Configuration Of Optional Ntp Parameters - 3Com 7757 Configuration Manual

Configuration of
Optional NTP
Parameters
Table 605 Configure NTP authentication on the server
Operation
Configure the
specified key to be a
trusted key
Enter VLAN interface
view
Associate a specified
key with the
corresponding NTP
server
n
The procedures for configuring NTP authentication on the server are the same as
that on the client. Besides, the client and the server must be configured with the
same authentication key.
The configurations of optional NTP parameters are:
Setting the local clock as the NTP master clock
■
Configuring the local VLAN interface that sends NTP packets
■
Configuring the number of the dynamic sessions that can be established locally
■
Disabling the VLAN interface configured on a switch from receiving NTP
■
packets
Disabling NTP service globally
■
Table 606 Configure optional NTP parameters
Operation
Enter system view
Configure the local
clock as the NTP
master clock
Configure the local
interface that sends
NTP packets
Configure the number
of the sessions that
can be established
locally
Enter VLAN interface
view

Configuration of Optional NTP Parameters

Command
ntp-service reliable
authentication-keyid key-id
interface interface-type
interface-number
Broadcast server mode:
ntp-service broadcast-server
authentication-keyid key-id
Multicast server mode:
ntp-service multicast-server
authentication-keyid key-id
Command
system-view
ntp-service refclock-master
[ ip-address ] [ stratum ]
ntp-service source-interface
interface-type interface-number
ntp-service
max-dynamic-sessions number
interface interface-type
interface-number
Description
Required
By default, an authentication key is
not a trusted key
-
In NTP broadcast server mode
■
and NTP multicast server mode,
you need to associate the
specified key with the
corresponding NTP server on
the server
You can associate an NTP
■
server with an authentication
key while configuring a switch
to operate in a specific NTP
mode. You can also associate
them using this command after
configuring the NTP mode
where a switch is to operate
Description
-
Optional
Optional
Optional
By default, up to 100 dynamic
sessions can be established locally.
-
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