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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.
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.
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Cisco Unity Connection - Voice messaging system for CUCM. [21] Cisco Paging Server (InformaCast) - Paging/bell/mass notification system for CUCM. Originally developed by Singlewire Software, sold as a Cisco product. [22] Cisco Unified Communications Manager Express (CUCME) - a small scale/single server contact center solution
In computer security, an access-control list (ACL) is a list of permissions [a] associated with a system resource (object or facility). An ACL specifies which users or system processes are granted access to resources, as well as what operations are allowed on given resources. [1] Each entry in a typical ACL specifies a subject and an operation.
Extended TACACS (XTACACS) is a proprietary extension to TACACS introduced by Cisco Systems in 1990 without backwards compatibility to the original protocol. TACACS and XTACACS both allow a remote access server to communicate with an authentication server in order to determine if the user has access to the network.
NX-OS does not distinguish between standard or extended access lists, all lists are named and "extended" in functionality. [4] NX-OS did not support scp server prior to 5.1(1) release. In NX-OS, there is no "write" command to save the configuration like on IOS (one uses the "copy" command, instead).
IEEE 802.1Q, often referred to as Dot1q, is the networking standard that supports virtual local area networking (VLANs) on an IEEE 802.3 Ethernet network. The standard defines a system of VLAN tagging for Ethernet frames and the accompanying procedures to be used by bridges and switches in handling such frames.