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ATP-CNX-040-01 Rel. 1.3, Doc. Rev. 01.07 3-21
Configuring the Aastra CNX
7
(cont’d)
Network configuration attributes continued
Note: You can enter up to four NTP servers in your network, and press <Enter>. For example:
NTP Server #1: [pool.ntp.org]: 192.167.2.11 ↵
NTP Server #2: [pool.ntp.org]: 192.167.2.12 ↵
NTP Server #3: [pool.ntp.org]: 0.0.0.0 ↵
NTP Server #4: [pool.ntp.org]: 0.0.0.0 ↵
You can enter up to four NTP servers. If you have less than four NTP servers, enter the IP
address(es) for the NTP servers that you have, and then enter 0.0.0.0 for the remaining NTP
entries.
If you do not have your own NTP server, and the Aastra CNX has Internet connectivity, you may use
the default server entry of pool.ntp.org.
Aastra Telecom strongly recommends the use of NTP servers, either your own or the default
servers. NTP servers avoid clock slippage and inconsistent conference start times on the Aastra
CNX. However, you may completely disable the NTP server feature by setting the IP address of all
four servers to 0.0.0.0.
8 Click to save the configuration to the Aastra CNX and to the CompactFlash card.
Step Action
Attribute Default Valid Values/Description
NTP Server 1 <Current NTP
Server 1 address
of Aastra CNX>
Description: IP address of NTP server 1.
NTP Server 2 <Current NTP
Server 2 address
of Aastra CNX>
Description: IP address of NTP server 2.
NTP Server 3 <Current NTP
Server 3 address
of Aastra CNX>
Description: IP address of NTP server 3.
NTP Server 4 <Current NTP
Server 4 address
of Aastra CNX>
Description: IP address of NTP server 4.