[nsp] NTP server in 800 Series routers

[Victor Sudakov]

James Sneeringer wrote:
> On Tue, Sep 24, 2002 at 01:45:26PM +0700, Victor Sudakov wrote:
> | James Sneeringer wrote:
> | > Judging from the release notes through IOS 12.2, the 800 series does
> | > not support full NTP in any feature set.
> | 
> | Should I believe you or Harold? :)
> 
> In Harold's defense, Feature Navigator specifically lists only the 805 and
> 806 with NTP support.  You mentioned you had an 805, but the command output
> you showed us was from an 828.  Have you tested it on an 805?

No, I have not. I have none at the moment, therefore I was asking
here. We are planning to buy several 805 to connect remote workshops
over V.35.

> 
> | Sounds too complicated. What if I just enable "ip directed-broadcast"
> | on the spoke router and make the hub router send NTP broadcasts to the
> | remote net's broadcast address?
> 
> I suppose that would work.  Just be sure to prevent unauthorized hosts
> from also sending directed broadcasts, otherwise you could end us being
> used as a smurf amplifier.

I believe an ACL applied to the "ip directed-broadcast" statement
should suffice.

Thanks a lot for responding.

-- 
Victor Sudakov,  VAS4-RIPE, VAS47-RIPN