How do I prevent red/purple alert storm from Xymon server ?

T.J. Yang a écrit :

New entry added.

http://en.wikibooks.org/wiki/System_Monitoring_with_Xymon/Other_Docs/HOWTO#How_do_I_prevent_red.2Fpurple_alert_storm_from_Xymon_server_.3F

Please contribute if you have better idea on "how to fix" section.

T.J. Yang


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Nice wiki !
In the "why" section, the alert storm can be "caused by death of a few switches and bad bb-hosts configuration that missing router dependency directive."
I didn't find docs about configurint router dependency. Where should I find this ?