LevelOne GSW-2491TXM Port Trunk, Spanning Tree, QOS Policy, Class of Service, Port Based Priority

	Trap, RFC 2674 VLAN MIB, private MIB
	Support IEEE802.3ad with LACP function and provide
Port Trunk	7-trunk and group member up to 4 ports. The trunk port
	within 24-port 10/100TX and extension module...
Spanning Tree	IEEE802.1d spanning Tree
	Port based VLAN
	IEEE802.1Q Tag VLAN
VLAN	IEEE802.1v Protocol VLAN (IP, IPX, …etc.)
	Static VLAN groups up to 256, Dynamic VLAN group up to
	2048, VLAN ID from 0 to 4094.
QOS Policy	Supports 8 priority levels ID for two priority queue
	Per system supports high and low queues. The priority
Class of Service	service rule: first come first service, all High before Low,
	WRR for High or low weight.
	Support 3 settings: “Disable, Low and High priority”. When
Port Based Priority	set to “Disable”, the income packet will follow QoS policy;
	Otherwise, the packet will follow port priority setting to
	“High/Low” queue.
IGMP	It supports IGMP snooping for Multi-Media application and
	supports 256 groups
Port Security	MAC address filter for ingress and egress packet
	Static MAC address lock for source address.
	Global system supports 3 mirroring types: “RX, TX and
Port Mirror	Both packet”. The maximum of port mirror entries is up to
	25.
Bandwidth Control	Per port support Bandwidth control. Per level 100K.

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