Specifications

8-5

TCP/IP Network Characteristics

Supernetted IP Addresses

The CNAS software supports the use of supernetted IP addresses. Supernetting

allows you to conﬁgure the access server and its ports with a subnet mask shorter

than the intrinsic subnet mask (for example, 255.255.255.0 for a Class C address).

With supernetting, you can give a Class C subnet mask a range of 255.255.0.0 to

255.255.255.254. This allows you to address a block of Class C IP addresses as a

“domain” or a single destination address with more than 254 hosts.

Displaying the Internet Address and Subnet Mask

To display the Internet address and subnet mask, use the

SHOW/LIST/MONITOR INTERNET command.

Internet Address and Subnet Mask Display Example

The following example shows how to display the current Internet address and

subnet mask for the access server:

Local> SHOW INTERNET

State Enabled

Internet Address: 195.1.1.1

Subnet Mask: 255.255.255.0

DHCP: Enabled

TCP Keepalive Timer: Disabled

TCP Keepalive Retry: 8

Local>