qos限速：
traffic behavior 1 redirect ip-nexthop 10.75.12.251 car cir 1200000 pir 1200000 cbs 8750000 pbs 8750000 green pass yellow pass red discard statistic enable
华为交换机带宽限速
原文：https://www.cnblogs.com/yunweiweb/p/11925225.html
