When you have quite a few hosts…we’re trying to figure out what hosts are affected by a large burst of traffic, as maybe this means a set of servers are sending information to each other. Can check_mk have a search query that lists all network interfaces in a folder (for example) for a time range so we can find out what traffic looked like on all network interfaces during that time?
Thanks!!!
You can make a search for graphs over your folder. But remember that this pulls a huge amount of data and takes some time. 
Metrics → Search Time Graphs → select you folder and service description starts with “Interface”
Thanks so much! Yes, that takes some time - but added in that time range and boom, got the facts I needed. Thanks again, Andreas!
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