User's Manual

696 CHAPTER 17: USING 3COM NETWORK DIRECTOR ON A MULTI-SITE NETWORK
Figure 368 Retry/Timeout Tab
The DNS Values frame allows you to configure the number of retries and
the timeout period for all DNS requests, and lists the DNS servers that will
be used for handling these requests. 3Com Network Director
uses DNS
requests during the discovery process to try to determine the names of
discovered IP devices. See “
DNS Name Resolution ” on page 95 for more
details.
If one or more of the DNS servers that are listed are located at remote
sites where the paths to those sites include high latency or unreliable
WAN links then you may wish to increase the timeout period or number
of retries respectively.
Increasing the number of retries or the timeout period in the DNS Values
frame affects all DNS requests made by 3Com Network Director. It is not
possible to specify different numbers of retries or timeout periods for
different DNS servers.