H3C Technologies H3C MSR 5600 - Manual (Page 87)

74
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 broadcast 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 broadcast server. ntp-service broadcast-server
authentication-keyid keyid By default, the broadcast server is
not associated with any 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.)
Table 5 NTP authentication results
Broadcast server Broadcast client
Authentication result
Enable
NTP
authentic
ation
Configure a
key and
configure it
as a trusted
key
Associate
the key with
a broadcast
server
Enable NTP
authenticati
on
Configure
a key and
configure
it as a
trusted
key
Yes Yes Yes Yes Yes
Succeeded. NTP messages can
be sent and received correctly.
Yes Yes Yes Yes No
Failed. NTP messages cannot
be sent and received correctly.
Yes Yes Yes No N/A
Failed. NTP messages cannot
be sent and received correctly.
Yes No Yes Yes N/A
Failed. NTP messages cannot
be sent and received correctly.