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IEEE 1588: With the Precision Time Protocol IEEE 1588 there is now, for the first time, a
standard available which makes it possible to synchronize the clocks of different end
devices over a network at speeds faster than one microsecond.
To enable IEEE 1588, select Enable in PTP Status and choose Auto, Master or Slave
Mode. After time synchronized, the system time will display the correct time of the PTP
server.
Time-zone: Select the time zone where the switch is located. Following table lists the time
zones for different locations for your reference. The default time zone is GMT Greenwich
Mean Time.
Switch(config)# clock timezone
01 (GMT-12:00) Eniwetok, Kwajalein
02 (GMT-11:00) Midway Island, Samoa
03 (GMT-10:00) Hawaii
04 (GMT-09:00) Alaska
05 (GMT-08:00) Pacific Time (US & Canada) , Tijuana
06 (GMT-07:00) Arizona
07 (GMT-07:00) Mountain Time (US & Canada)
08 (GMT-06:00) Central America
09 (GMT-06:00) Central Time (US & Canada)
10 (GMT-06:00) Mexico City
11 (GMT-06:00) Saskatchewan
12 (GMT-05:00) Bogota, Lima, Quito
13 (GMT-05:00) Eastern Time (US & Canada)
14 (GMT-05:00) Indiana (East)
15 (GMT-04:00) Atlantic Time (Canada)
16 (GMT-04:00) Caracas, La Paz
17 (GMT-04:00) Santiago
18 (GMT-03:00) NewFoundland
19 (GMT-03:00) Brasilia
20 (GMT-03:00) Buenos Aires, Georgetown
21 (GMT-03:00) Greenland
22 (GMT-02:00) Mid-Atlantic
23 (GMT-01:00) Azores
24 (GMT-01:00) Cape Verde Is.