3Com WXR100 3CRWXR10095A, WX4400 3CRWX440095A, WX1200 3CRWX120695A manual Managing Time, Parameters

124CHAPTER 6: CONFIGURING AND MANAGING IP INTERFACES AND SERVICES

Configuring and	You can configure the system time and date statically or by using
Managing Time	Network Time Protocol (NTP) servers. In each case, you can specify the
Parameters	offset from Coordinated Universal Time (UTC) by setting the time zone.
	You also can configure MSS to offset the time by an additional hour for
	daylight savings time or similar summertime period.
	3Com recommends that you set the time and date parameters before you
	install certificates on the WX switch. If the switch’s time and date are
	incorrect, the certificate might not be valid.
	Generally, CA-generated certificates are valid for one year beginning with
	the system time and date that are in effect when you generate the
	certificate request. Self-signed certificates generated when running MSS
	Version 4.2.3 or later are valid for three years, beginning one week
	before the time and date on the switch when the certificate is generated.
	If you do not install certificates, the switch automatically generates them
	the first time you boot the switch with MSS Version 4.2 or later. The
	automatically generated certificates are dated based on the time and
	date information present on the switch when it was first booted with
	MSS Version 4.2.

To statically set the time and date:

„Set the time zone (set timezone command)

„Set the summertime period (set summertime command)

„Set the time and date (set timedate command)

Configure summertime before you set the time and date. Otherwise, summertime’s adjustment of the time will make the time incorrect, if the date is within the summertime period.

To use NTP servers to set the time and date:

„Set the time zone (set timezone command)

„Set the summertime period (set summertime command)

„Configure NTP server information (set ntp commands)