3Com SWITCH 4050 Информационный лист - Страница 3
Просмотреть онлайн или скачать pdf Информационный лист для Сетевое оборудование 3Com SWITCH 4050. 3Com SWITCH 4050 6 страниц. 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
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