User's Manual

Device Management
Device Discovery
Cisco ISA500 Series Integrated Security Appliance Administrator Guide 321
10
• Use Custom NTP Servers: Click this option to use a custom NTP server.
Enter the IP addresses or domain names of up to two custom NTP servers in
the Server 1 Name/IP Address and Server 2 Name/IP Address fields. The
Server 1 is the primary NTP server and the Server 2 is the secondary NTP
server.
• Current Time: The current date and time sychronized with the configured
NTP server.
STEP 4 Click Save to apply your settings.
Device Discovery
The security appliance supports the following tools to discover the devices:
• UPnP, page 321
• Bonjour, page 322
• CDP, page 323
• LLDP, page 324
UPnP
UPnP (Universal Plug and Play) allows for automatic discovery of devices that can
communicate with your security appliance. The UPnP Portmap table displays the
port mapping entries of the UPnP-enabled devices that accessed your security
appliance.
STEP 1 Click Device Management -> Discovery -> UPnP.
The UPnP window opens.
STEP 2 Enter the following information:
• UPnP: Click On to enable UPnP, or click Off to disable UPnP. If UPnP is
disabled, the security appliance will not allow for automatic device
configuration.
• LAN: Choose an existing VLAN to which the UPnP information is
broadcasted and listened on.