3Com 10014298 manual Configuring NTP ID Authentication, Setting the NTP Authentication Key

NTP 283

Configuring NTP ID Authentication

Enable NTP authentication, set the MD5 authentication key, and specify the reliable key. A client will synchronize itself by a server only if the server can provide a reliable key.

Perform the following configurations in system view.

Table 325 Configuring NTP Authentication

Operation	Command
Enable NTP authentication	ntp-service authentication enable
Disable NTP authentication	undo ntp-service authentication
	enable

Setting the NTP Authentication Key

This configuration task sets the NTP authentication key.

Perform the following configurations in system view.

Table 326 Configuring the NTP Authentication Key

Operation	Command
Configure the NTP authentication key	ntp-service authentication-keyid
	number authentication-mode md5
	value
Remove the NTP authentication key	undo ntp-service
	authentication-keyid number

Key number number ranges from 1 to 4294967295; the key value contains 1 to 32 ASCII characters.

Setting the Specified Key to Be Reliable

This configuration task is to set the specified key as reliable.

Perform the following configurations in system view.

Table 327 Setting the Specified Key as Reliable

Operation	Command
Set the specified key as reliable	ntp-service reliable
	authentication-keyid key-number
Cancel the specified reliable key.	undo ntp-service reliable
	authentication-keyid key-number

Key number key-numberranges from 1 to 4294967295

Designating an Interface to Transmit the NTP Message

If the local equipment is configured to transmit all NTP messages, these packets have the same source IP address, which is taken from the IP address of the designated interface.