[c-nsp] configuring RTC on a Cisco 1841 router

[Martin T]

Blake, Peter:

thanks! "calendar set" worked fine.


regards,
martin

2012/7/6 Blake Dunlap <ikiris at gmail.com>:
> http://www.cisco.com/en/US/docs/ios/12_2/configfun/command/reference/frf012.html#wp1017738
>
> -Blake
>
> On Fri, Jul 6, 2012 at 10:41 AM, Martin T <m4rtntns at gmail.com> wrote:
>>
>> Hi,
>>
>> some Cisco switches and routers have real-time clock built in. For
>> example Cisco 4500 series switch with WS-X4516-10GE SUP has a
>> RTC(CR1632 battery), Cisco 880 series routers or Cisco 1841
>> router(CR1225 battery). In case I remove the CR1225 battery from Cisco
>> 1841 battery socket and power on the router, it displays
>> "*01:16:27.911 UTC Thu Jan 1 1970" in "show clock" output which is
>> obvious as it has no clock source. Some platforms should default back
>> to "Mar 1 1993". I can correct the date and time within the IOS with
>> "clock set" command, but after the reload time is once again reset to
>> "Jan 1 1970" while the battery is in it's socket. Is there a way to
>> configure RTC when RTC battery/supercapacitor is for example replaced
>> with a new one?
>>
>>
>> Martin
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