bcm5345m Broadcom Corp., bcm5345m Datasheet
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bcm5345m
Manufacturer Part Number
bcm5345m
Description
Bcm5345m - 24-port Gigabit Ethernet Managed Switch
Manufacturer
Broadcom Corp.
Datasheet
1.BCM5345M.pdf
(2 pages)
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Supports 24 Gigabit Ethernet ports in wirespeed operation
Gigabit Ethernet ports support RGMII interfaces to Standard
GE Transceivers
On-chip L2 search table supports 8K MAC addresses
Jumbo Frame support (9 Kbyte)
Supports 4K VLAN address and 802.1s Multiple Spanning
Tree protocol
Supports 802.1w Rapid Spanning Tree
Supports 802.1p and/or DiffServ with four priority queues
Supports 802.3ad link aggregation
Supports selected MIB groups in RMON
Supports up to 256 IP multicast groups
Full-duplex and half-duplex operation with IEEE 802.3x flow
control and backpressure.
On-chip 512 Kbyte packet buffer memory with sophisticated
buffer management.
Offers per-port rate control
Supports 802.1x access control protocol
Built in 32-bit, 33-MHz PCI bus interface
Extremely low power consumption (4W)
Packaged in 676-pin BGA
24 PORT GIGABIT ETHERNET SWITCHING PROCESSOR
F E A T U R E S
24 Gigabit Ethernet Ports for SOHO and Subnetwork Applications
Cable/DSL/Wireless
Router
®
Printer
IP Phones
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BCM5345M
Enables a new generation of lower-cost switches with Gigabit
Ethernet connectivity and much smaller form factors.
Complete switch on a chip integrates multilayer forwarding
and filtering logic and internal ARL tables and packet
buffering.
Filters and forwards traffic at full wirespeed on all 24 ports at
all layers of functionality. This equates to 48 Gbps of
bandwidth.
Provides the most cost-effective Gigabit Ethernet connectivity
to the desktop for all remote and branch office as well as
enterprise workgroup needs.
Supports 8K internal MAC addresses so even large, segmented
networks can be supported.
Supports Quality of Service (QoS) for prioritization of
different traffic types.
Full support of VLANs allows separation of user groups and
minimizes superfluous traffic.
Jumbo frame support allows the device to be connected to
corporate server farms and networks while maintaining
maximum TCP/IP performance.
Supports the latest standards used in corporate networks for
discovery, management, access control, and traffic control.
On-chip MIB registers allows the collection and transmission
of statistics for each port and allows an upward migration path
for corporate users.
S U M M A R Y O F B E N E F I T S
PCs
PCs
Gigabit Ethernet Uplink
Copper or Fiber
Gigabit Ethernet Server
Related parts for bcm5345m
bcm5345m Summary of contents
Page 1
... Extremely low power consumption (4W) • Packaged in 676-pin BGA 24 Gigabit Ethernet Ports for SOHO and Subnetwork Applications Cable/DSL/Wireless Router BCM5345M Enables a new generation of lower-cost switches with Gigabit • Ethernet connectivity and much smaller form factors. • ...
Page 2
... In addition, individual ports can be rate controlled in 16 steps down to 64 kbps. The BCM5345M device offers an integrated PCI bus to support fully managed applications. All the required counters and frame trapping mechanisms as well as the DMA support are incorporated into the device. ® ...