Extreme Networks ExtremeWare XOS Guide Manual page 69

6 You can verify the configuration using the following commands:
■
show sntp-client
This command provides configuration and statistics associated with SNTP and its connectivity to
the NTP server.
■
show switch {detail}
This command indicates the GMT offset, the Daylight Savings Time configuration and status, and
the current local time.
NTP updates are distributed using GMT time. To properly display the local time in logs and other time-
stamp information, the switch should be configured with the appropriate offset to GMT based on
geographical location. Table 11
Table 11: Greenwich Mean Time offsets
GMT
Offset in GMT Offset
Hours in Minutes
+0:00 +0
-1:00 -60
-2:00 -120
-3:00 -180
-4:00 -240
-5:00 -300
-6:00 -360
-7:00 -420
-8:00 -480
-9:00 -540
-10:00 -600
-11:00 -660
-12:00 -720
+1:00 +60
+ 2:00 +120
+3:00 +180
ExtremeWare XOS 11.1 Concepts Guide
lists GMT offsets.
Common Time Zone References
GMT - Greenwich Mean
UT or UTC - Universal (Coordinated)
WET - Western European
WAT - West Africa
AT - Azores
AST - Atlantic Standard
EST - Eastern Standard
CST - Central Standard
MST - Mountain Standard
PST - Pacific Standard
YST - Yukon Standard
AHST - Alaska-Hawaii Standard
CAT - Central Alaska
HST - Hawaii Standard
NT - Nome
IDLW - International Date Line West
CET - Central European
FWT - French Winter
MET - Middle European
MEWT - Middle European Winter
SWT - Swedish Winter
EET - Eastern European, Russia Zone 1
BT - Baghdad, Russia Zone 2
Using the Simple Network Time Protocol
Cities
London, England; Dublin, Ireland;
Edinburgh, Scotland; Lisbon, Portugal;
Reykjavik, Iceland; Casablanca, Morocco
Cape Verde Islands
Azores
Brasilia, Brazil; Buenos Aires, Argentina;
Georgetown, Guyana
Caracas; La Paz
Bogota, Columbia; Lima, Peru; New York,
NY, Trevor City, MI USA
Mexico City, Mexico
Saskatchewan, Canada
Los Angeles, CA, Santa Clara, CA,
Seattle, WA USA
Paris France; Berlin, Germany;
Amsterdam, The Netherlands; Brussels,
Belgium; Vienna, Austria; Madrid, Spain;
Rome, Italy; Bern, Switzerland;
Stockholm, Sweden; Oslo, Norway
Athens, Greece; Helsinki, Finland;
Istanbul, Turkey; Jerusalem, Israel;
Harare, Zimbabwe
Kuwait; Nairobi, Kenya; Riyadh, Saudi
Arabia; Moscow, Russia; Tehran, Iran
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