With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cflIfConfigPreemptionDelay
Cisco Flex Link If Config Preemption Delay
1.3.6.1.4.1.9.9.471.1.1.3.1.3
The object specifies the delay time until an interface preempts another interface for a Flex Link interface pair.
Back to CISCO-FLEX-LINKS-MIB MIB page.
IPHost Network monitor allows you to monitor cflIfConfigPreemptionDelay on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco routers right now.