Cisco Cisco NAC Appliance 4.9.2 Installation Guide

This section provides information on the following:

To perform initial configuration, you will need to connect to your NAC Appliance and access its 
command line. 

You can access the command line of the NAC Appliance in one of two ways:

Connect a monitor and keyboard directly to the machine via the keyboard/video monitor 
connectors on the back panel of the machine (preferred method), or 

Connect a serial cable from a workstation (PC/laptop) to the machine and open a serial 
connection on the workstation using terminal emulation software (such as HyperTerminal or 
SecureCRT). For details, see Connecting Serially to the NAC Appliance, page 21. 

Connect a straight-through Category 5 Ethernet cable to the eth0 (NIC1) 10/100/1000 
Ethernet port on the back panel of the NAC Appliance (CAM or CAS) and to your local area 
network. 

If planning to configure the CAS NAC Appliance as a NAT Gateway or Real-IP Gateway for 
testing, connect a straight-through Category 5 Ethernet cable to the eth1 (NIC2) 10/100/1000 
Ethernet port on the back panel of the CAS and to your local area network.

If planning to configure the CAS as a Virtual Gateway—either an In-Band (IB) or 
Out-of-Band (OOB)—leave the untrusted interface (eth1) of the CAS unplugged until 
after you have added the CAS to the CAM from the web admin console (and, for 
Central Deployments, configured VLAN Mapping) to prevent network connectivity 
issues. For details, see the 

.

Connect the AC power cord to the back panel of the NAC Appliance and to a grounded AC 
outlet.