From: Balaji Siva (bsivasub@gmail.com)
Date: Wed Aug 10 2005 - 18:08:00 GMT-3
All sups do have hw clock. Also true for cat4500 sups. It also has a
battery obviously to keep after power-cycle. Just go ahead and try it
:)
On 8/10/05, Church, Chuck <cchurch@netcogov.com> wrote:
> Tom,
>
> I'm not sure if all 6500s sups have the calendar, but I know for
> sure that the Sup720 with MSFC3 and the Sup2 with MSFC2 have
> calendar/hardware clock. Any router that has a hardware clock will keep
> the current time, even after a reload. But like any other hardware
> clock, like on a PC or a watch, it'll drift a second every day, and
> eventually be off. Using NTP to update the hardware calendar will make
> sure that the hardware clock is always accurate to a few milliseconds.
> So defining a couple reliable NTP servers for a 6500, and updating the
> calendar via NTP is probably your best bet.
>
>
> Chuck Church
> Lead Design Engineer
> CCIE #8776, MCNE, MCSE
> Netco Government Services - Design & Implementation Team
> 1210 N. Parker Rd.
> Greenville, SC 29609
> Home office: 864-335-9473
> Cell: 864-266-3978
> cchurch@netcogov.com
> PGP key: http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x4371A48D
>
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> Tom Young
> Sent: Wednesday, August 10, 2005 6:41 AM
> To: ccielab@groupstudy.com
> Subject: cat6500's hardware clock
>
> Hi, group
>
> I had been heard the catalyst6000 hasn't hardware
> clock, if you set the clock and power off/on the switch ,
> the system time will be reset.
> But I found the ntp update-calendar command on the
> switch, from CCO, it said MSFC will update the hardware
> calendar with the NTP time.
> I confused. what the function of that command ?
> Dose the cat6500 keeps hardware clock ?
>
> thanks alot
>
> __________________________________
> Save the earth
> http://pr.mail.yahoo.co.jp/ondanka/
>
> _______________________________________________________________________
> Subscription information may be found at:
> http://www.groupstudy.com/list/CCIELab.html
>
> _______________________________________________________________________
> Subscription information may be found at:
> http://www.groupstudy.com/list/CCIELab.html
This archive was generated by hypermail 2.1.4 : Sun Sep 04 2005 - 17:01:19 GMT-3