With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
snaPu20StatsReceivedNegativeResps
sna Pu20 Stats Received Negative Resps
1.3.6.1.2.1.34.1.1.5.1.6
The number of negative responses received by this Node.
Back to SNA-NAU-MIB MIB page.
IPHost Network monitor allows you to monitor snaPu20StatsReceivedNegativeResps on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco multiplexers right now.