Switching
Solutions
Link Street
™
88E6151/88E6181
5-Port/8-Port Gigabit Ethernet QoS Switches
88E6151/88E6181
The Marvell
¨
Link Street
ª
family of low power Gigabit Ethernet (GbE) switches provides industry leading functionality
and price-performance ratio for the cost-sensitive Small Office/Home Office (SOHO) and enterprise desktop switching
market. The Link Street 88E6151 (5-port) and 88E6181 (8-port) devices are GbE Quality of Service (QoS) switches
integrating a high-performance switching fabric with five (88E6151) or eight (88E6181) SERDES ports. Each switch
enables one port to be selected as a SERDES or as a fiber port that can directly drive a fiber module.
Other advanced features include 802.1p/IPv4/IPv6 traffic classification, port-based VLANs, four priority queues,
a high-speed address look-up engine, and 1 Mb of packet memory and MAC address storage. The Link Street
88E6151/88E6181 devices may be used in conjunction with Marvell Alaska
¨
Gigabit PHYs to build a three-chip
complete Gigabit switch solution. The Link Street 88E6151/88E6181 switches perform wire-speed Gigabit switching
and are ideal products for value-oriented enterprise-class desktop switches.
Link Streetª 5-Port GbE Switch
(88E6151)
Switch Fabric SRAM 1 Mb
QoS Queue Controller,
For Packet Memory and
4-Level QoS Per Port
Up to 4096 MAC Addresses
5-Port GbE QoS Switching Fabric
5
SERDES SERDES SERDES SERDES SERDES/
Fiber
Link Streetª 8-Port GbE Switch
(88E6181)
Switch Fabric SRAM 1 Mb
QoS Queue Controller,
For Packet Memory and
4-Level QoS Per Port
Up to 4096 MAC Addresses
8-Port GbE QoS Switching Fabric
8
SERDES SERDES SERDES SERDES SERDES SERDES SERDES SERDES/
Fiber
PRODUCT OVERVIEW
Fig 1. Link Streetª 5-Port GbE Switch (88E6151)
Internal Block Diagram
FEATURES
¥
Single-chip integration of a 5-port (88E6151) or 8-port (88E6181)
GbE QoS switch
¥
Five/eight integrated triple-speed 10/100/1000 SERDES ports
¥
One port is selectable as SERDES or fiber
¥
Port-based VLANs supported in any combination
¥
High-speed switch fabric
Ð High-performance look-up engine with support for up to
4,096 MAC address entries with automatic learning and aging
Ð Port-based VLANs supported in any combination
¥
QoS determined by destination MAC address, port ID, IEEE 802.1p
and multimedia traffic tags, IPv4 Type of Service (ToS), and
Differentiated Services (DiffServ)
¥
Link aggregation for any number of ports (port trunking)
¥
Port mirroring
5 x SERDES
Fig 2. Link Streetª 8-Port GbE Switch (88E6181)
Internal Block Diagram
BENEFITS
¥
Provides a complete SOHO switching solution with true non-blocking
switching performance and IEEE 802.1p QoS provisions
¥
Provide a glueless interface to Marvell Alaska Gigabit PHYs, including to
the 88E1145 quad-port Gigabit PHY and the 88E1111 single-port PHY.
Allows triple-speed Ethernet 10/100/1000 Mbps operation
¥
Enables the fiber port to drive a Gigabit fiber module directly
¥
Provides Layer 2 firewall port isolation
¥
Provides true non-blocking switching performance
Ð Supports a large number of Ethernet nodes
Ð Allow suppression or addition of group membership to provide
flexible management by IT managers
¥
Supports the most number of traffic priority schemes in its class
¥
Groups multiple links into one higher speed link
¥
Enables monitoring/analysis tools to monitor data from the network
mirrored from each selected port
8 x SERDES
Link Street
™
-88E6151/88E6181 GbE QoS Switch
FEATURES
BENEFITS
¥
Multiple address data bases (up to 16)
¥
Chip configuration through SMI ports (MDC/MDIO) or by
low-cost Serial EEPROM
¥
CMOS low power dissipation (typical 1.4W for 8-port)
APPLICATIONS
¥
Allows packet routing without modification of the MAC address
¥
Provides an easy, low-cost switching configuration
¥
Eliminates expensive heatsinks or fans and permits the use of
low cost and small enclosures
The Marvell Link Street family of products provides industry-leading functionality for Gigabit integrated switches. The 88E6181 device
builds a complete 8-port Gigabit non-blocking QoS switch with all PHYs and memory in a 3-chip solution, when used with two 88E1145
Alaska Gigabit Quad PHYs. The 88E6151 device builds a 5-port Gigabit non-blocking QoS switch in a low-cost 4-layer PCB when used
with five 88E1111 Alaska Gigabit Single-Channel PHYs; or alternatively, the 88E6151 product builds a smallest-board-space 3-chip
solution when used with one 88E1145 Alaska
¨
Gigabit Quad PHY plus one 88E1111 Single-Channel PHY. The 88E6151 switchÕs high
integration, low power, and glueless interface to Marvell Gigabit PHYs save BOM costs and support many applications with few
additional active components in a small footprint.
The 88E6181 and 88E6151 switches have optimizations for fast packet switching and are ideal products for low cost enterprise-class
desktop switches and SOHO networks.
Link Streetª 5-Port GbE Switch
(88E6151)
GbE Switch
5 x SERDES
SERDES
SERDES
Marvell
¨
88E1111
GbE
Cu PHY
1 GbE
SERDES
Marvell
88E1111
GbE
Cu PHY
1 GbE
SERDES
Marvell
88E1111
GbE
Cu PHY
1 GbE
SERDES
Marvell
88E1111
GbE
Cu PHY
1 GbE
SERDES
Marvell
88E1111
GbE
Cu PHY
1 GbE
4 x SERDES
4 x SERDES
Marvell
¨
Quad GbE PHY
(88E1145)
4 x 1 GbE Cu PHYs
1 GbE 1 GbE 1 GbE 1 GbE
Link Streetª 8-Port GbE Switch
(88E6181)
GbE Switch
8 x SERDES
4 x SERDES
4 x SERDES
Marvell
Quad GbE PHY
(88E1145)
4 x 1 GbE Cu PHYs
1 GbE 1 GbE 1 GbE 1 GbE
Fig 3. Link Streetª 5-Port GbE Switch (88E6151)
System Block Diagram (4-Layer PCB Design)
THE MARVELL ADVANTAGE:
Fig 4. Link Streetª 8-Port GbE Switch (88E6181)
System Block Diagram
MarvellÕs worldwide Þeld applications engineers collaborate closely with network equipment vendors to develop
and deliver new competitive products to market on time. All Marvell products, including the Link Street 88E6151/88E6181 Gigabit Ethernet
QoS Switches, are supported by a complete set of hardware and software tools to assist network hardware engineers with product evaluation.
For more information, visit our website at www.marvell.com.
Marvell Semiconductor, Inc.
700 First Avenue
Sunnyvale, CA 94089
Phone 408.222.2500
www.marvell.com
Copyright © 2003, Marvell. All rights reserved. Marvell, the Marvell logo, Moving Forward
Faster, Alaska, and GalNet are registered trademarks of Marvell. Discovery, Fastwriter, GalTis,
Horizon, Libertas, Link Street, NetGX, PHY Advantage, Prestera, Raise The Technology Bar,
UniMAC, Virtual Cable Tester, and Yukon are trademarks of Marvell. All other trademarks are
the property of their respective owners.
88E6151/81-001 07/03
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