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Network Performance Monitor (NPM)

Feature Requests FEATURE REQUEST - Case # - 00401024

Open for Voting

over 4 years ago

FEATURE REQUEST - Case # - 00401024

Feature Request for interface Discards with following information:

Node name, IP address , interface, location.
Count of packet discarded with exact time interval details.
Type (TCP/UDP) of discarded packets.
Source of discarded packets.

dhiraj92

Top Comments

brscott over 4 years ago +1

Not sure there is a way to do either of the last two... At least on ifInDiscards, since they didn't make it far enough up the stack to be in a newflow or packet capture. On ifOutDiscards it's only theoretically…

dhiraj92 over 4 years ago in reply to brscott

Thanks for your reply.
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brscott over 4 years ago

Not sure there is a way to do either of the last two... At least on ifInDiscards, since they didn't make it far enough up the stack to be in a newflow or packet capture.
On ifOutDiscards it's only theoretically possible, but I don't think anything exposes that information.
It might be a close approximation to use TCP retransmissions to correlate the source of the dropped packets, but it's not a direct packet-for-packet mapping to the dropped packets, just a numbers correlation.
Who knows... these soalrwinds programers are quite amazing. Maybe they could map two netflows on either side of the interface in question and detect the exact dropped packets.
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