Network Router User's Manual

4-12 Firmware User Guide
• Enter a GRE Partner IP Address in standard dotted-quad format to specify the address of the other end of
the tunnel.
• You can optionally toggle Send Checksums to Ye s to verify that no data corruption or loss is incurred in
transmission. Ordinarily, it is not necessary to send checksums, and you can leave the default No.
• Sequence Datagrams can also be left at the default No, unless you are otherwise instructed. Datagram
sequencing is mainly needed if compression is being used.
• You can enter a 32- bit Key of up to 10-digits (numbers only). The receiver can use this key to identify the
source of the packet. The key is a way to match a packet to a tunnel connection.
If you choose to enter a key, be sure that both tunnel endpoints' configurations have matching keys.
• If you enter a zero (0), the key field is disabled.
• Return to the Add Connection Profile screen by pressing Escape.
• Select IP Profile Parameters and press Return.
GRE Tunnel Options
GRE Partner IP Address: 173.167.8.134
Send Checksums: No
Sequence Datagrams: No
Key: 0
Enter an IP address in decimal and dot form (xxx.xxx.xxx.xxx).