[ntp:questions] Max number of lines that ntpdc -c monlist could display

Danny Mayer mayer at ntp.isc.org
Fri May 4 02:52:47 UTC 2007

Ronan Flood wrote:
> mayer at ntp.isc.org (Danny Mayer) wrote:
>> Eugen COCA wrote:
>>> What is the maximum number of lines that
>>> ntpdc -c monlist
>>> command could display ?
>> #define	MAXMONMEM	600	/* we allocate up to 600 structures */
> I have that set to 1920 in ntp-4.2.2, which I calculate is the maximum
> number of IPv4 addresses that can be returned to ntpdc without changing
> the protocol (max 128 UDP packets).  Note that I need to use an earlier
> version of ntpdc, which is not IPv6 aware, to get the full list.  I also
> had to increase ntpdc's receive socket buffer size to cope
> (rbufsize = INITDATASIZE * 9), but that might be an OS issue.

Can you file a bug report on this?


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