Read the User Guide (pg 81):
"The Router reads the correct time from NTP servers on the Internet and
sets its system clock accordingly."
So yes, the router needs to access port 123.
If you don't have a User Guide it's available here:
http://support.3com.com/infodeli/too...554-taaa01.pdf
Lance
*****
(E-Mail Removed) thought carefully and wrote on 8/19/2005 11:30 PM:
> Hi all!
>
> I have a 3COM OC Wireless 11g Cable/DSL router here
> (3CRWE554G72T/3CRWE554G72TU) with firmware V2.01.05.
> This unit is working fine, except for the nuisance that the clock
> starts at jan 1st, 1970 on boot. There doesn't seem to be a place in
> the setup where I can set the clock at all...
>
> Since the unit refers to this time as 'Internet time', does that mean
> it uses NTP to obtain the correct setting? If so, will it help to let
> the router access port 123 on the Internet?
>
>
> Regards,
> Evert
>