H3C Technologies H3C S6300 Series Switches - Manual (Page 37)

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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.
To configure NTP authentication for a multicast 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.
5. Enter interface view.
interface interface-type
interface-number
N/A
6. Associate the specified key
with the multicast server.
• Associate the specified key with
a multicast server:
ntp-service multicast-server
[ ip-address ]
authentication-keyid keyid
• Associate the specified key with
an IPv6 multicast server:
ntp-service ipv6
multicast-server
ipv6-multicast-address
authentication-keyid keyid
By default, no multicast server is
associated with the specified key.
NTP authentication results differ when different configurations are performed on broadcast client and
server. For more information, see Table 5 . (N/A in the table means that whether the configuration is
performed does not make any difference.)