I have following configuration but when fail track the route don't is deleted
Configuration
ip sla 1
icmp-echo 1.1.1.1 source-ip 200.100.111.111
threshold 3
frequency 5
ip sla schedule 1 life forever start-time now
track 1 ip sla 1 reachability
delay down 10 up 30
ip route 0.0.0.0 0.0.0.0 Dialer1 name xDSL_GVT track 1
2921#sh ip sla configuration 1
IP SLAs Infrastructure Engine-III
Entry number: 1
Owner:
Tag:
Operation timeout (milliseconds): 5000
Type of operation to perform: icmp-echo
Target address/Source address: 1.1.11.1/200.100.111.111
Type Of Service parameter: 0x0
Request size (ARR data portion): 28
Verify data: No
Vrf Name:
Schedule:
Operation frequency (seconds): 5 (not considered if randomly scheduled)
Next Scheduled Start Time: Start Time already passed
Group Scheduled : FALSE
Randomly Scheduled : FALSE
Life (seconds): Forever
Entry Ageout (seconds): never
Recurring (Starting Everyday): FALSE
Status of entry (SNMP RowStatus): Active
Threshold (milliseconds): 3
Distribution Statistics:
Number of statistic hours kept: 2
Number of statistic distribution buckets kept: 1
Statistic distribution interval (milliseconds): 20
Enhanced History:
History Statistics:
Number of history Lives kept: 0
Number of history Buckets kept: 15
History Filter Type: None
2921#sh ip sla stat 1
IPSLAs Latest Operation Statistics
IPSLA operation id: 1
Latest RTT: 4 milliseconds
Latest operation start time: 14:57:03.498 BRT Thu Dec 8 2011
Latest operation return code: Over threshold
Number of successes: 272
Number of failures: 0
Operation time to live: Forever
2921#sh track 1
Track 1
IP SLA 1 reachability
Reachability is Up
17245 changes, last change 02:25:55
Delay up 30 secs, down 10 secs
Latest operation return code: Over threshold
Latest RTT (millisecs) 4
