3Com 5500-EI Series Ficha de dados - Página 6

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SPECIFICATIONS

All information in this section is

relevant to all members of the 3Com

Switch 5500 10/100 family, unless

otherwise stated.

CONNECTORS

52-port models

48 auto-negotiating 10BASE-T/

100BASE-TX ports configured as auto-

MDI/MDIX; IEEE 802.3af in-line

power for PWR models

4 Gigabit SFP ports

28-port non-FX models

24 auto-negotiating 10BASE-T/

100BASE-TX ports configured as auto-

MDI/MDIX; IEEE 802.3af in-line

power for PWR models

4 Gigabit SFP ports

28-port FX

24 SFP ports, to be populated with

100BASE-X SFP multi- or single-mode

transceivers

2 auto-negotiating 10BASE-T/

100BASE-TX/1000BASE-T ports

configured as auto-MDI/MDIX

2 Gigabit SFP ports

PERFORMANCE

52-port

17.6 Gbps switching capacity, max.

13.1 Mpps forwarding rate, max.

28-port

12.8 Gbps switching capacity, max.

9.5 Mpps forwarding rate, max.

All models

Wirespeed performance across all

ports within stack or fabric

Store-and-forward switching;

latency <10 µs

2 Gbps full-duplex stacking bandwidth

LAYER 2 SWITCHING

16K MAC addresses in address table

Static MAC addresses: 256 (EI models);

64 (SI models); in addition to default

address

Jumbo Frame support (EI models only)

Port-based IEEE 802.1Q VLANs:

4,094 (EI models); 256 (SI models)

IEEE 802.1 Q-in-Q double-tagged

VLANs (EI models only)

IEEE 802.1v protocol-based VLANs

(EI models only)

MAC-based VLANs using RADA auto-

VLAN assignment

Auto-voice VLAN

IEEE 802.3ad Link Aggregation

Control Protocol (LACP); automated

and manual aggregation

Link aggregation trunk groups,

per switch:

• 26 (52-port); 14 (28-port)

• 8 10/100 ports or 8 SFP ports per

group

• 8 Distributed Link Aggregation

(DLA) groups

Auto-negotiation and manual

configuration of port speed and duplex

IEEE 802.3x full-duplex flow control

Back pressure flow control for half-

duplex

Unidirectional Link Detection (UDLD)

Broadcast, Multicast and Unicast

traffic suppression

IEEE 802.1D Spanning Tree Protocol

(STP)

IEEE 802.1w Rapid Spanning Tree

Protocol (RSTP)

IEEE 802.1s Multiple Spanning Tree

Protocol (MSTP)

Bridge Protocol Data Unit (BPDU)

protection

Spanning Tree root guard

Internet Group Management Protocol

(IGMP) v1 and v2 snooping

IGMP querier

Filtering for 256 multicast groups

LAYER 3 SWITCHING

Hardware based routing

Static routes: 256 (EI models);

64 (SI models); in addition to

default address

Address Resolution Protocol (ARP)

entries: 4K dynamic, 1K static

(EI models); 2K dynamic, 256 static

(SI models)

IP interfaces: 32 (EI models);

4 (SI models)

Routing Information Protocol (RIP),

v1 and v2: 2K routes (EI models);

1K (SI models)

Open Shortest Path First (OSPF)

(EI models only):

• 2 areas with 4 virtual interfaces

per area

• 2 neighbors per virtual interface

• 2 virtual links

Protocol Independent Multicast-Dense

Mode (PIM-DM) (EI models only)

Protocol Independent Multicast-Sparse

Mode (PIM-SM) (EI models only)

IGMP v1 and v2

Equal Cost Multipath Protocol (ECMP)

Multicast VLAN Registration (MVR)

Dynamic Host Configuration Protocol

Relay (DHCP Relay): 4 K max.

(EI models); 2 K max. (SI models)

3Com XRN

Technology:

• Resilient stacking and fabric links

up to 70 km (43.5 mi)

• Distributed Link Aggregation, hot-

swappable switch units; high-speed

fully resilient trunks up to 8 Gbps

• Distributed Resilient Routing:

optimized Layer 3, one routing table

per switch (EI models only)

Virtual Router Redundancy Protocol

(VRRP): EI models Only

CONVERGENCE

8 hardware queues per port

IEEE 802.1p Class of Service/Quality

of Service (CoS/QoS) on ingress and

egress

Remarking of packets based on

priority:

• Type of Service (ToS)

• IEEE 802.1p CoS

• IP precedence

• Physical port

• Source/destination MAC address

• VLAN information

• Ethertype

• Source/destination IP address

• Source/destination TCP port

• Source/destination UDP port

Webcache redirection (EI models only)

Time-based Access Control Lists

(ACLs) (EI models only)

Auto-prioritization of voice traffic

determined by vendor OUI

Weighted Round Robin (WRR),

including WRR+SP

Weighted Fair Queuing (WFQ),

including WFQ + SP

Strict Priority Queuing (SPQ)

Weighted Random Early Discard

(WRED)

DiffServ Code Point Expedited

Forwarding (DSCP EF) remarking for

prioritization of VoIP traffic

Application rate limiting and blocking

on ingress

Port-based traffic shaping on egress

IEEE 802.3af Power over Ethernet

standards-compliant (PWR models)

POE (PWR MODELS ONLY)

IEEE 802.3af PoE injection into Cat5

or 5e LAN wiring (300 W total max.)

Supports all standard and most

common pre-standard phones, access

points and other PoE devices from

selected vendors (Cisco, Nortel,

Philips, Siemens, Avaya, NEC,

Polycom, Pingtel, Proxim, et. al.)

Available standards-based supplemental

power system enables full 15.4 W to

all PoE ports in a switch or stack

SECURITY

IEEE 802.1X Network login user

authentication:

• Local, RADIUS, or TACACS+ server

authentication

• PAP , CHAP , EAP over LAN (EAPoL),

EAP-TLS/TTLS and PEAP

• Automatic port assignment of

VLANs, ACLs and QoS profile based

on user

• Multiple users per port

• 1,024 users per fabric

• Guest VLAN option

• Multiple authentication server realm

definitions

RADIUS/TACACS+ session accounting

RADIUS Authenticated Device Access

(RADA): authenticate devices based

on MAC address against RADIUS

server or local database; assign VLAN

ID and ACL through RADIUS

Combined MAC and IEEE 802.1X

authentication on same port

DHCP Tracker (EI models only)

DHCP snooping, including DHCP Trust

Wirespeed packet filtering in hardware

ACLs filter at Layers 2, 3 and 4:

• Source/destination MAC address

• Ethernet type

• Source/destination IP address

• Source/destination TCP port

• Source/destination UDP port

User-defined ACL filters

(EI models only)

Port-based MAC address Disconnect

Unknown Device (DUD)

IEEE 802.1X or TACACS+ user

authentication of switch management

on Telnet and console sessions

3COM

SWITCH 5500 10/100 FAMILY

MD5 cipher-text and clear-text

authentication for OSPF v2 and RIP

v2 packets and SNMP v3 traffic

Hierarchical management and password

protection for management interface

and encrypted traffic, with SNMP v3

and SSH v2

4 local user access privilege levels

Trusted management station IP and/or

MAC address

STACKING

Up to 400 user ports, including up to

384 10/100 ports

Single IP address and management

interfaces for stack-wide control

Hot-swappable, resilient stacking

Distributed stacking over standard

media with links up to 70 km (43.5 mi)

XRN Stacking Technology of up to

eight units high

Distributed Resilient Routing with

router tables in all units; no master/

slave arrangement (EI models only)

Stack Switch 5500 EI models only

with other like units using XRN

Technology via SFP ports

Stack Switch 5500 SI models only with

other like units using SFP ports

MANAGEMENT

CLI via console or Telnet

Embedded web management interface

System configuration with SNMP v1,

2c and 3

Comprehensive statistics, including

ACL/QoS and IP interface

Syslog

Remote Monitoring (RMON) groups

statistics, history, alarm and events

DHCP server including options 60, 82

and 184 (EI models only)

Supports multiple software images and

bank swap, stored in non-volatile

memory

Configuration conversion tool for

migration from Switch 3300, 4200

and 4400 to Switch 5500

1-to-1 port mirroring

Ability to apply ACL to mirror port

and forward only certain traffic types

Many-to-1 port mirroring

(EI models only)

VLAN-to-1 port mirroring

(EI models only)

Remote port mirroring (EI models only)

Detailed alarm and debug information

Front panel indicators for port and

unit status information

Supports ping, remote ping and

traceroute

Configuration file for backup and

restore, stored in non-volatile

memory; multiple configuration files

available

Backup and restore of software images

Network Time Protocol (NTP)

DHCP Relay and UDP Helper

System file transfer mechanisms:

Xmodem, FTP, Trivial FTP (TFTP),

Secure FTP (SFTP)