In message <ea246cef-b258-4fe9-91bd-26f62263f...@hopcount.ca>, Joe Abley writes
:
> On 2010-03-08, at 17:08, George Barwood wrote:
> 
> > It's interesting to note that currently
> > 
> > dig any . @a.root-servers.net +dnssec
> > 
> > truncates, leading to TCP fallback
> > 
> > but
> > 
> > dig any . @l.root-servers.net +dnssec
> 
> > does not truncate ( response size is 1906 bytes ).
> 
> A runs BIND9, as far as I know. L runs NSD 3.2.4. Different implementations b
> ehave differently.
> 

Configured differently.  By default max-udp-size is 4096.  Yes there
are differences but this is not one.  Even the very oldest BIND9's
support a max-udp-size of 2048.  If A is running named then this is
a deliberate configuration choice.
 
> Joe
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-- 
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: ma...@isc.org
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