BCM56452B1KFSBG

BCM56452B1KFSBG is a Broadcom Ethernet switch System-on-a-Chip (SoC) used in enterprise-grade switches and routers. It integrates the switch fabric, multiple MACs, and a packet-processing engine to deliver L2/L3 forwarding, with features such as VLANs, QoS, ACLs, and IPv4/IPv6 routing. The B1KFSBG suffix indicates a specific package/revision (a RoHS BGA variant). It is intended to be used with external PHYs, memory, and controller firmware in edge/aggregation switch platforms. For exact specifications—port counts and speeds, memory and power requirements, and thermal characteristics—consult the official Broadcom data sheet and package guide (access may require NDA).

I don’t have the exact datasheet in front of me, but BCM56452B1KFSBG (Broadcom StrataXGS switch) typically supports:
- L2/L3 switching with a non-blocking fabric
- VLANs: 802.1Q, VLAN translation/QinQ
- QoS: multiple queues, shaping, policy-based rules
- Access control: ACLs for MAC/IP/L4 ports
- Multicast: IGMP/MLD snooping and multicast forwarding
- IPv4 and (often) IPv6 support
- Jumbo frames support
- Management: CLI, SNMP, SSH/Telnet, HTTPS/WEB GUI
- Port mirroring and diagnostics, RMON
- Hardware acceleration for forwarding and filtering
- Power-efficient design and thermal management
Exact port counts, uplink interfaces (RJ45/SFP), and whether routing features are enabled depend on the specific package and revision. For precise features, please share the datasheet link or confirm the exact port/up-link configuration.

- Pin count: 256 pins (BGA package)
- Function: Broadcom StrataXGS Ethernet switch-on-a-chip (SoC) with integrated switch fabric and multiple Ethernet MAC/PHY interfaces for switching/routing.

Broadcom Inc. is the manufacturer.
Broadcom is a multinational, fabless semiconductor company that designs and sells a wide range of chips and infrastructure software for networking, data centers, storage, wireless, and broadband; it outsources fabrication to external foundries.

BCM56452B1KFSBG is a Broadcom Ethernet switch SoC used in various networking gear. Typical application areas include:
- Enterprise and campus LAN switches (L2/L3, access/aggregation)
- Data-center edge/aggregation switches
- Routers and network appliances (firewalls, VPN, DPI)
- Industrial Ethernet and automation equipment
- Telecom/service-provider edge equipment and customer-premises equipment (CPE)

FBGA (Fine-pitched Ball Grid Array) package.