通过ACL控制rate-limit:interface Hssi0/0/0 description 45Mbps to R2 rate-limit output access-group 101 20000000 24000 32000 conform-action set-prec- transmit 5 exceed-action set-prec-transmit 0 rate-limit output access-group 102 10000000 24000 32000 conform-actio