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

Martin Burnicki martin.burnicki at meinberg.de
Fri May 4 08:46:52 UTC 2007

Danny Mayer wrote:
> 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?

Shouldn't this be handled with bug #286:
"ntpdc -nc monlist output failure when amount of clients is over 512"

Martin Burnicki

Meinberg Funkuhren
Bad Pyrmont

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