With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cslbxFtXsumErrPackets
Cisco Server Load Balancing Ft Xsum Error Packets
1.3.6.1.4.1.9.9.254.1.10.1.1.22
The total number of Fault Tolerance messages with a checksum error ever received by this SLB device.
Back to CISCO-SLB-EXT-MIB MIB page.
IPHost Network monitor allows you to monitor cslbxFtXsumErrPackets 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.