Munin.md
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@@ -13,4 +13,18 @@ if [ "$1" = "config" ];then
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else
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ip r|sed 's/.* dev //;s/ .*//'|sort|uniq -c|grep as|awk '{print $2".value "$1}'
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fi
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-```
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\ No newline at end of file
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+```
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+
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+## Graph routes and activity for every neighbour
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+
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+This munin-plugin makes it very easy to graph the announced routes and activity for each neighbour over time:
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+https://github.com/luben/bird-multigraph-plugin
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+
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+It's also possible to get notified by Munin when a problem with the peering persists. You have to define a critical value in line 138:
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+```
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+imported.critical 1:
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+```
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+This will send execute the command (set in munin-node.conf) to alert you, if the imported route count falls under 1.
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+
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+Example installation:
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+http://stats.tbspace.de/munin-cgi/munin-cgi-graph/tbspace.de/server.tbspace.de/dn42_crest_routes-day.png