H3C S3100 8C SI User Manual

Operation Manual – NTP
H3C S3100 Series Ethernet Switches Chapter 1 NTP Configuration
1-15
Operation Command Description
Configure an NTP
authentication key
ntp-service
authentication-keyid
key-id
authentication-mode
md5 value
Required
By default, no NTP
authentication key is
configured.
Configure the specified
key as a trusted key
ntp-service reliable
authentication-keyid
key-id
Required
By default, no trusted
authentication key is
configured.
Enter VLAN interface
view
interface
Vlan-interface vlan-id
—
Configure
on the
NTP
broadcast
server
ntp-service
broadcast-server
authentication-keyid
key-id
Associate
the
specified
key with
the
correspon
ding
broadcast/
multicast
client
Configure
on the
NTP
multicast
server
ntp-service
multicast-server
authentication-keyid
key-id
z In NTP broadcast server
mode and NTP multicast
server mode, you need to
associate the specified key
with the corresponding
broadcast/multicast client
z You can associate an NTP
broadcast/multicast client
with an authentication key
while configuring NTP
mode. You can also use
this command to associate
them after configuring the
NTP mode.
 Note:
The procedure for configuring NTP authentication on the server is the same as that on
the client. Besides, the client and the server must be configured with the same
authentication key.
1.6 Configuring Optional NTP Parameters
Table 1-13 Optional NTP parameters configuration tasks
Task Remarks
Configuring an Interface on the Local Switch to Send NTP
messages
Optional
Configuring the Number of Dynamic Sessions Allowed on the Local
Switch
Optional
Disabling an Interface from Receiving NTP messages Optional

H3C S3100 8C SI Specifications

General

Brand	H3C
Model	S3100 8C SI
Category	Switch
Language	English