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The EX switches support a range of features including high availability and network access control (NAC). The NAC support, which Juniper calls Unified Access Control (UAC), enables the switches to enforce access policies rather than rely on firewalls, VPN gateways, or switches made by other vendors.
A LAG is a method of inverse multiplexing over multiple Ethernet links, thereby increasing bandwidth and providing redundancy. It is defined by the IEEE 802.1AX-2008 standard, which states, "Link Aggregation allows one or more links to be aggregated together to form a Link Aggregation Group, such that a MAC client can treat the Link Aggregation Group as if it were a single link."
Many switches are PHY independent, meaning that a switch could have a mixture of copper, SX, LX, LX10 or other GBIC/SFP modular transceivers. While maintaining the same PHY is the usual approach, it is possible to aggregate a 1000BASE-SX fiber for one link and a 1000BASE-LX (longer, diverse path) for the second link.
Avaya 5600 Family of stackable switches. A stackable switch is a network switch that is fully functional operating standalone but which can also be set up to operate together with one or more other network switches, with this group of switches showing the characteristics of a single switch but having the port capacity of the sum of the combined switches.
Juniper's first enterprise switch product was the EX 4200, which was released in 2008. In a comparative technical test, Network World said the EX4200 was the top performer out of network switches they tested in latency and throughput, but its multicast features were "newer and less robust" than other aspects of the product. [ 124 ]
To make it possible to connect a LAG to different physical switches is to combine more than one physical switch into one logical switch using switch stacking techniques where the different physical boxes are seen as one logical switch for management and (spanning-tree) topology. The switches running in a stacked configuration always have to run ...
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The Juniper MX Series is a family of ethernet routers and switches designed and manufactured by Juniper Networks. In 2006, Juniper released the first of the MX-series, the MX960, MX240, and MX480. The second generation routers, called MX "3D", were first released in 2009 and featured a new Trio chipset and IPv6 support. In 2013, the MX routers ...
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