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SNMP PDU encoding too big when requesting large amounts of string data. #416

@benmusson

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@benmusson

OP: https://forum.inductiveautomation.com/t/musson-industrials-embr-snmp-module-beta/111185/53?u=bmusson

Was playing with this on my home lab with v8.3 reading SNMP v2c to a Cisco Catalyst 3750X-48P and in testing I was reading a few ports data, but then decided to add all 48 ports and that's where I hit the following error and now no data from that switch will update with that many ports attempting to read:

GET failed with errorStatusText: PDU encoding too big
I'm pulling in a mix of strings (port name, description/alias), counters (64-bit), and integers.

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