No response command

RB912UAG-2HPnD
firmware 3.14
ROS:6.11
3g device:cdma200



[tianyan@TianYan] > :put [:len [/interface pppoe-client find running=yes]]
0
[tianyan@TianYan] > :put [:len [/ip address find interface=ppp-out1]]
1
[tianyan@TianYan] > :put [:len [/interface ppp-client find running=yes]]

No response command