DIGITAL: Graphs->Unknown Protocol Packets

Description:
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The Unknown Protocol Packets menu entry displays a graph that shows
the number of unknown protocol packets received by each interface on
the selected host.

MIB Variables:
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Unknown Protocol Packets - .1.3.6.1.2.1.2.2.1.15.*

Troubleshooting:
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"Warning: no information returned for query" - The selected object's
SNMP agent does not support these particular MIB variables.

"Cannot get SNMP table.  No response arrived before timeout" - This message
means that the request was not returned from the selected object's SNMP agent.
Possibly the SNMP agent is not running or this system is inaccessible
