3Com 155 PCI manual Change the global NIC parameters if necessary

Installing the Network Driver 3-15

3Change the global NIC parameters if necessary.

Global parameters values are the same for every NIC in the computer system.

aSelect a VPI/VCI range.

Select the VPI/VCI range that matches the VPI/VCI range set on the ATM switch by the ATM network administrator. The default is 0 bits VPI, 12 bits VCI.

bSelect a signaling option.

Select the option that matches the signaling option set on the ATM switch by the ATM network administrator. The default is UNI version 3.1.

4Change the local NIC parameters if necessary.

Local parameter values are specific to the NIC being configured.

aSelect a LAN type for the NIC.

All ELANs allocated to this NIC will be of this same LAN type. The default value is Ethernet.

bSet the maximum frame size (also known as the maximum transfer unit [MTU]). Select 1514 for Ethernet, 4542 for 4 Mbps token ring, or 9232 for 16 Mbps token ring. The same maximum frame size value should be used by all end stations on the same network.

cEdit the ILMI VPI/VCI parameters if necessary.

The ILMI VPI/VCI is set on the ATM switch. Most implementations of ILMI use the default value of VPI 0 and VCI 16.