H3C Technologies H3C MSR 5600 - Manual (Page 88)

75
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 No Yes No N/A
No authentication. NTP
messages can be sent and
received correctly.
Yes N/A No Yes N/A
Failed. NTP messages cannot
be sent and received correctly.
Yes N/A No No N/A
No authentication. NTP
messages can be sent and
received correctly.
No N/A N/A Yes N/A
Failed. NTP messages cannot
be sent and received correctly.
No N/A N/A No N/A
No authentication. NTP
messages can be sent and
received correctly.
Configuring NTP authentication in multicast mode
When you configure NTP authentication in multicast mode, enable NTP authentication, configure an
authentication key, set the key as a trusted key on both the multicast client and server, and configure an
NTP authentication key on the multicast server. The key IDs and key values configured on the multicast
server and client must be the same. Otherwise, NTP authentication fails.
To configure NTP authentication for a multicast 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.
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.