Reverse address entries

Matus UHLAR - fantomas uhlar at
Wed Jul 3 08:37:07 UTC 2013

On 02.07.13 08:53, Daniel McDonald wrote:
>I've had trouble with OSI-Soft PI historian without reverse entries.  If
>there is no reverse, then the PI software would spend about 30 seconds
>looking in vain for a DNS answer before sending a SYN-ACK packet. 

If there is no reverse, the software should get NXDOMAIN answer. in such
case there's nothing to wait for any longer. 
Are you sure that was not a case of unreachable servers?

Matus UHLAR - fantomas, uhlar at ;
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