Disable Jenkins autodiscovery system
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	hashar
	Oct 19 2017, 6:54 PM

Description

Jenkins listens for broadcast/multicast packets to advertise itself on the network. That let agents find the master?

It causes noise and confusion on the network. So lets disable it if at all possible.

	Subject	Repo	Branch	Lines +/-
	jenkins: disable auto-discovery	operations/puppet	production	+3 -0

		Status	Subtype	Assigned	Task
		Declined		ayounsi	T167842 Find a new PIM RP IP
		Resolved		hashar	T178608 Disable Jenkins autodiscovery system

Restricted Application added a project: SRE. · View Herald TranscriptOct 19 2017, 6:54 PM

Change 385230 had a related patch set uploaded (by Hashar; owner: Hashar):
[operations/puppet@production] jenkins: disable auto-discovery

Change 385230 merged by Dzahn:
[operations/puppet@production] jenkins: disable auto-discovery

Mentioned in SAL (#wikimedia-operations) [2017-10-20T19:19:18Z] <hasharAway> restarting Jenkins - T178608

netstat -gn seems to indicate there is no more any multicast.