With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
appnLsOutXidBytes
appn Link Station Out Xid Bytes
1.3.6.1.2.1.34.4.1.1.5.1.1.20
Number of XID bytes sent. All of the bytes in the SNA basic transmission unit (BTU), i.e., all of the bytes in the DLC XID Information Field, are counted.
Back to APPN-MIB MIB page.
IPHost Network monitor allows you to monitor appnLsOutXidBytes on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco optical switches right now.