Chapter 3 Nortel VPN Router 1700 and 1600 option installation 57
5 The VPN Router 1700 must be running Version 4.90 or later.
6 The VPN Router 1700 must be running Version 4.80 or later.
7 The VPN Router 1700 must be running Version 4.80 or later.
8 The gateway must be running Version 4.76 or later, or the hardware revision must be at least 03.
Nortel VPN Router Installation — Hardware Options