MSR3600 分两类接口三层路由口GE0/0、GE0/1仅支持qos lr outbound出方向限速不支持 inbound二层交换口GE1/0/1、GE1/0/2… 板载交换模块口qos lr inbound/outbound双向都支持单位kbps1Mbps1024kbpscir 数值必须是 8 的倍数 qos lr流量整形超了缓存排队不直接丢包适合 WAN 出口方案一接口整体限速qos lr推荐 WAN 出口最简单需求举例外网三层口 GE0/0出方向限速 20M20480 kbps步骤 1登录设备进入系统视图H3Csystem-view [H3C]sysname MSR3600步骤 2进入需要限速的接口[MSR3600]interface GigabitEthernet 0/0步骤 3配置出方向限速# 限速20Mcir20480 [MSR3600-GigabitEthernet0/0]qos lr outbound cir 20480 [MSR3600-GigabitEthernet0/0]quit如果是二层交换口 GE1/0/1入方向限速 10M[MSR3600]interface GigabitEthernet 1/0/1 [MSR3600-GigabitEthernet1/0/1]qos lr inbound cir 10240 [MSR3600-GigabitEthernet1/0/1]quit步骤 4验证限速配置display qos lr interface GigabitEthernet 0/0查看输出里的 CIR、方向确认配置生效。步骤 5保存配置[MSR3600]save删除限速取消配置interface GigabitEthernet 0/0 undo qos lr outbound方案二MQC CAR按 IP / 网段限速超出直接丢包内网用户限速适用对某个内网网段单独限速三层口入方向不能用 lr只能用 CAR 需求限制内网 192.168.1.0/24 网段总带宽 10M在内网接口 GE0/1 入方向生效步骤 1进入系统视图H3Csystem-view [H3C]sysname MSR3600步骤 2创建 ACL 匹配要限速的网段[MSR3600]acl number 3000 [MSR3600-acl-adv-3000]rule permit ip source 192.168.1.0 0.0.0.255 [MSR3600-acl-adv-3000]quit步骤 3创建流分类绑定 ACL[MSR3600]traffic classifier LAN-CLASS [MSR3600-classifier-LAN-CLASS]if-match acl 3000 [MSR3600-classifier-LAN-CLASS]quit步骤 4创建流行为配置 CAR 限速[MSR3600]traffic behavior LAN-CAR # cir10240kbps(10M)超出直接丢弃 red discard [MSR3600-behavior-LAN-CAR]car cir 10240 red discard [MSR3600-behavior-LAN-CAR]quit步骤 5创建流策略绑定分类 行为[MSR3600]qos policy LAN-POLICY [MSR3600-qospolicy-LAN-POLICY]classifier LAN-CLASS behavior LAN-CAR [MSR3600-qospolicy-LAN-POLICY]quit步骤 6在接口的入方向应用流策略[MSR3600]interface GigabitEthernet 0/1 [MSR3600-GigabitEthernet0/1]qos apply policy LAN-POLICY inbound [MSR3600-GigabitEthernet0/1]quit步骤 7验证 MQC 策略display qos policy interface GigabitEthernet 0/1 display traffic behavior步骤 8保存配置[MSR3600]save删除 MQC 策略interface GigabitEthernet 0/1 undo qos apply policy LAN-POLICY inbound quit undo qos policy LAN-POLICY undo traffic behavior LAN-CAR undo traffic classifier LAN-CLASS undo acl number 3000关键注意事项三层路由口不能配置 qos lr inbound三层口入方向限速只能 MQC CARqos lr令牌桶缓存适合出口整形CAR超出直接丢包适合内网用户限速CIR 数值必须是 8 的整数倍否则设备报错无法提交H3C带宽换算速查10M1024020M2048050M51200100M102400常用查看命令汇总display qos lr interface #查看接口lr限速 display qos policy interface #查看MQC策略统计 display traffic classifier #查看流分类 display traffic behavior #查看流行为 display acl all #查看ACL规则