Chapter 6 Network
NSA-220 Plus User’s Guide
128
IP Subnet Mask Type an IP subnet mask in this field.
Default
Gateway
Type a default gateway address in this field.
DNS DNS (Domain Name System) is for mapping a domain name to its
corresponding IP address and vice versa. If you have the IP
address(es) of the DNS server(s), enter them.
Dynamic Select the option to have the NSA get a DNS server address
automatically.
Static Select this option to choose a static DNS server address. Type the
DNS server IP address(es) into the fields below.
Primary DNS
Server
Type a primary DNS server IP address.
Secondary
DNS Server
Type a secondary DNS server IP address.
HTTP (Web Configurator)
Enable Another
Web Configuration
Port
Select this to configure an additional HTTP port for accessing the web
configurator. Specify a number in the Port Number field.
Jumbo Frames Jumbo frames improve network performance. You must have a 1
Gbps (Gigabit Ethernet) network that supports jumbo frames. Select
the largest size of frame that all of your network devices (including
computer Ethernet cards and switches, hubs, or routers) support.
Note: If you enable jumbo frames on the NSA in a network that
does not support them, you will lose access to the NSA. If
this occurs, you will have to restore the factory default
configuration. Push the RESET button on the NSA’s rear
panel and release it after you hear a beep.
Network
Diagnostic Tool
Use this section to test the network connection to a particular IP
address or domain name. Select an address or type it into the field.
Then click Ping to have the NSA send a packet to test the network
connection. If the NSA is able to “ping” the host, the network
connection is OK.
Apply Click this to save your TCP/IP configurations. After you click Apply,
the NSA restarts. Wait until you see the Login screen or until the
NSA fully boots and then use the NDU to rediscover it.
Reset Click this to restore your previously saved settings.
Table 24 Network > TCP/IP (continued)
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