3Com 4210 PWR Configuration Manual page 379

9/18/26 port and pwr 9/18/26 port 4210 series switch
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Configuration Procedure
n
Configuring NTP authentication on the client
Table 291 Configure NTP authentication on the client
Operation
Enter system view
Enable the NTP authentication
function
Configure the NTP
authentication key
Configure the specified key as
a trusted key
Associate
Configure on the
the
client in the
specified
server/client mode
key with
Configure on the
the
symmetric-active
correspo
peer in the
nding
symmetric peer
NTP
mode
server
NTP authentication requires that the authentication keys configured for the server
and the client be the same. Besides, the authentication keys must be trusted keys.
Otherwise, the clock of the client cannot be synchronized with that of the server.
Configuring NTP authentication on the server
Table 292 Configure NTP authentication on the server
Operation
Enter system view
Enable NTP authentication
Configure an NTP
authentication key
Configure the specified key as
a trusted key
Enter VLAN interface view
Configuring NTP Authentication
Command
system-view
ntp-service authentication
enable
ntp-service
authentication-keyid key-id
authentication-model md5
value
ntp-service reliable
authentication-keyid key-id
ntp-service unicast-server {
remote-ip | server-name }
authentication-keyid key-id
ntp-service unicast-peer {
remote-ip | peer-name }
authentication-keyid key-id
Command
system-view
ntp-service authentication
enable
ntp-service
authentication-keyid key-id
authentication-mode md5
value
ntp-service reliable
authentication-keyid key-id
interface Vlan-interface
vlan-id
377
Description
-
Required
Disabled by default.
Required
By default, no NTP
authentication key is
configured.
Required
By default, no trusted key is
configured.
Required
For the client in the NTP
broadcast/multicast mode,
you just need to associate the
specified key with the client
on the corresponding server.
Description
-
Required
Disabled by default.
Required
By default, no NTP
authentication key is
configured.
Required
By default, no trusted
authentication key is
configured.
-

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