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Table 4-6 Configure NTP multicast client mode
Operation Command
Configure NTP multicast client mode
ntp-service
multicast
-
client
[
X.X.X.X
]
Disable NTP multicast client mode
undo ntp-service
multicast
-
client
Multicast IP address X.X.X.X defaults to 224.0.1.1. This command must be
configured on the interface to be used for receiving NTP multicast messages.
4.2.2 Configure NTP Authentication
This task enables NTP authentication, sets MD5 authentication key, and specifies the
key as a reliable one. Working as a client, the router will not synchronize its clock with
the one provided by the server unless the server has provided the reliable
authentication key ID.
Perform the following configuration in system view.
Table 4-7 Configure NTP authentication
Operation Command
Enable NTP authentication
ntp-service authentication enable
Disable NTP authentication
undo ntp-service authentication enable
4.2.3 Set NTP Authentication Key
This task is used to set the NTP authentication key.
Perform the following configuration in system view.
Table 4-8 Configure NTP authentication key
Operation Command
Set NTP authentication key
ntp-service authentication-keyid
number
authentication-mode
md5
value
Remove the NTP authentication
key
undo ntp-service authentication-keyid
number
The argument number that defines the key ID is in the range of 1 to 4294967295 and
the key value is a string of 1 to 32 ASCII code characters.
3Com Router Configuration Guide Addendum for V1.20
47