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The inside of a Cisco 1900-series switch. Catalyst is the brand for a variety of network switches, wireless controllers, and wireless access points sold by Cisco Systems.While commonly associated with Ethernet switches, a number of different types of network interfaces have been available throughout the history of the brand.
Catalyst switches: 1900 Series, 2900 / 2950 / 2960 / 3500XL Series, 3550 / 3750 Series, 3000 Series, Catalyst 4500/4900, 5000/5500 Series, 6500 Series, 6800 Series, 9300/9400/9500 Series Teleworker/Remote Connectivity— Cisco LAN2LAN Personal Office for ISDN , VPN 3000 Concentrators
Cisco Inter-Switch Link (ISL) is a Cisco proprietary link layer protocol that maintains VLAN information in Ethernet frames as traffic flows between switches and routers, or switches and switches. [1] ISL is Cisco's VLAN encapsulation protocol and is supported only on some Cisco equipment over the Fast and Gigabit Ethernet links. It is offered ...
Most Cisco products that run IOS also have one or more "feature sets" or "packages", typically eight packages for Cisco routers and five packages for Cisco network switches. For example, Cisco IOS releases meant for use on Catalyst switches are available as "standard" versions (providing only basic IP routing), "enhanced" versions, which ...
A router on a stick, also known as a one-armed router, [1] [2] is a router that has a single physical or logical connection to a network. It is a method of inter-VLAN routing where one router is connected to a switch via a single cable. The router has physical connections to the broadcast domains where one or more VLANs require the need for ...
Single packets are sent and acknowledged without problems. As a result, a simple ping command fails to detect a duplex mismatch because single packets and their resulting acknowledgments at 1-second intervals do not cause any problem on the network. A terminal session which sends data slowly (in very short bursts) can also communicate successfully.
TRILL combines techniques from bridging and routing, and is the application of link-state routing to the VLAN-aware customer-bridging problem. [2] Routing bridges (RBridges) are compatible with, and can incrementally replace, previous IEEE 802.1 customer bridges. TRILL Switches are also compatible with IPv4 and IPv6, routers and end systems.
During Chambers' time at the company, Wang's profits declined dramatically from $2 billion 1989 to a $700 million loss in 1990. A year later, Chambers left Wang to join Cisco, which had gone public on February 16, 1990. [12] In 1995 Chambers became CEO of Cisco, a position he held until 2015. He had also been promoted to board chairman in 2006 ...