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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 …

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

    There are two status elements to detect a link being usable or not: Status and Line Protocol. Status is whether or not the interface is enabled administratively or if there is a physical …

  4. 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 …

  5. 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 ( …

  6. 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, …

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

    Hello. I have a project work where we need to implement LAN with WiFi access for a new building (3 floor; ground floor has equipment room) with 400 hosts. I've tried drawing a diagram. But i'm …

  8. 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 …

  9. Practical application, troubleshooting a flapping port, why, how to fix

    Mar 19, 2025 · When a frame is received and fails the FCS (Frame Check Sequence), it is common to see the input errors and/or CRC counters increment, often this will cause the link …

  10. subnet_chart_full_table.pdf - Cisco Learning Network

    The decimal bit value row is also the same number as the "block size" for newly created subnets. Meaning the subnets will all be multiples of this number. Updated 5/28/2011 to include notes …