Displaying And Maintaining Ntp; Ntp Configuration Examples; Configuring Ntp Server/Client Mode - 3Com MSR 50 Series Configuration Manual

2062 C 111: NTP C
HAPTER
Displaying and
Maintaining NTP
NTP Configuration
Examples
Configuring NTP
Server/Client Mode
ONFIGURATION
Configuring NTP authentication for a server
Follow these steps to configure NTP authentication for a server:
To do...
Enter system view
Enable NTP authentication
Configure an NTP
authentication key
Configure the key as a trusted
key
Enter interface view
Associate the specified key
with an NTP server
n
The procedure of configuring NTP authentication on a server is the same as that
on a client, and the same authentication key must be configured on both the
server and client sides.
To do...
View the information of NTP
service status
View the information of NTP
sessions
View the brief information of
the NTP servers from the local
device back to the primary
reference source
n
Unless otherwise specified, the examples given in this section apply to all routers
that support NTP.
Network requirements
The local clock of Device A is to be used as a reference source, with the stratum
■
level of 2.
Use the command...
system-view
ntp-service authentication
enable
ntp-service
authentication-keyid keyid
authentication-mode md5
value
ntp-service reliable
authentication-keyid keyid
interface interface-type
interface-number
Broadcast server mode:
ntp-service
broadcast-server
authentication-keyid keyid
Multicast server mode:
ntp-service
multicast-server
authentication-keyid keyid
Use the command...
display ntp-service status
display ntp-service sessions
[ verbose ]
display ntp-service trace
Remarks
-
Required
Disabled by default
Required
No NTP authentication key by
default
Required
No authentication key is
configured to be trusted by
default
-
Required
You can associate a
non-existing key with an NTP
server. To enable NTP
authentication, you must
configure the key and specify
it as a trusted key after
associating the key with the
NTP server.
Remarks
Available in any view
Available in any view
Available in any view