- III- 4.5.3 攻击防护 ..................................................................................................................49 4.5.4 接入过滤 ..................................................................................................................51 4.6 传输控制 ...............................................................................................................................53 4.6.1 带宽控制 ..................................................................................................................53 4.6.2 连接数限制 ...............................................................................................................57 4.7 流量均衡 ...............................................................................................................................59 4.7.1 综合设置 ..................................................................................................................59 4.7.2 策略选路 ..................................................................................................................60 4.7.3 ISP选路....................................................................................................................61 4.7.4 线路备份 ..................................................................................................................62 4.7.5 协议类型 ..................................................................................................................64 4.8 路由设置 ...............................................................................................................................65 4.8.1 静态路由 ..................................................................................................................65 4.8.2 RIP服务....................................................................................................................67 4.9 端口设置 ...............................................................................................................................68 4.9.1 端口统计 ..................................................................................................................68 4.9.2 端口监控 ..................................................................................................................70 4.9.3 端口流量限制 ...........................................................................................................71 4.9.4 端口参数 ..................................................................................................................72 4.9.5 端口状态 ..................................................................................................................73 4.9.6 Port VLAN................................................................................................................73 4.10 系统服务...............................................................................................................................74 4.10.1 UPnP服务 ................................................................................................................74 4.10.2 动态 DNS ..................................................................................................................75 4.10.3 Web服务器...............................................................................................................77 4.11 系统工具...............................................................................................................................79 4.11.1 设备管理 ..................................................................................................................80 4.11.2 诊断工具 ..................................................................................................................82 4.11.3 流量统计 ..................................................................................................................84 第 5 章 典型配置 ..............................................................................................................85 5.1 典型配置需求 .......................................................................................................................85 5.2 典型配置方案 .......................................................................................................................85 5.3 典型组网拓扑 .......................................................................................................................86 5.4 典型配置步骤 .......................................................................................................................86 5.4.1 系统模式设置 ...........................................................................................................86 5.4.2 WAN模式设置 ..........................................................................................................87 5.4.3 上网方式设置 ...........................................................................................................87 5.4.4 局域网主机 IP设置 ....................................................................................................88 5.4.5 局域网 ARP攻击防护设置 .........................................................................................88 5.4.6 广域网 ARP攻击防护设置 .........................................................................................90 5.4.7 网络攻击防护设置 ....................................................................................................90