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Packet Tracer is a cross-platform visual simulation tool designed by Cisco Systems that allows users to create network topologies and imitate modern computer networks.The software allows users to simulate the configuration of Cisco routers and switches using a simulated command line interface.
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; Cisco Unified Operations Manager (CUOM)— a NMS for voice.
NetFlow is a feature that was introduced on Cisco routers around 1996 that provides the ability to collect IP network traffic as it enters or exits an interface. By analyzing the data provided by NetFlow, a network administrator can determine things such as the source and destination traffic, class of service, and the causes of congestion.
This is known as inter-VLAN routing. On layer-3 switches it is accomplished by the creation of layer-3 interfaces (SVIs). Inter VLAN routing, in other words routing between VLANs, can be achieved using SVIs. [1] SVI or VLAN interface, is a virtual routed interface that connects a VLAN on the device to the Layer 3 router engine on the same device.
CDP—Cisco Discovery Protocol; CDP—Continuous data protection; CD-R—CD-Recordable; CD-ROM—CD Read-Only Memory; CD-RW—CD-Rewritable; CDSA—Common Data Security Architecture; CERT—Computer emergency response team; CES—Consumer Electronics Show; CF—Compact Flash; CFD—Computational fluid dynamics; CFG—Context-free grammar; CFG ...
An example of how to configure a simple, three switch MSTP topology wherein a layer-two access switch carries four VLANs and has two uplinks to two distribution switches, can be found here: MSTP Configuration Guide A good configuration view, from the above-mentioned example shall be: S3# show spanning-tree mst
In the same year, Cisco tested the 100GbE interface between CRS-3 and a new generation of their ASR9K edge router model. [74] In 2017, Cisco announced a 32 port 100GbE Cisco Catalyst 9500 Series switch [ 75 ] and in 2019 the modular Catalyst 9600 Series switch with a 100GbE line card [ 76 ]
The lower module has complex interaction among its functions. The N2 chart can be taken down into successively lower levels to the hardware and software component functional levels. In addition to defining the data that must be supplied across the interface, the N2 chart can pinpoint areas where conflicts could arise.