address: 10.1.0.1
6. Click Add .
7. Click Add/Remove under Remote Networks and enter:
Remote subnet/netmask: 192.168.1.0 /255.255.255.0
8. Click Add . The GRE tunnel between the two networks is now set up. Tunnels
may be Disabled, Deleted or Edited from the main table of GRE tunnels. A few
further things of note are:
• GRE Tunnel Name: The name is arbitrary.
• Remote External Address: This may also be in the form of a DNS name, e.g.
a dynamic DNS name.
• Local External Address: This may also be an Internet port alias address.
• Remote subnet/netmask: Multiple networks can be routed through a single
GRE tunnel. Add them through Add/Remove under Remote Networks.