![](https://static.youtibao.com/asksite/comm/h5/images/m_q_title.png)
在PTNLTE非负载分担的方案中,采用主用L3 配置路由跟踪多跳BFD防止环路的方案,以下哪些项配置需要执行()
A.主用L3上创建Loopback接口地址
B.创建主L3Loopback接口和备L3连接EPC端口间的BFD
C.备L3配置去往EPC的备用路由跟踪BFDN
D.主L3配置去往EPC的备用路由跟踪BFD
![](https://static.youtibao.com/asksite/comm/h5/images/m_q_a.png)
B、创建主L3Loopback接口和备L3连接EPC端口间的BFD
解析:主用L3上创建LOOPBACK接口地址创建主L3LOOPBACK接口和备L3连接EPC端口间的BFD主L3配置去往EPC的备用路由跟踪BFD
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)