iv
Firmware User Guide
Logging ............................................................. 2-38
Chapter 3 — Multiple Network Address Translation ...................3-1
Overview....................................................................... 3-1
Features ............................................................. 3-2
Supported traffic ................................................. 3-5
Support for AOL Instant Messenger (AIM) File
Transfer .............................................................. 3-5
Support for Yahoo Messenger............................... 3-6
MultiNAT Configuration ................................................... 3-6
Easy Setup Profile configuration ............................ 3-6
Server Lists and Dynamic NAT configuration........... 3-7
IP setup .............................................................. 3-7
Modifying map lists............................................ 3-12
Adding Server Lists...................................................... 3-15
Modifying server lists......................................... 3-17
Deleting a server ............................................... 3-19
Binding Map Lists and Server Lists............................... 3-21
IP profile parameters.......................................... 3-21
IP Parameters (WAN Default Profile) .................... 3-23
NAT Associations ......................................................... 3-25
IP Passthrough ............................................................ 3-27
MultiNAT Configuration Example.................................... 3-31
Chapter 4 — Virtual Private Networks (VPNs)............................4-1
Overview....................................................................... 4-1
About PPTP Tunnels ....................................................... 4-4
PPTP configuration ............................................... 4-4
About IPsec Tunnels....................................................... 4-7
About L2TP Tunnels ....................................................... 4-8
L2TP configuration ............................................... 4-8
About GRE Tunnels ...................................................... 4-11
VPN force-all...................................................... 4-14
About ATMP Tunnels..................................................... 4-15
