Manual
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Москва, Новозаводская ул., 18, стр. 1 
438 
ntp server {<ip-address> | <ipv6-address>} 
[version <version_no>] [key <key-id>] 
no ntp server {<ip-address> | <ipv6-
address>} 
To  enable  the  specified  time  server  of  time 
source. 
3.  To configure the max number of broadcast or multicast servers supported by the NTP client 
Command 
Explication 
Global Mode 
ntp broadcast server count <number> 
no ntp broadcast server count 
Set the max number of broadcast or multicast 
servers supported by the NTP client. The no 
operation  will  cancel  the  configuration  and 
restore the default value. 
4.  To configure time zone 
Command 
Explication 
Global Mode 
clock timezone WORD {add | subtract} <0-
23> [<0-59>] 
no clock timezone WORD 
This command configures timezone in global 
mode,  the  no  command  deletes  the 
configured timezone. 
5.  To configure NTP access control list 
Command 
Explication 
Global Mode 
ntp access-group server <acl> 
no ntp access-group server < acl> 
To configure NTP server access control list. 
6.  To configure NTP authentication 
Command 
Explication 
Global Mode 
ntp authenticate 
no ntp authenticate 
To enable NTP authentication function. 
ntp authentication-key <key-id> md5 
<value> 
no ntp authentication-key <key-id> 
To  configure  authentication  key  for  NTP 
authentication. 
ntp trusted-key <key-id> 
no ntp trusted-key <key-id> 
To configure trusted key. 










