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Using PCI 1000Base-T and HSC/PCI 1000Base-SX
(Gigabit Ethernet)
Manufacturing Part Number : J5683-90002
E0602
U.S.A.
© Copyright 2002, Hewlett-Packard Company.
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Legal Notices The information in this document is subject to change without notice. Hewlett-Packard makes no warranty of any kind with regard to this manual, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose. Hewlett-Packard shall not be held liable for errors contained herein or direct, indirect, special, incidental or consequential damages in connection with the furnishing, performance, or use of this material. Warranty. A copy of the
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OSF/Motif is a trademark of the Open Software Foundation, Inc. in the U.S. and other countries. 3
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Preface The information in this manual is intended for network managers who administer Gigabit Ethernet networks. It is assumed that the Gigabit Ethernet hardware and software have been installed and configured. For instructions on how to install and configure Gigabit Ethernet hardware and software, refer to the Quick Installation Guide, available in the /opt/networkdocs directory on your system and on the web (see “Manuals Available for Gigabit Ethernet” in Chapter 3). This manual is organized as
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1 Introduction This chapter gives an overview of the Gigabit Ethernet products and lists its features. 5 Chapter 1
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Introduction Product Overview Product Overview Gigabit Ethernet is a high-performance Ethernet networking solution for HP servers and workstations. The LAN adapters are data link adapters that support the IEEE 802.3z standard for 1000Base-SX operation over multimode fiber, and the IEEE 802.3ab standard for 1000Base-T operation over 4-pair Cat-5 or Cat-5E UTP copper wiring. The Gigabit Ethernet intelligent adapters are designed to maximize host CPU efficiency by performing functions such as TCP/IP
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Introduction Product Overview • Jumbo Frame support — Large 9000 byte maximum transfer unit (MTU) for improved efficiency and performance with bulk data transfer — Supported only at 1000Mbps interface (link partner must also support Jumbo Frames) • SNMP (MIB-II) support • MC/ServiceGuard and Auto-Port Aggregation (APA) support for high availability Note: MC/ServiceGuard is not supported on HP-UX 11iv1.5. APA is not supported on HP-UX 11i v1.5 and 11i v1.6. • Configuration support through SAM • Pro
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Introduction About this Manual About this Manual The information in this manual applies to the following Gigabit Ethernet products: Table 1-1 List of Gigabit Ethernet Products Driver Operating Product Description Supported Systems Name System A4924A HSC 1000Base-SX for gelan K-Class server 10.20, 11.0, and 11i K-Class A4925A HSC 1000Base-SX for gelan D350 and above, R380 10.20, 11.0, and 11i D/R-Class and R390 servers A4926A PCI 1000Base-SX gelan B-Class except B180L 10.20, 11.0, and 11i and bel
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Introduction About this Manual This manual does not include step-by-step instructions on how to install and configure the Gigabit Ethernet hardware and software. Those instructions are provided in the Quick Installation Guide, which is available in the /opt/networkdocs directory on your system and on the web (see “Manuals Available for Gigabit Ethernet” on page 21). 9 Chapter 1
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Introduction About this Manual 10 Chapter 1
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2 Configuring Gigabit Ethernet Parameters This chapter describes how to configure the Gigabit Ethernet parameters using the lanadmin(1M) command line interface. 11 Chapter 2
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Configuring Gigabit Ethernet Parameters Understanding the Gigabit Ethernet Parameters Understanding the Gigabit Ethernet Parameters Several parameters can be configured using either thelanadmin(1M) command line interface or the graphical user interface provided by the System Administration Manager (SAM). Refer to the next section, “Using the lanadmin Tool with Gigabit Ethernet” for details on the use of thelanadmin(1M) command. The following parameters can be configured: Generic Parameters • Ethern
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Configuring Gigabit Ethernet Parameters Understanding the Gigabit Ethernet Parameters Speed Duplexity Autonegotiation 10 Half Off 10 Full Off 100 Half Off 100 Full Off 1000* N/A* On *When autonegotiation is on, 1000Base-T will autonegotiate with its link partner; then, if its partner also autonegotiates and can attain a speed of 1000 Mbps, 1000Base-T will operate at 1000 Mpbs full-duplex (it is not designed to operate at 1000 Mbps half-duplex). NOTE Partners on a link must be configured to have th
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Configuring Gigabit Ethernet Parameters Understanding the Gigabit Ethernet Parameters in all. One of the two parameters specifies the number of data buffers that the card must transmit (or receive) before interrupting and the other specifies the number of system clock ticks that must elapse before interrupting. The four tuning parameters are summarized in the following table. Table 2-1 Performance Tuning Parameters Name Range Default Units send_max_bufs 1 – 128 16 (for gelan) # of buffers 10 (for i
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Configuring Gigabit Ethernet Parameters Using the lanadmin Tool with Gigabit Ethernet Using the lanadmin Tool with Gigabit Ethernet This section explains the options available inlanadmin to support the Gigabit Ethernet driver and how to use them. Thelanadmin(1M) tool is used to display and set parameters, as specified by the following commands: NOTE When your system is rebooted, settings that were made via thelanadmin(1M) command will be lost. To retain configuration settings permanently in the con
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Configuring Gigabit Ethernet Parameters Using the lanadmin Tool with Gigabit Ethernet Displaying Values The command$ lanadmin -x (or -X) help nmid/ppa displays a list of valid options used to display values. Option Display help List of -x or -X options speed Speed and duplexity of the link fctrl Whether Receive Flow Control is enabled or not send_max_bufs Value of send buffer coalescing threshold recv_max_bufs Value of receive buffer coalescing threshold send_coal_ticks Value of send interrupt co
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Configuring Gigabit Ethernet Parameters Using the lanadmin Tool with Gigabit Ethernet Card Statistics To display the card statistics, execute: $ lanadmin -x stats drv nmid/ppa NOTE See Appendix B for a sample output and explanation of the card statistics. Send Buffer Coalescing To display the send buffer coalescing threshold, execute: $lanadmin -x send_max_bufs nmid/ppa Send buffer coalescing threshold = 16 Receive Interrupt Coalescing To display the receive interrupt coalescing ticks, execute: $
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Configuring Gigabit Ethernet Parameters Using the lanadmin Tool with Gigabit Ethernet Option Setting recv_coal_ticks* Sets receive interrupt coalescing ticks [0 – 10000000] stats clear Clears all driver and adapter statistics * These options require the desired value to be specified after the option name. Examples Speed To set the speed to 100 Mbps full-duplex on 1000Base-T, execute: $lanadmin -X 100fd nmid/ppa NOTE Thelanadmin -S option to set the speed is not supported on Gigabit Ethernet. Stats
