Two routers named Atlanta and Brevard are connected via their serial interfaces as illustrated, but they are unable to communicate. The Atlanta router is known to have the correct configuration.Given the partial configurations, identify the fault on the Brevard router that is causing the lack of connectivity?()
如下图,两个路由器(Atlanta和Brevard)用串口连接起来。但是他们之间没有数据传输,已知Atlanta配置正确,下图给出部分配置,路由器Brevard上导致该问题的原因是()。