HP MSR2000/3000/4000 Router Series Network Management and Monitoring Configuration Guide

76
Ste
p
Command Remarks
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 6. (N/A in the ta
ble means that whether the configuration is
performed does not make any difference.)
Table 6 NTP authentication results
Multicast server Multicast client
Authentication
result
Enable
NTP
authentic
ation
Configure a
key and
configure it as
a trusted ke
y
Associate the
key with a
multicast server
Enable NTP
authenticatio
n
Configure a
key and
configure it as
a trusted ke
y
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.