Allied Telesis AT-2973T User Manual

AT-2973SX, AT-2973T, and AT-2973T/4 NetExtreme II Family Adapters Installation and User’s Guide

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 SMBus controller 

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 ACPI 1.1a compliant (multiple power modes) 

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 IPMI support 

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Advanced network features 

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 Jumbo frames (up to 9 KB). The OS and the link 
partner must support jumbo frames. 

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 Virtual LANs 

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 IEEE Std 802.3ad Teaming 

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 Smart Load Balancing Teaming 

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 Smart Load Balancing TOE Teaming (with the 
correct configuration) 

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 Flow Control (IEEE Std 802.3x) 

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 LiveLink™ (supported in both the 32-bit and 64-bit 
Windows operating systems) 

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 Logical Link Control (IEEE Std 802.2) 



Layer-2 Priority Encoding (IEEE Std 802.1p) 

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High-speed on-chip RISC processor 

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Up to 4 classes of service (CoS) 



Integrated 96 KB frame buffer memory 



iSCSI Boot support

The TCP/IP protocol suite is used to provide transport services for a wide 
range of applications for the Internet, LAN, and for file transfer. The TCP 
protocol is specifically designed to insure that data packets are delivered 
error free and in the correct sequence from an application running a one 
computer to the receiving application. The TCP protocol suite historically 
has run on the host CPU, but with higher data rates, this consumes a very 
high percentage of its resources while leaving little resources for the 
applications. With the use of the Broadcom NetXtreme II adapter and the 
TCP Offload Engine feature, the TCP/IP processing can be moved to 
hardware, freeing the CPU for application processing and other higher 
priority tasks

.

The TCP/IP protocol suite is used to provide transport services for a wide 
range of applications for the Internet, LAN, and for file transfer. Without the 
TCP Offload Engine, the TCP/IP protocol suite runs on the host CPU, 
consuming a very high percentage of its resources and leaving little 
resources for the applications. With the use of the Broadcom NetXtreme II