Quick Reference Guide

Reference Manual for the Model FVM318 Cable/DSL ProSafe Wireless VPN Security Firewall
5-20 Virtual Private Networking
Figure 5-17: VPN Edit menu for Manual Keying
2. Incoming SPI - Enter a Security Parameter Index that the remote host will send to identify the
Security Association (SA). This will be the remote host’s Outgoing SPI.
3. Outgoing SPI - Enter a Security Parameter Index that this firewall will send to identify the
Security Association (SA). This will be the remote host’s Incoming SPI.
The SPI should be a string of hexadecimal [0-9,A-F] characters, and should not be used in any
other Security Association.
Note: For simplicity or troubleshooting, the Incoming and Outgoing SPI can be identical.