以下以ASR1000，运行IOS XE 16.6.1为例：
ip sla 1
icmp-echo 10.248.0.61 source-ip 10.248.0.33
threshold 2 ! 阀值为2次
timeout 5000 !超时时间,单位MS
frequency 5 !发送频率为5秒1个包
vrf ISP-CU ! 可选项，若源IP不属于vrf, 不需配置
ip sla schedule 1 life forever start-time now
track 1 ip sla 1 reachability
ip route 10.248.0.0 255.255.255.0 10.1.1.2 name TokyoOffice track 1
&& 参数说明
Cisco-ASR1000(config-ip-sla-echo)#?
IP SLAs Icmp Echo Configuration Commands:
data-pattern Data Pattern
default Set a command to its defaults
exit Exit operation configuration
frequency Frequency of an operation
history History and Distribution Data
no Negate a command or set its defaults
owner Owner of Entry
request-data-size Request data size
tag User defined tag
threshold Operation threshold in milliseconds
timeout Timeout of an operation
tos Type Of Service
verify-data Verify data
vrf Configure IP SLAs for a VPN Routing/Forwarding instance
Cisco-ASR1000# sh ip sla summary
IPSLAs Latest Operation Summary
Codes: * active, ^ inactive, ~ pending
ID Type Destination Stats Return Last
(ms) Code Run
-----------------------------------------------------------------------
*1 icmp-echo 10.196.0.1 RTT=1 OK 50 seconds ag
o
Cisco-ASR1000#sh track 1
Track 1
IP SLA 1 reachability
Reachability is Up
4 changes, last change 7w6d
Latest operation return code: OK
Latest RTT (millisecs) 1
Tracked by:
Static IP Routing 0
Cisco-ASR1000#sh track 1 brief
Track Type Instance Parameter State Last Change
1 ip sla 1 reachability Up 7w6d
Cisco-ASR1000#sh track brief
Track Type Instance Parameter State Last Change
1 ip sla 1 reachability Up 7w6d
Cisco-ASR1000#sh track summary
Track Summary
Object Type Num Objects Num Clients
All object types 1 1
interface 0 0
ip route 0 0
ip sla 1 1
ipv6 route 0 0
list 0 0
stub-object 0 0