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<article itemscope itemtype="http://schema.org/Article"><div class="article__header"><header><h1 style="color:Tomato;">Booster la vitesse Ethernet LAN dun Raspberry Pi 3</h1></header></div><meta itemprop="headline" content="Booster la vitesse Ethernet LAN dun Raspberry Pi 3"><div class="article__info clearfix"><ul class="left-col menu"><li>
2024-11-08 14:10:33 +01:00
<a class="button button--secondary button--pill button--sm" style="color:#00FFFF" href="/archive.html?tag=yunohost">yunohost</a>
2024-10-31 20:18:37 +01:00
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<a class="button button--secondary button--pill button--sm" style="color:#00FFFF" href="/archive.html?tag=raspberry">raspberry</a>
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<i class="far fa-calendar-alt"></i>&nbsp;<span title="Création" style="color:#FF00FF">13&nbsp;sept.&nbsp;2019</span></li></ul></div><meta itemprop="datePublished" content="2019-09-13T00:00:00+02:00">
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</details><h2 id="booster-la-vitesse-ethernet-dun-raspberry-pi-3">Booster la vitesse Ethernet dun Raspberry Pi 3</h2>
<blockquote>
<p>Seule les modèles Pi 3B+ et 4 offrent une connexion ethernet 10/100/1000</p>
</blockquote>
<p>Le Raspberry Pi quelque soit le modèle utilisé (version B) depuis la v1 jusquau Raspberry Pi 3 propose une sortie Ethernet en 10/100 Mbps.</p>
<p>En gros vous obtiendrez des débits allants jusquà 11 Mo/sec entre votre Raspberry Pi et nimporte quel appareil autre appareil sur le réseau.</p>
<p>Le Raspberry Pi partage actuellement le même BUS entre les ports USB 2.0 et sa prise Ethernet.</p>
<p>Le débit est donc partagé entre vos prises USB et le port Ethernet et dune façon globale vous pouvez atteindre au maximum une vitesse théorique de 480 Mbps (le maximum de lUSB 2.0).</p>
<p>Justement cest dommage de se brider à 100 Mbps sur le port Ethernet du Raspberry Pi de base. Voyons voir si on peut atteindre plus avec un adaptateur USB vers Ethernet.</p>
<p>Pour le test jai volontairement choisit un adaptateur USB 3.0/Ethernet (rétrocompatible USB 2.0) qui à lavantage de proposer une connexion Ethernet en Gigabit (1000 Mbps).</p>
<p><img src="/images/anker.png" alt="Texte alternatif" width="100px" /> <br />
Anker Adaptateur USB 3.0 vers RJ45 Ethernet Gigabit 10/100/1000 Mbit/s</p>
<p>Le HUB va fonctionner en USB 2.0 mais la prise Ethernet ne sera pas bridée en 100 Mbps, voyons voir quest ce que cela donne au niveau perfs (test avec loutil <strong>iPerf</strong> ).<a href="/files/iperf.pdf">tester la vitesse de connexion entre deux machines</a></p>
<p>Il faut mettre en place un <strong>iPerf</strong> côté serveur Raspberry Pi et un autre sur lordinateur.</p>
<p>Résultats</p>
<ul>
<li>Via la prise Ethernet du Raspberry PI 3 (en natif) : 94.5 Mbps soit : 11.8 Mo/sec</li>
<li>Via la prise Ethernet de ladaptateur Ethernet en USB 3.0 : 323 Mbps soit : 40,4 Mo / sec</li>
</ul>
<p>on a un gain de 3,4 fois !</p>
<blockquote>
<p>Si vous utilisez les ports USB en même temps que lEthernet vous naurez pas autant de débit.</p>
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} else if (scrollTop < rootTop) {
top();
} else {
bottom();
}
}
function init() {
if(!hasInit) {
var interval, timeout;
calc(true); setState();
// run calc every 100 millisecond
interval = setInterval(function() {
calc();
}, 100);
timeout = setTimeout(function() {
clearInterval(interval);
}, 45000);
window.pageLoad.then(function() {
setTimeout(function() {
clearInterval(interval);
clearTimeout(timeout);
}, 3000);
});
$scrollTarget.on('scroll', function() {
disabled || setState();
});
$window.on('resize', function() {
disabled || (calc(true), setState());
});
hasInit = true;
}
}
setOptions(options);
if (!disabled) {
init();
}
$window.on('resize', window.throttle(function() {
init();
}, 200));
return {
setOptions: setOptions,
refresh: function() {
calc(true, { animation: false }); setState();
}
};
}
$.fn.affix = affix;
});
})();
(function() {
var SOURCES = window.TEXT_VARIABLES.sources;
window.Lazyload.js(SOURCES.jquery, function() {
function toc(options) {
var $root = this, $window = $(window), $scrollTarget, $scroller, $tocUl = $('<ul class="toc toc--ellipsis"></ul>'), $tocLi, $headings, $activeLast, $activeCur,
selectors = 'h1,h2,h3', container = 'body', scrollTarget = window, scroller = 'html, body', disabled = false,
headingsPos, scrolling = false, hasRendered = false, hasInit = false;
function setOptions(options) {
var _options = options || {};
_options.selectors && (selectors = _options.selectors);
_options.container && (container = _options.container);
_options.scrollTarget && (scrollTarget = _options.scrollTarget);
_options.scroller && (scroller = _options.scroller);
_options.disabled !== undefined && (disabled = _options.disabled);
$headings = $(container).find(selectors).filter('[id]');
$scrollTarget = $(scrollTarget);
$scroller = $(scroller);
}
function calc() {
headingsPos = [];
$headings.each(function() {
headingsPos.push(Math.floor($(this).position().top));
});
}
function setState(element, disabled) {
var scrollTop = $scrollTarget.scrollTop(), i;
if (disabled || !headingsPos || headingsPos.length < 1) { return; }
if (element) {
$activeCur = element;
} else {
for (i = 0; i < headingsPos.length; i++) {
if (scrollTop >= headingsPos[i]) {
$activeCur = $tocLi.eq(i);
} else {
$activeCur || ($activeCur = $tocLi.eq(i));
break;
}
}
}
$activeLast && $activeLast.removeClass('active');
($activeLast = $activeCur).addClass('active');
}
function render() {
if(!hasRendered) {
$root.append($tocUl);
$headings.each(function() {
var $this = $(this);
$tocUl.append($('<li></li>').addClass('toc-' + $this.prop('tagName').toLowerCase())
.append($('<a></a>').text($this.text()).attr('href', '#' + $this.prop('id'))));
});
$tocLi = $tocUl.children('li');
$tocUl.on('click', 'a', function(e) {
e.preventDefault();
var $this = $(this);
scrolling = true;
setState($this.parent());
$scroller.scrollToAnchor($this.attr('href'), 400, function() {
scrolling = false;
});
});
}
hasRendered = true;
}
function init() {
var interval, timeout;
if(!hasInit) {
render(); calc(); setState(null, scrolling);
// run calc every 100 millisecond
interval = setInterval(function() {
calc();
}, 100);
timeout = setTimeout(function() {
clearInterval(interval);
}, 45000);
window.pageLoad.then(function() {
setTimeout(function() {
clearInterval(interval);
clearTimeout(timeout);
}, 3000);
});
$scrollTarget.on('scroll', function() {
disabled || setState(null, scrolling);
});
$window.on('resize', window.throttle(function() {
if (!disabled) {
render(); calc(); setState(null, scrolling);
}
}, 100));
}
hasInit = true;
}
setOptions(options);
if (!disabled) {
init();
}
$window.on('resize', window.throttle(function() {
init();
}, 200));
return {
setOptions: setOptions
};
}
$.fn.toc = toc;
});
})();
/*(function () {
})();*/
</script><script>
/* toc must before affix, since affix need to konw toc' height. */(function() {
var SOURCES = window.TEXT_VARIABLES.sources;
var TOC_SELECTOR = window.TEXT_VARIABLES.site.toc.selectors;
window.Lazyload.js(SOURCES.jquery, function() {
var $window = $(window);
var $articleContent = $('.js-article-content');
var $tocRoot = $('.js-toc-root'), $col2 = $('.js-col-aside');
var toc;
var tocDisabled = false;
var hasSidebar = $('.js-page-root').hasClass('layout--page--sidebar');
var hasToc = $articleContent.find(TOC_SELECTOR).length > 0;
function disabled() {
return $col2.css('display') === 'none' || !hasToc;
}
tocDisabled = disabled();
toc = $tocRoot.toc({
selectors: TOC_SELECTOR,
container: $articleContent,
scrollTarget: hasSidebar ? '.js-page-main' : null,
scroller: hasSidebar ? '.js-page-main' : null,
disabled: tocDisabled
});
$window.on('resize', window.throttle(function() {
tocDisabled = disabled();
toc && toc.setOptions({
disabled: tocDisabled
});
}, 100));
});
})();
(function() {
var SOURCES = window.TEXT_VARIABLES.sources;
window.Lazyload.js(SOURCES.jquery, function() {
var $window = $(window), $pageFooter = $('.js-page-footer');
var $pageAside = $('.js-page-aside');
var affix;
var tocDisabled = false;
var hasSidebar = $('.js-page-root').hasClass('layout--page--sidebar');
affix = $pageAside.affix({
offsetBottom: $pageFooter.outerHeight(),
scrollTarget: hasSidebar ? '.js-page-main' : null,
scroller: hasSidebar ? '.js-page-main' : null,
scroll: hasSidebar ? $('.js-page-main').children() : null,
disabled: tocDisabled
});
$window.on('resize', window.throttle(function() {
affix && affix.setOptions({
disabled: tocDisabled
});
}, 100));
window.pageAsideAffix = affix;
});
})();
</script><!---->
</div>
<script>(function () {
var $root = document.getElementsByClassName('root')[0];
if (window.hasEvent('touchstart')) {
$root.dataset.isTouch = true;
document.addEventListener('touchstart', function(){}, false);
}
})();
</script>
</body>
</html>