详细叙述了网络操作命令，主要有ping,netstart,arp等命令-Network operations command described in detail, there are ping, netstart, arp and other commands

Cisco Show interface 命令详解，适用于思科路由器的配置与调试，包括接口封装命令，环路设置命令，ARP协议。-Cisco Show interface command explain, apply to the Cisco router configuration and commissioning, including the interface encapsulation command, loop set command, ARP protocol.