APC NetBotz 200 Podręcznik Użytkownika Pobierz pdf (Strona 61)

USER’S GUIDE

NetBotz Rack Monitor 200

DNS (Administration>Network>DNS>options)

Use the options under DNS on the left navigation menu to configure and test the

Domain Name System (DNS):

Servers. Select servers to specify the IP addresses of the primary and optional

secondary DNS server. For the Main Module to send e-mail, at least the IP

address of

the primary DNS server must be defined.

The Main Module waits up to 15 seconds for a response from the primary DNS server

or the secondary DNS server (if a secondary DNS server is specified). If the Main

Module does not receive a response within that time, e-mail cannot be sent. Therefore,

use DNS servers on the same segment as the Main Module or on a nearby segment

(but not across a wide-area network [WAN]).

Naming. Select naming to define the Main Module host name and domain name:

• Host Name: After you configure a host name here and a domain name in the

Domain Name field, users can enter a host name in any field in the Main Module

interface (except e-mail addresses) that accepts a domain name.

• Domain Name: You need to configure the domain name here only. In all other fields

in the Main Module interface (except e-mail addresses) that accept domain names,

the Main Module adds this domain name when only a host name is entered.

– To override all instances of the expansion of a specified host name by the addition

of the domain name, set the domain name field to its default, somedomain.com,

or to 0.0.0.0.

– To override the expansion of a specific host name entry (for example, when

defining a trap receiver) include a trailing period. The Main Module recognizes a

host name with a trailing period (such as mySnmpServer.) as if it were a fully

qualified domain name and does not append the domain name.

To verify that DNS is working correctly after you define the IP addresses of the

DNS servers, see Test.

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APC NetBotz 200 Podręcznik Użytkownika Strona 61