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<h1 class="topictitle1">Gigabit and 10 Gigabit Ethernet </h1>
<div><p>The <span class="keyword">iSeries™</span> server
supports Gigabit and 10 Gbps Ethernet, which requires the use of a 1 Gbps
or 10 Gbps input/output adapter (IOA).</p>
<p><img src="./delta.gif" alt="Start of change" /> There are six IOAs that can be used to run Gigabit Ethernet,
the 2760, 5701, and 5706 Unshielded Twisted Pair (UTP) adapters, which use
copper wire cabling, and the 2743, 5700, and 5707 Gigabit Ethernet cards,
which use fiber optics. The fiber optic 573A and 576A IOAs support 10 Gbps
Ethernet. All of the adapter cards support Transmission Control Protocol/Internet
Protocol (TCP/IP), 9000-byte jumbo frames, and the IEEE 802.3 standard.<img src="./deltaend.gif" alt="End of change" /></p>
<p><img src="./delta.gif" alt="Start of change" />i5/OS does not have integrated support for SNA over Gigabit
or 10 Gbps Ethernet. Enterprise Extender or AnyNet is required to run SNA
over Gigabit or 10 Gbps Ethernet.<img src="./deltaend.gif" alt="End of change" /></p>
<p><img src="./delta.gif" alt="Start of change" />The UTP cards have the capability of running 10BASE-T/100BASE-TX/1000BASE-T
in full or half duplex mode. The recommended minimum cabling type for use
between these cards and their link partner is Category 5e, which has copper
twisted pair wiring. All four pairs are used when running Gigabit Ethernet.
The cable and connectors must also be wired to TIA/EIA 568-B standard. Crossover
cables are not supported.<img src="./deltaend.gif" alt="End of change" /></p>
<p><img src="./delta.gif" alt="Start of change" />The Gigabit fiber optic cards only support 1000BASE-SX in
full duplex mode. The 10 Gigabit fiber optic cards only support 10Gbase-LR
and 10Gbase-SR in full duplex mode. The 2743 and 576A use duplex SC connectors
while the 5700, 5707, and 573A use duplex LC connectors. The recommended fiber
to use with the 2743, 5700, 5707, and 573A IOAs is 50 or 62.5 micron MMF (multi
mode) fiber. 9 micron SMF (single mode) fiber is recommended for the 576A.<img src="./deltaend.gif" alt="End of change" /></p>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" class="singleborder" frame="border" border="1" rules="all"><caption>Table 1. Summary of IOA support by release</caption><thead align="left"><tr class="tablemainheaderbar"><th valign="top" id="d0e41">IOA</th>
<th valign="top" id="d0e43">Earliest release supported</th>
</tr>
</thead>
<tbody><tr><td valign="top" headers="d0e41 ">2743</td>
<td valign="top" headers="d0e43 ">V4R5</td>
</tr>
<tr><td valign="top" headers="d0e41 ">2760</td>
<td valign="top" headers="d0e43 ">V5R1</td>
</tr>
<tr><td valign="top" headers="d0e41 ">5700</td>
<td valign="top" headers="d0e43 ">V5R2</td>
</tr>
<tr><td valign="top" headers="d0e41 ">5701</td>
<td valign="top" headers="d0e43 ">V5R2</td>
</tr>
<tr><td valign="top" headers="d0e41 ">5706</td>
<td valign="top" headers="d0e43 ">V5R3</td>
</tr>
<tr><td valign="top" headers="d0e41 ">5707</td>
<td valign="top" headers="d0e43 ">V5R3</td>
</tr>
<tr><td valign="top" headers="d0e41 "><span><img src="./delta.gif" alt="Start of change" />573A<img src="./deltaend.gif" alt="End of change" /></span></td>
<td valign="top" headers="d0e43 ">V5R3<sup>*</sup></td>
</tr>
<tr><td valign="top" headers="d0e41 "><span><img src="./delta.gif" alt="Start of change" />576A<img src="./deltaend.gif" alt="End of change" /></span></td>
<td valign="top" headers="d0e43 ">V5R3<sup>*</sup></td>
</tr>
</tbody>
</table>
</div>
<div class="note"><span class="notetitle">Note:</span> The 573A and 567A are only supported at V5R3 for some types of the iSeries
model 520. These adapters are supported at V5R4 for all other
models.</div>
<p>Ethernet frames can contain anywhere from 64 to 9000 bytes of information.
All of these cards support the largest, 9000-byte jumbo frame size. The amount
of work for the adapter card to process each frame, regardless of size, is
nearly the same. Therefore, you want to pack the most information possible
into each frame. The final result will be to decrease processor utilization,
leaving it more available for other application usage.</p>
<div class="p"> <div class="note"><span class="notetitle">Note:</span> <img src="./delta.gif" alt="Start of change" />Your system is limited by the switches, hubs, and devices
that it connects to. Gigabit Ethernet, 10 Gigabit Ethernet, and jumbo frames
can only be used if all devices support them.<img src="./deltaend.gif" alt="End of change" /></div>
</div>
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<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="rzajyethernetcapabilities.htm" title="Ethernet capabilities, such as line speed and duplex mode, can enhance your server's performance.">Ethernet capabilities</a></div>
</div>
<div class="relconcepts"><strong>Related concepts</strong><br />
<div><a href="rzajylinespeeddef.htm" title="The speed of data transfer is limited by the connection type, cabling, and maximum speeds that your server and link partner support.">Line speed</a></div>
</div>
<div class="relref"><strong>Related reference</strong><br />
<div><a href="rzajyestablishingaphyscontonet.htm" title="Ensure you configure the correct line speed and duplex mode for your connection.">Establish a physical connection to your network</a></div>
<div><a href="rzajyethernetioas.htm" title="Find out what IOAs are supported and what capabilities each one has.">Hardware requirements for Ethernet</a></div>
</div>
<div class="relinfo"><strong>Related information</strong><br />
<div><a href="../rzahj/rzahjovr.htm">APPC, APPN, and HPR</a></div>
</div>
</div>
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