IP SLA and track at Cat3750

Hi. everyone.
Our client wanted that apply IP SLA Track at Cat3750
So follows this is sample config.
=========================================================
ip sla 1 ! The IP SLA operation is defined here
icmp-echo 192.0.2.2
  frequency 10 ! The 192.0.2.2 is pinged each 10 seconds
  threshold 500 ! Pings over 500msec are considered delayed
  timeout 1000 ! Pings over 1000msec are considered timeouted
ip sla schedule 1 life forever start-time now
ip route 0.0.0.0 0.0.0.0 10.1.254.1 track 10
=========================================================
But I have wonder a few question.
1. How many support that IP SLA operation count.?(Support must be at least 30 count)
2. How many support that track count in static route?(Support must be at least 30 count)
3. IOS version that supports IP SLA What is this?
I`m try that find cisco web site and all web site.
but I can not found this.
Best Regeads.

Hi ,
 You can configure IP SLA on your device using below link 
http://www.cisco.com/c/en/us/td/docs/ios/12_4/ip_sla/configuration/guide/hsla_c/hsicmp.html
you need to download MIB on to your MRTG server for montioring 
CISCO-IPSLA-ECHO-MIB
CISCO-IPSLA-ETHERNET-MIB
Look into below url for loading MIB 
http://oss.oetiker.ch/mrtg/doc/mrtg-reference.en.html
HTH
Sandy

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