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  1. IDF and MDF definitions - Cisco Learning Network

    IDF usually connects to MDF via fiber optic cables for greater length and faster speeds. at workplace, IDF is a smaller room with fewer devices (usually switches) or IDF can be a rack mounted (lifted) on …

  2. Bounce that port! - Cisco Learning Network

    Hello guys, I just wanted to bring up this topic. It is easy and difficult in the same time to predict whether it will help, A lot of us, especially in troubleshooting realm, uses this method to restore …

  3. Real World Application (Basic Design and Physical Connection) S1

    Hello everyone let us start the first series of discussion about Real World Application. Let us pretend I am the client with some knowledge on Cisco Networking. Client: I have a company with a size of 500 …

  4. Interface up/down: why? - Cisco Learning Network

    The aim of this lab I'm trying to do is to communicate with the configured interface fa0/0 through a PING. This is not working since the beginning and, after checking that a loopback works (although only in …

  5. Oversubscription Ratios - Cisco Learning Network

    Typical campus networks are engineered with oversubscription. It is not generally practical to provide line rate for every port upstream from the access-to-distribution switch, the distribution-to-core …

  6. What is native vlan mismatch? and how to solve it?

    I have seen the switch before i remove the configurations that it say it has a native vlan mismatch? what can i do about it?? the switch is using a fiber optics coming from the BDR ( building distribution …

  7. Checking the LAN diagram with wifi access in a building with 3 floors ...

    The bigger question is what requirements were you given? You can have L3 routing in the IDF, and you can bring it all back to the MDF/central location. As drawn, all of your links are single ones. That …

  8. what is a tag? - Cisco Learning Network

    As the frame arrives at the end of the trunk link, the tag is removed and it is then sent to the correct access link port according to the switch's table. Access ports are typically untagged, meaning only …

  9. WHAT IS A VPC AND HOW DOES IT FUNCTION? - Cisco Learning …

    The third device can be a Cisco Nexus 2000 Series Fabric Extender or a switch, server, or any other networking device. A vPC can provide Layer 2 multipathing, which allows you to create redundancy …

  10. What is a module, interface and port in S0/0/0 - Cisco Learning Network

    sorry, what exactly you asking for? s/0/0/0 is serial module for serial interface based on type of module inserted and model of a router.