目录第1章串行链路故障排除...........................................................................................................iii1.2串行链路故障排除综述.........................................................................................................iii1.2.2串行链路配置的常见问题...........................................................................................v1.2.3其他相关问题...........................................................................................................vii1.2.4串行链路故障排除的一般步骤....................................................................................ix1.3与串行链路故障相关的show、debug命令介绍...................................................................xi1.3.1debugppp.................................................................................................................xi1.3.2showpppmultilink...................................................................................................xii1.3.3debughdlc................................................................................................................xii1.3.4debugslip................................................................................................................xiii1.4串行链路典型案例分析.......................................................................................................xiii1.4.1链路自环导致链路层协议DOWN............................................................................xiii1.4.2和Cisco路由器互通验证不通过..............................................................................xiv1.4.3两端封装的链路层协议不同导致链路层协议不能UP................................................xv1.4.42.3.4与Cisco互通时的地址分配问题.....................................................................xv第2章帧中继协议故障排除....................................................................................................xviii2.2帧中继协议故障排除综述..................................................................................................xviii2.2.1帧中继配置的常见问题...........................................................................................xviii2.2.2其他相关问题...........................................................................................................xx2.2.3帧中继故障排除的一般步骤.....................................................................................xxii2.3与帧中继故障相关的show、debug命令介绍...................................................................xxii2.3.1showframe-relaylmi..............................................................................................xxii2.3.2showframe-relaymap...........................................................................................xxiii2.3.3showframe-relaypacket.......................................................................................xxiv2.3.4showframe-relaypvc............................................................................................xxiv2.3.5showframe-relayroute...........................................................................................xxv2.3.6showframe-relaytraffic..........................................................................................xxv2.3.7debugframe-relayarp...................................................
