3Com 8810, 8807, 8814 manual Software features of the Switch 8800 Family, Description, Flow control

26CHAPTER 1: PRODUCT OVERVIEW

Table 24 Software features of the Switch 8800 Family

Item	Description
Flow control	IEEE 802.3x flow control (full duplex)
	Back pressure flow control (half duplex)
Broadcast/multicast suppression	Supported
Multicast	Internet group management protocol (IGMP) snooping
	IGMP
	Internet group management protocol (IGMP) v2
	Protocol-independent multicast-dense mode (PIM-DM)
	Protocol-independent multicast-sparse mode (PIM-SM)
	Multicast source discovery protocol (MSDP)
	Multiprotocol border gateway protocol (MBGP)
	Any-RP
IP routing	Static routing
	Routing information protocol (RIP) v1/v2
	Open shortest path first (OSPF) v2
	Border gateway protocol (BGP)
	Intermediate system-to-intermediate system (IS-IS)
	Equal cost route forwarding
	Routing policy
	Policy routing
	OSPF/IS-IS/BGP graceful restart (GR)
Link aggregation	Aggregation across cards
	LACP
DHCP	DHCP server
	DHCP relay
	DHCP Option 82
Mirroring	Port-based mirroring
Multiprotocol Label Switching (MPLS)	L3 MPLS VPN, inter-domain MPLS VPN, hierarchy of PE
	(HoPE), CE dual homing, MCE, multi-role host
	VLL: Martini, Kompella, and CCC mode
	VPLS
QoS	Traffic classification based on port, MAC address,
	VLAN, IP address, IP priority, TCP/UDP port number,
	DSCP priority, Type of service (ToS) priority, class of
	service (CoS) priority, etc.
	Traffic monitoring, with granularity of 8 Kbps
	Traffic shaping
	Priority mark/remark
	Queue scheduling: strict priority (SP), weighted round
	Robin (WRR) and SP + WRR <par
	8 priority queues for each port
	Congestion avoidance algorithms: tail drop (TD) and
	weighted random early detection (WRED)