3Com Switch 8800 Configuration Guide Chapter 49 NTP Configuration
49-7
Table 49-8 Configure NTP authentication key
Operation Command
Configure NTP authentication key ntp-service authentication-keyid number
authentication-mode md5 value
Remove 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.
49.2.4 Setting Specified Key as Reliable This configuration task is to set the specified key as reliable.
Perform the following configuration in system view.
Table 49-9 Set 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-number ranges from 1 to 4294967295
49.2.5 Designating an Interface to Transmit NTP Messages If the local equipment is configured to transmit all the NTP messages, these packets
will have the same source IP address, which is taken from the IP address of the
designated interface.
Perform the following configuration in system view.
Table 49-10 Designate an interface to transmit NTP messages
Operation Command
Designate an interface to
transmit NTP messages
ntp-service source-interface { interface-name |
interface-type interface-number }
Cancel the interface to
transmit NTP messages undo ntp-service source-interface
An interface is specified by interface-name or interface-type interface-number, and the
interface can be VLAN interface and Loopback interface at present. The source
address of the packets will be taken from the IP address of the interface. If the