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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.
The entire stack can be managed from the base switch by several methods: Console into the base switch and use command line or a menu; telnet/SSH into the IP address of the base switch IP address and use command line; SNMP into the IP Address of the base switch to use the GUI configuration tools to management all switches on the stack at once.
Provide Layer 3 IP connectivity to the switch. Support bridging configurations and routing protocol. Access Layer - 'Routed Access' Configuration (in lieu of Spanning Tree) SVIs advantages include: Much faster than router-on-a-stick, because everything is hardware-switched and routed. No need for external links from the switch to the router for ...
A VLAN access control list (VACL) provides access control for all packets that are bridged within a VLAN or that are routed into or out of a VLAN. Unlike regular Cisco IOS access control lists that are configured on router interfaces and applied on routed packets only, VACLs apply to all packets.
Dedicated console server appliances are available from a number of manufacturers in many configurations, with the number of serial ports ranging from one to 96. These Console Servers are primarily used for secure remote access to Unix Servers, Linux Servers, switches, routers, firewalls, and any other device on the network with a console port.
NX-OS is a network operating system for the Nexus-series Ethernet switches and MDS-series Fibre Channel storage area network switches made by Cisco Systems. It evolved from the Cisco operating system SAN-OS, originally developed for its MDS switches. [1] It is based on Wind River Linux and is inter-operable with other Cisco operating systems.
An older version of out-of-band management is a layout involving the availability of a separate network that allows network administrators to get command-line interface access over the console ports of network equipment, even when those devices are not forwarding any payload traffic.
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 ...