3com 4500 26-PORT User Manual

C

HAPTER

 12: U

SING

 S

YSTEM

 M

ANAGEMENT

 C

OMMANDS

Use the 

command to enable the NTP 

authentication.

Use the 

command to disable the 

NTP authentication.

By default, the NTP authentication is disabled.

Enable the NTP authentication.

<SW4500> system-view

System View: return to User View with Ctrl+Z. 

[SW4500] ntp-service authentication enable

key-id authentication-mode md5 

System view

: Authentication key ID, in the range of 1 to 4294967295.

value

: Authentication key, a string comprising 1 to 32 characters. Up to 1024 keys 

can be configured.

Use the 

 command to configure an NTP 

authentication key.

Use the 

command to remove an NTP 

authentication key.

By default, no NTP authentication key is configured.

Currently, the system only supports the message digest 5 (MD5) algorithm.

Configure an MD5 authentication key, with the key ID being 10 and the key being 
BetterKey.

<SW4500> system-view

System View: return to User View with Ctrl+Z. 

[SW4500] ntp-service authentication-keyid 10 authentication-mode md5