TABLE 4-13Transmit and Receive Parameters (Continued)

Parameter

Description

 

 

rx_split_pkts

Number of packets that were split across two pages.

rx_no_comp_wb

Number of times the hardware cannot post completion entries for

 

received data.

rx_no_buf

Number of times the hardware cannot receive data because there is

 

no more receive buffer space.

rx_new_pages

Number of pages that got replaced during reception.

rx_new_hdr_pgs

Number of pages that were filled with packets less than 256 bytes

 

that got replaced during reception.

rx_new_mtu_pgs

Number of pages that were filled with packets greater than 256

 

bytes and less than 1514 that got replaced during reception.

rx_new_nxt_pgs

Number of pages that contained packets that were split across

 

pages that got replaced during reception.

rx_hdr_drops

Number of times an entire page of packets less than 256 bytes each

 

was dropped because the driver was unable to map a new page to

 

replace it.

rx_mtu_drops

Number of times an entire page of packets greater than 256 bytes

 

and less than 1514 each was dropped because the driver was unable

 

to map a new page to replace it.

rx_nxt_drops

Number of times a page with a split packet was dropped because

 

the driver was unable to map a new one to replace it.

rx_rel_flow

Number of times the driver was told to release a flow.

 

 

Chapter 4 Configuring Driver Parameters 57

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Sun Microsystems GigaSwift Ethernet Adapter manual Number of packets that were split across two pages

GigaSwift Ethernet Adapter specifications

The Sun Microsystems GigaSwift Ethernet Adapter is a high-performance network interface card that was designed to provide advanced connectivity solutions for enterprise environments. Launched in the early 2000s, this adapter caters to the increasing demands for speed and efficiency in networking, especially amidst the rise of data-intensive applications.

One of the standout features of the GigaSwift Ethernet Adapter is its capability to support gigabit Ethernet technology, delivering data transfer rates of up to 1 Gbps. This allows organizations to boost their network throughput significantly, ensuring that bandwidth-intensive applications, such as video conferencing, online collaboration, and large file transfers, can be handled without significant lag or disruption.

The adapter utilizes a PCI-X interface, which enhances its performance compared to traditional PCI interfaces. This allows for higher bandwidth operations, making the GigaSwift suitable for servers and workstations that require robust connectivity. It is backward compatible with earlier Ethernet standards, which means it can seamlessly communicate with existing network infrastructures, preserving investments in legacy technologies.

Another critical characteristic of the GigaSwift Ethernet Adapter is its support for various networking protocols. It is designed to operate in diverse networking environments, supporting both full-duplex and half-duplex modes, which maximizes its efficiency in data transmission. This flexibility makes it an ideal choice for heterogeneous networks where different devices and standards coexist.

Furthermore, the adapter features advanced error detection and correction technologies, ensuring reliable transmission of data over the network. With features such as flow control and jumbo frame support, it enhances the efficiency and performance of large-scale data transfers.

The GigaSwift also comes equipped with diagnostic and management utilities, allowing network administrators to monitor the network performance effectively. This is crucial for identifying bottlenecks and optimizing network configurations to ensure peak operational efficiency.

Overall, the Sun Microsystems GigaSwift Ethernet Adapter is an essential tool for businesses looking to upgrade their networking infrastructure. Its combination of speed, versatility, and reliability allows enterprises to adopt next-generation networking solutions while maintaining compatibility with existing systems, ultimately contributing to a more robust and efficient IT environment.