With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
pagpInFlushes
pagp In Flushes
1.3.6.1.4.1.9.9.98.1.2.2.1.5
Number of PAgP flush packets received and echoed on this interface not matching any pagpDeviceId belonging to the managed device. This counts PAgP flush packets originated by another device, and indicates that the other device 1) implements the PAgP flush feature, and 2) uses that feature to prevent mis-ordering data frames within an ordered stream.
Back to CISCO-PAGP-MIB MIB page.
IPHost Network monitor allows you to monitor pagpInFlushes 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.
