# 配置物理接口
interfaces <interface_number>
description <interface_desc>
no shutdown
speed <interface_speed>
duplex full
no negotiation auto
commit

# 配置虚拟通道
interfaces <interface_number>.<subinterface_number>
description <subinterface_desc>
encapsulation dot1q <subinterface_vlanid>
ipv4 address <subinterface_ipaddress> <subinterface_netmask>
commit

# 配置IP SLA（NQA）
ip sla <operation-number>
icmp-echo x.x.x.x<nexthop_address> source-ip x.x.x.x <source_address>
frequency <value> //设置探测频率
timeout <value> //设置超时时间
ip sla schedule <operation-number> life forever start-time now
en

# 配置TRACK 关联 IP SLA
track <operation-number> ip sla <operation-number> reachability
end

# 设置静态路由
router static
vrf <vrf-name> //如果没有指定 VRF，静态路由在 default VRF 下
  address-family <ipv4 | ipv6> unicast
  <ip-prefix/netmask> <next_hop_ip> <interface_number> <description_text> <distance> <tag tag_value> track <operation-number>
commit