APC NBRK0320E Datasheet download pdf (Page 128)

Advanced View: Configuring Appliances

Using Your Appliance 119

When you are finished editing the network interface settings, click OK to save any changes to the

appliance. Click Cancel to close this window without saving any changes.

IP The IP address assigned to the selected network interface. This

field is available only if you have selected the Configure using

these settings radio button.

Subnet Mask The subnet mask for the network that will be used by the

selected network interface. This field is available only if you

have selected the Configure using these settings radio button.

Gateway The IP address of the gateway in the network that will be used

by the selected network interface. This field is available only if

you have selected the Configure using these settings radio

button.

Hostname The host name assigned to the appliance. If you change the

hostname value and are using a DHCP server for IP

configuration the appliance will use the new hostname until the

next time it renews its IP address license and will request that

the DHCP server use the hostname you entered as the

appliance’s hostname from now on.

NAT Proxy Name The name or IP address that is used by a NAT Proxy server in

your network to enable users to connect to the appliance from

outside the firewall. This address will be included in E-mail alert

notifications that are generated by the appliance instead of the IP

address used to identify the appliance within the firewall.

Recipients will then be able to click on the link contained in the

E-mail and connect to the appliance even if they are outside the

firewall.

Note: A NAT Proxy Name is needed only if your appliances are

behind a NAT Proxy firewall. If you are not using a NAT Proxy,

leave this field blank.

Speed and Duplex Use this setting to force the network interface to use specific

speed and duplex settings, or to configure the interface to auto-

negotiate these settings. You can choose Auto Negotiate,

100BaseTx Full Duplex, 100BaseTx Half Duplex, 10BaseT Full

Duplex, 10BaseT Half Duplex, or 1000Base Tx Full Duplex

(1000Base Tx Full Duplex will be available only if a supported

gigabit Ethernet card is installed and properly configured).

MTU Specifies the Maximum Transmission Unit, the largest physical

packet size, measured in bytes, that a network can transmit. Any

messages larger than the MTU are divided into smaller packets

before being sent. Every network has a different MTU, which is

set by the network administrator. Ideally, you want the MTU to

be the same as the smallest MTU of all the networks between

your machine and a message's final destination. Otherwise, if

your messages are larger than one of the intervening MTUs, they

will get broken up (fragmented), which slows down

transmission speeds.

Field Description

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APC NBRK0320E Datasheet Page 128

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