configure cisco router – summertime in Poland

Last time I have some problem with changing time from summertime to wintertime in poland. My home Cisco Router (model 871) has ntp source time, but has not properly change time to wintertime. Here are the steps to configure it properly in Poland:

router# conf t
Enter configuration commands, one per line.  End with CNTL/Z.
router(config)#clock timezone GMT 1 0
router(config)#clock summer-time GMT recurring last Sun Mar 2:00 last Sun Oct 2:00
router(config)#exit
router#write

After that we have:

router#show clock detail
10:04:56.418 GMT Sat Nov 5 2011
Time source is NTP
Summer time starts 02:00:00 GMT Sun Mar 25 2012
Summer time ends 02:00:00 GMT Sun Oct 28 2012
router#

And that’s all to do…
Hope that helped someone :)

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