3Com SWITCH 4050 Datasheet - Page 3

Browse online or download pdf Datasheet for Network Hardware 3Com SWITCH 4050. 3Com SWITCH 4050 6 pages. Product guide
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3 C O M

S W I T C H 4 0 x 0 FA M I LY D ATA S H E E T

Features

Performance

Layer 2 Switching

MAC Address

VLAN

Link Aggregation

Auto-negotiation

Traffic control

Spanning Tree

Layer 3 Switching

Routes

IP Routing

Multicast

Network protocol

Access Control Lists (ACLs)

Convergence

Priority Queues

Traffic Prioritization

Security

Switch Login

Switching capacity: 56 Gbps

Forwarding rate: 41.6 Mpps

Store-and-forward switching; latency 2.7 µs

12K MAC addresses

30 VLANs (IEEE 802.1Q)

IEEE 802.3ad (LACP) and manual

13 trunk groups (up to four ports in each)

Auto-negotiation of port speed, duplex, and connection (MDI/MDIX)

IEEE 802.3x full-duplex flow control

Back pressure flow control for half-duplex

Broadcast Storm Suppression (3,000 pps threshhold)

IEEE 802.1D Spanning Tree Protocol (STP)

IEEE 802.1w Rapid Spanning Tree Protocol (RSTP)

• Backward-compatible with STP

• Fast-start mode

• Spanning tree enable/disable per port or per VLAN

Hardware-based routing

2,000 IP routes

100 Static Routes

5,000 ARP entires

64 IP interfaces

IP Multinetting (multiple IP interfaces per VLAN)

CIDR (Classless Internet Domain Routing)

RIP (Routing Information Protocol), v1 and v2

OSPF (Open Shortest Path First)

• 4 areas with 64 adjacencies

• ASBR support for static and default routes

Filtering for 128 multicast groups

IGMP (Internet Group Management Protocol) snooping on Layer 2 interfaces

IGMP v1 and v2

IGMP Querier

DHCP Relay (Dynamic Host Configuration Protocol Relay)

UDP (User Datagram Protocol) Helper

ARP (Address Resolution Protocol)

VLAN-based ACLs

• Filtered on destination IP address / mask

Four hardware queues per port

Strict priority queuing

Weighted Round Robin queuing

Priority based on:

• IEEE 802.1p CoS

• DSCP (DiffServ Code Point)

• TCP/UDP destination port number

• Ethertype

• Default port priority

• Auto classification of 3Com NBX

• IP Address / Protocol

Local or RADIUS authentication and management of switch passwords

telephony traffic