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H3C Technologies H3C MSR 5600 User Manual

Page 83

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NTP server on the client. The key IDs and key values configured on the server and client must be the same.

Otherwise, NTP authentication fails.
To configure NTP authentication for a client:

Step Command

Remarks

1.

Enter system view.

system-view

N/A

2.

Enable NTP authentication.

ntp-service authentication enable

By default, NTP authentication is
disabled.

3.

Configure an NTP
authentication key.

ntp-service authentication-keyid
keyid authentication-mode md5

{ cipher | simple } value

By default, no NTP authentication
key is configured.

4.

Configure the key as a trusted

key.

ntp-service reliable
authentication-keyid keyid

By default, no authentication key is
configured as a trusted key.

5.

Associate the specified key
with an NTP server.

Associate the specified key with

an NTP server:
ntp-service unicast-server

{ ip-address | server-name }

[ vpn-instance

vpn-instance-name ]
authentication-keyid keyed

Associate the specified key with

an IPv6 NTP server
ntp-service ipv6 unicast-server

{ ipv6-address | server-name }

[ vpn-instance
vpn-instance-name ]

authentication-keyid keyid

By default, no NTP server is
specified.

To configure NTP authentication for a server:

Step Command

Remarks

1.

Enter system view.

system-view

N/A

2.

Enable NTP authentication.

ntp-service authentication enable

By default, NTP authentication is
disabled.

3.

Configure an NTP
authentication key.

ntp-service authentication-keyid
keyid authentication-mode md5

{ cipher | simple } value

By default, no NTP authentication
key is configured.

4.

Configure the key as a trusted
key.

ntp-service reliable
authentication-keyid keyid

By default, no authentication key is
configured as a trusted key.

NTP authentication results differ when different configurations are performed on client and server. For
more information, see

Table 3

. (N/A in the table means that whether the configuration is performed does

not make any difference.)

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