产品特性（Features）：
Single-chip 4+1-port gigabit non-blocking switch architecture;
Embedded Quad-port 10/100/1000Base-T PHY
Each port supports full duplex 10/100/1000M connectivity (half duplex only supported in 10/100M mode)
Extra Interface (Extension GMAC1) supports
Media Independent Interface (MII)
Reduced Gigabit Media Independent Interface (RGMII)
Gigabit Media Independent Interface (GMII)
Full-duplex and half-duplex operation with IEEE 802.3x flow control and backpressure
Supports 9216-byte jumbo packet length forwarding at wire speed
Supports Realtek Cable Test (RTCT)
Supports 64-entry ACL Rules
Search keys support physical port, Layer2, Layer3, and Layer4 information
Actions include mirror, redirect, dropping, priority adjustment, traffic policing, CVLAN decision, and SVLAN assignment GPIO control, interrupt and logging counter
Five types of user defined ACL rule format for 64 ACL rules
Optional per-port enable/disable of ACL function
Optional setting of per-port action to take when ACL mismatch
Supports IEEE 802.1Q VLAN
Supports 4K VLANs and 32 Extra Enhanced VLANs
Supports Un-tag definition in each VLAN
VLAN policing and VLAN forwarding decision
Port-based, Tag-based, and Protocol-based VLAN
Up to 4 Protocol-based VLAN entries
Per-port and per-VLAN egress VLAN tagging and un-tagging
Supports IVL, SVL, and IVL/SVL
Supports 2K-entry MAC address table with 4-way hash algorithm
Up to 2K L2/L3 Filtering Database
Per-port MAC learning limitation
Supports Spanning Tree port behavior configuration
IEEE 802.1w Rapid Spanning Tree
IEEE 802.1s Multiple Spanning Tree with up to 16 Spanning Tree instances
Supports IEEE 802.1x Access Control Protocol
Port-Based Access Control
MAC-Based Access Control
Guest VLAN
Supports Auto Denial-of-Service Protection
Supports H/W IGMP/MLD Snooping
IGMPv1/v2/3 and MLD v1/v2
Supports Fast Leave
Static router port configuration
Dynamic router port learning and aging
Supports Quality of Service (QoS)
Supports per-port Input Bandwidth Control
Traffic classification based on IEEE 802.1p/Q priority definition, physical Port, IP DSCP field, ACL definition, VLAN based priority, MAC based priority and SVLAN based priority
Eight Priority Queues per port
Per queue flow control
Min-Max Scheduling
Strict Priority and Weighted Fair Queue (WFQ) to provide minimum bandwidth
One leaky bucket to constrain the average packet rate of each queue
Supports rate limiting (64 shared meters, with 8kpbs granulation)
RFC MIB Counter
MIB-II (RFC 1213)
Ethernet-Like MIB (RFC 3635)
Interface Group MIB (RFC 2863)
RMON (RFC 2819)
Bridge MIB (RFC 1493)
Bridge MIB Extension (RFC 2674)
Stacking VLAN and Port Isolation with 8 Enhanced Filtering Databases
IEEE 802.1ad Stacking VLAN
Supports 64 SVLANs
Supports 32 L2/IPv4 Multicast mappings to SVLAN
Supports MAC-based 1:N VLAN
Supports 2 IEEE 802.3ad Link aggregation port groups
Supports Port Mirror function for one source port to multiple destination ports
Supports OAM and EEE LLDP (Energy Efficient Ethernet Link Layer Discovery Protocol)
Supports Loop Detection
Security Filtering
Disable learning for each port
Disable learning-table aging for each port
Drop unknown DA for each port
Broadcast/Multicast/Unknown DA storm control protects system from attack by hackers
Realtek Green Ethernet
Link-On Cable Length Power Saving
Link-Down Power Saving
Supports 1 interrupt output to external CPU for notification
Each port supports 3 LED outputs
Management Interface Supports
EEPROM SMI Slave interface
Media Independent Interface Management (MIIM)
SPI Slave Interface
Supports 32K-byte EEPROM space for configuration
Integrated 8051 microprocessor.
25MHz crystal or 3.3V OSC input
LQFP 128-pin package
Applications
Quad-Port 1000Base-T Router with MII/RGMII/GMII Interfaces
联系 朱泉18038133932
深圳市雷智腾电子进出口有限公司
电话 0755-83203913（6线） 22921496
传真 0755-22923452
地址 深圳市福田区振华路118号华丽装饰2栋1单元320室。
