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Conference azur::mcc

Title:DECmcc user notes file. Does not replace IPMT.
Notice:Use IPMT for problems. Newsletter location in note 6187
Moderator:TAEC::BEROUD
Created:Mon Aug 21 1989
Last Modified:Wed Jun 04 1997
Last Successful Update:Fri Jun 06 1997
Number of topics:6497
Total number of notes:27359

4809.0. "Questions on IP Poller algorithm" by OTOOA::DUFF (Peter Duff) Fri Apr 02 1993 10:03



	I was wondering if I could get more info on the IP Poller
	polling algorithm (I have read note 4798.*). I realize that
	this could change later in a later release.

	When it sends out the 50 ICMP echo requests at a time
	how does it determine the SNMP entities to include in that
	group of 50? 
	
	Is it in alphabetical order based on the SNMP name in a domain?

	What the order, in the above situation, when you have domains 
	within domains and you enable the IP Poller only in the topmost
	domain?

	What is the order that the alarms will fire when an entity is 
	unreachable? Does the Poller wait for a group of 50 ICMP echo 
	requests to complete and then process this list in alphabetical 
	order?

	Regards,
	Peter
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4809.1MOLAR::YAHEY::BOSEFri Apr 02 1993 11:5715
	The IP Poller does something equivalent to 

	SHOW DOMAIN domain_name MEMBER * 

	to get a list of IP entities to poll. The poller then polls each
	IP entity in turn, in batches of 50 starting from the first entity
	in the list.

	Thus the order of polling will be the same as the order you see
	in the SHOW DOMAIN ..... command.

	Rahul.