组播控制:IGMP Snooping组播报文自动监测/DHCP特性:支持DHCP Server,DHCP Client和DHCP relay /服务质量: Head Of Line防止拥塞机制/每端口4个发送队列映射802.1p的8 个优先级/WRED, WFQ, SP和FIFO队列调度算法/尽力而为服务(Best-Effort Service)/区分式服务(Differentiated Service)/严格优先级轮转算法(Strict Priorty)/加权优先级轮转算法(Weighted Round Robin)/先到先服务算法(First come first served)/TOS重新标记/流量整形(RTS)
