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Cisco ESW52048P K9 10/100 PoE Switch

Name: Cisco ESW52048P K9 10/100 PoE Switch
Brand: Cisco

Teknik Özellikler

Performance

Switching capacity

17.6 Gbps

Forwarding capacity

Forwarding rate based on 64-byte packets:

13 mpps

Flash

24- and 48-port models: 32 MB

DRAM

128 MB

Layer 2 Switching

Spanning Tree

IEEE 802.1D Spanning Tree

IEEE 802.1w Rapid Spanning Tree

IEEE 802.1s Multiple Spanning Tree

Fast linkover

VLANs

VLAN support for:

802.1Q tag-based VLANs

Protocol-based VLAN

Management VLAN

Multicast TV VLAN

Private VLAN Edge (PVE)

Generic VLAN Registration Protocol (GVRP)

Head-of-line (HOL) blocking

HOL blocking prevention

Smartports (Preset Cisco Recommended Network Configuration, QoS, and Security)

Desktop

Optimized for desktop connectivity

Configurable VLAN setting

Port security enabled to prevent unauthorized access to the network

IP phone plus desktop

Optimized QoS for IP phone and desktop configurations

Voice traffic placed on "Cisco-Voice" VLAN

Configurable data VLAN

QoS level assures that voice-over-IP (VoIP) traffic takes precedence

Port security enabled to prevent unauthorized access to the network

Router

Configured for optimal connection to a router or firewall for WAN connectivity

Switch

Configured as an uplink port to another switch or router Layer 2 port for fast convergence

Enables 802.1Q trunking

Access point

Configured for optimal connection to a wireless access point

Configurable VLAN

Guest

Guests are allowed access to the Internet but not to the company network

All guest ports are placed on the "Cisco-Guest" VLAN

Port security is enabled to limit unauthorized access to the network

Diagnostics

Customers can connect diagnostic devices to monitor traffic on other switches (configurable using Cisco Network Assistant only)

Server

Can be classified as trusted, critical, business, or standard server:

Trusted: For use with the Cisco Unified Communications 500 Series; same QoS setting as voice (VoIP traffic is prioritized)

Critical: For critical servers with QoS set higher than default

Business: Default setting; QoS set higher than desktop Internet traffic

Standard: For servers set to the same level as regular desktop Internet traffic. Configurable VLAN port security is enabled to limit unauthorized access to the network

Video surveillance

Configured for optimal connection to a video surveillance camera such as the Cisco PVC2300 Business Internet Video Camera

Printer

QoS settings are the same as for Desktop, Access Point, and Standard Server

Configurable VLAN

Port security is enabled to limit unauthorized access to the network

Other

Allows for flexible connectivity of nonspecified devices

Configurable VLAN

No security

No QoS policy

Security

SSL

Encrypts all HTTP traffic, allowing secure access to the browser-based management GUI in the switch

IEEE 802.1X

RADIUS authentication, MD5 hash; guest VLAN; single/multiple host mode

ACLs

Filtering or rate limiting of traffic flows based on Layer 2, Layer 3, or Layer 4 access control parameters (ACPs).

Quality of Service (QoS)

Priority levels

4 hardware queues

Scheduling

Priority queuing and weighted round-robin (WRR)

Class of service

Port based

802.1p VLAN priority based

IPv4 IP precedence/type of service (ToS)/differentiated services code point (DSCP) based

Differentiated Services (DiffServ)

Classification and re-marking ACLs

Rate limiting

Ingress policer; egress rate control; per VLAN

Availability

Link aggregation

Using IEEE 802.3ad Link Aggregation Control Protocol (LACP), up to 8 ports in up to 8 groups

Storm control

Broadcast, multicast, and unknown unicast

Denial-of-service (DoS) prevention

DoS attack prevention

IGMP (versions 1 and 2) snooping

IGMP limits bandwidth-intensive multicast traffic to only the requesters; supports 256 multicast groups

Power redundancy

Connection to redundant power supply unit for power redundancy

Management

ESW500 Switch Configuration Utility

Built-in browser-based utility for easy device configuration (HTTP/HTTPS). Supports configuration, system dashboard, and system maintenance and monitoring.

Cisco Configuration Assistant

Allows device configuration and system management for streamlined integration with Cisco Smart Business Communications System and other Cisco Small Business Series products

Simple Network Management Protocol (SNMP)

SNMP versions 1, 2c, and 3 with support for traps

Device discovery

Cisco Discovery Protocol

Auto configuration

Switch configuration file download through Dynamic Host Configuration Protocol (DHCP)

Remote Monitoring (RMON)

Embedded RMON software agent supports 4 RMON groups (history, statistics, alarms, and events) for enhanced traffic management, monitoring, and analysis

Firmware upgrade

Web browser upgrade (HTTP/HTTPS) and Trivial File Transfer Protocol (TFTP)

Cisco Configuration Assistant upgrade

Dual images for resilient firmware upgrades

Port mirroring

Traffic on a port can be mirrored to another port for analysis with a network analyzer or RMON probe

Power over Ethernet Specifications

IEEE 802.3af PoE delivered over any of the RJ-45 ports within the listed power budgets

Maximum power of 15.4W to any 10/100 port; 370W total

Ports

ESW-520-48 and ESW-520-48P: 48 RJ-45 connectors for 10BASE-T/100BASE-TX; two 10BASE-T/100BASE-TX/1000BASE-T ports; 2 SFP slots

All units: Console port; automatic medium dependent interface (MDI) and MDI crossover (MDI-X); auto negotiate/manual setting; port for connecting to redundant power supply unit

Buttons

Reset button

Cabling type

Unshielded twisted pair (UTP) Category 5 or better for 10BASE-T/100BASE-TX; 1000BASE-T recommended

LEDs

Power, Fan, Link/Activity, PoE, Speed, Redundant Power Supply (not available on ESW-520-8P and ESW-540-8P)

Standards

802.3 10BASE-T Ethernet

802.3u 100BASE-TX Fast Ethernet

802.3ab 1000BASE-T Gigabit Ethernet

802.3z Gigabit Ethernet

802.3x flow control

802.3ad LACP

802.3af PoE

802.1D Spanning Tree Protocol (STP)

802.1Q/p VLAN

802.1w Rapid STP

802.1s Multiple STP

802.1X port access authentication

Environmental

Dimensions

W x D x H

24- and 48-port models: 17.32 x 14.70 x 1.73 in. (440 x 375 x 44 mm)

Unit weight

6.01 lb (2.73 kg)

Power

24- and 48-port models: 100-240V 47-63 Hz, internal, universal; also equipped with external redundant power supply connector for external power supply, -48V DC

Certifications

24- and 48-port models: UL (UL 60950), CSA (CSA 22.2), CE mark, FCC Part 15 (CFR 47) Class A

Operating temperature

32° to 104°F (0° to 40°C)

Storage temperature

-4° to 158°F (-20° to 70°C)

Operating humidity

10% to 90%, relative, noncondensing

Storage humidity

10% to 95%, relative, noncondensing

Predicted mean time between failures (MTBF)

88,810 hours