3Com SuperStack II PathBuilder S330 Reference Manual page 127

5 Configure the parameters for the LAN and ATM routers that will pass the IP traffic
across the ATM network.
a Select [5] Configure LAN Router to open the IP over ATM LAN Router
Configuration menu, shown in Figure 106.
Figure 106 IP over ATM LAN Router Configuration Menu
b Set the following parameters:
The IP address of the LAN router should be on the same subnet as the IP addresses
of the ATM router and the local host.
IP Address — The IP address of the LAN router that will pass the IP traffic
across the ATM network.
Subnet Mask — The subnet mask of the LAN router that will pass the IP traffic
across the ATM network.
c Select [3] Previous Menu to return to the IP over ATM menu.
d Select [6] Configure ATM Router to open the IP over ATM ATM Router
Configuration menu. This menu is the same as the IP over ATM LAN Router
Configuration menu, shown earlier in Figure 106, except that it displays and
allows you to set parameters for the ATM router rather than the LAN router.
e Set the IP Address and Subnet Mask for the ATM router.
f Select [3] Previous Menu to return to the IP over ATM menu.
6 Enable or disable IP over ATM.
a Select [2] Enable/Disable IP over ATM to open the IP over ATM Admin. Status
Change menu for IP over ATM status, shown in Figure 107.
Configuring the Ethernet Interface 113