Management and Configuration Guide K/KA/KB.15.15

Contents
1 Time Protocols..........................................................................................22
General steps for running a time protocol on the switch...............................................................22
About SNTP time synchronization.........................................................................................22
About TimeP time synchronization........................................................................................23
Selecting a time synchronization protocol...................................................................................23
timesync command............................................................................................................23
Enabling and disabling time synchronization protocols................................................................23
Enabling SNTP..................................................................................................................23
broadcast | unicast switch..............................................................................................23
Enabling SNTP in Broadcast Mode..................................................................................24
Enabling SNTP in unicast mode......................................................................................24
Enabling TimeP..................................................................................................................26
Enabling TimeP in DHCP mode.......................................................................................26
Enabling TimeP operation in manual mode.......................................................................27
Viewing, enabling, and modifying the TimeP protocol (Menu).............................................28
Disabling time synchronization protocols ..............................................................................29
Disabling time synchronization without changing the TimeP or SNTP configuration.................29
Disabling SNTP Mode...................................................................................................30
Deleting an SNTP server............................................................................................31
Disabling SNTP by deleting a server...........................................................................31
Disabling the TimeP mode..............................................................................................31
Disabling time synchronization in DHCP mode by disabling the TimeP mode parameter....31
Viewing and configuring time synchronization protocol parameters...............................................32
Viewing and configuring SNTP parameters............................................................................32
Viewing all SNTP server addresses configured on the switch ..............................................32
Enabling SNTP client authentication.................................................................................33
Requirements to enable SNTP client authentication........................................................33
Configuring other SNTP Parameters.................................................................................34
SNTP disabled.........................................................................................................34
SNTP for broadcast or unicast mode...........................................................................34
Poll interval..................................................................................................................34
SNTP unicast time polling with multiple SNTP servers....................................................35
Server priority...............................................................................................................35
Version........................................................................................................................35
Server address..............................................................................................................35
Adding and deleting SNTP server addresses................................................................36
Viewing and configuring SNTP parameters (Menu).................................................................36
Viewing and configuring TimeP parameters...........................................................................38
Disabling TimeP............................................................................................................38
Timesync .....................................................................................................................38
Enabling TimeP in DHCP or manual mode........................................................................38
Poll interval..................................................................................................................38
Changing the TimeP poll interval................................................................................38
Server address..............................................................................................................38
Changing from one TimeP server to another.................................................................38
Disabling time synchronization.................................................................................................38
Other time protocol commands................................................................................................39
Show management command.............................................................................................39
Show SNTP command........................................................................................................39
Show TimeP command.......................................................................................................40
Viewing and configuring SNTP.................................................................................................42
Contents 3