The process is not too difficult to achieve once you understand how it works. Link aggregation is a way of bundling a bunch of individual (Ethernet) links together so they act like a single logical link. In all of these cases, it’s necessary to interconnect the two switches that will share one end of the bundle. Best NAS drives 2020: Which network storage appliance is right for you. la limitation en bande passante entre deux équipements ; détection des équipements connectés utilisant le même protocole de configuration automatique ; découverte des liens physiques redondants et configurés de manière identique (vitesse, duplex...), entre les deux équipements ; groupement logique de ces liens en un lien logique ; détection automatique des liens morts et mise à jour des groupements de liens. VSS solves the problem of making two switches look like one simply by making the supervisor module in one of the switches control both physical devices. On a general switched Layer 2 network with a lot of devices talking across the aggregated link in arbitrary patterns among themselves, the simplest MAC address hashing algorithm works well. You also have the option to opt-out of these cookies. If your heart starts beating faster with the announce of a new camera, graphics card or game, then you are at the right place. Get licenses for advanced features from our Software Store. Un équipement configuré pour utiliser LACP peut fonctionner en deux modes[13] : PAgP est un protocole propriétaire Cisco, de ce fait disponible sur les commutateurs Cisco ainsi que sur les équipements disposant de la licence adéquate. Cisco propose la technologie EtherChannel, la norme 802.3ad est en fait une version standardisée d'EtherChannel. PAgP is a proprietary protocol with no significant advantages over the standard LACP protocol. Link aggregation is useful for connecting switches with multiple Ethernet ports and other devices with multiple ports. Link aggregation is de Engelse verzamelnaam voor het combineren / parallel schakelen van meerdere netwerkverbindingen met als doel een hogere doorvoersnelheid te behalen dan een enkelvoudige verbinding en/of voor fouttolerantie te zorgen indien een verbinding faalt. Link Aggregation: What is it and How Does it Work? The goal is to select an algorithm that randomizes your packets as much as possible. Otherwise you risk out-of-order packets, which causes serious problems for a lot of applications. In this scenario, 802.3ad lets the router automatically split the traffic up across the two ports, so each computer effectively gets its own dedicated gigabit connection, rather than battling over a single link. Remarque : votre commutateur doit prendre en charge le protocole 802.3ad. Top speeds typically dropped from around 110MB/sec to around 80MB/sec. If the traffic imbalance is in the inbound direct, representing received packets, then you need to adjust the device on the other end. Hitting a question mark where I have put the word prompts the switch to give you a list of available options. With a typical Cat5e network cable, we can transfer data at speeds of up to 2.5Gbps, or what is the same, we can achieve transfer speeds around 280-300MB / s approximately. which details how my personal information will be processed. If you have a switch with a whole lot of Gigabit Ethernet ports, you can connect all of them to another device that also has a bunch of ports and balance the traffic among these links to improve performance. La dernière modification de cette page a été faite le 11 juillet 2018 à 19:48. On peut agréger des liaisons temporaires sur le réseau téléphonique commuté. What's more, in our tests we found that 802.3ad incurred an additional network overhead, which actually slowed down file transfers. Connectez-vous au NAS en tant qu'administrateur. Another important reason for using link aggregation is to provide fast and transparent recovery in case one of the individual links fails. Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. As you have seen, we currently have high-end home routers with both options, to speed up our local network to the maximum. Future iMac with Apple Silicon, Launch in 2021? This article may contain affiliate links. The idea might again sound more suited to a big corporate office than a domestic setting - after all, not many of us keep a backup network running just in case. Cette section est vide, insuffisamment détaillée ou incomplète. This is achieved with Ethernet-capable equipment that also incorporates the IP protocols that address specific application-driven routing and interoperability requirements to deliver traffic seamlessly back into the IP/MPLS core network. émettre sur l'ensemble des ports, des paquets contenant les informations requises ; recevoir sur ces ports des paquets de même type provenant des équipements raccordés ; détecter les liens redondants entre le point d'origine et l'autre équipement (le second équipement utilisant le protocole fera de même) ; créer un agrégat cohérent avec l'autre équipement en prenant en compte les liens détectés à l'étape précédente. If a device supports Ethernet aggregation, you can use the Ethernet aggregate ports 1 and 2 to cable the device that supports Ethernet port aggregation to the router. See what sets us apart. With a failover configuration, you could invest in a cheap 3G router, stick in a pay-as-you-go SIM, and set it up as your secondary connection. Toutefois, l'agrégation est un concept général qui peut être mis en œuvre dans chacune des trois couches inférieures du modèle OSI. If you think about it for a moment, it's easy to understand why. This is a firmware feature, and there is usually no additional cost for adding this feature. Les principales fonctionnalités sont les suivantes : Parmi les différents protocoles existant, le principe de fonctionnement est similaire. Perform some final checks now and then you’re good to go. Looks like you have JavaScript disabled. Cisco has developed two different solutions for achieving this. You can learn about our cookies policy and how we use them by checking our Privacy Policy. The 802.1AX specification is being updated. So you've unboxed your shiny new NAS drive, and you've noticed that round the back there's not one but two gigabit Ethernet ports. The first important thing to know is that all links in a LAG must be a type of Ethernet (10/100/1000/10G, etc) and they must all be identical. In situations like this, it’s useful to use IP addresses in the load balancing algorithm. L'agrégation de ports, aussi connue sous le nom de LACP (Protocole de contrôle d'agrégation de liens), vous permet de combiner plusieurs interfaces réseau pour accroître la bande passante réseau et équilibrer les charges pour plusieurs clients.

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