IST
TO 6.3.2: Switch Forwarding Facts.pdf

TO 6.3.2: Switch Forwarding Facts.pdf - TestOut LabSim 6.3....

Info icon This preview shows page 1. Sign up to view the full content.

10/19/2017 TestOut LabSim 1/1 6.3.2 Switch Forwarding Facts Bridges and switches build forwarding databases. A forwarding database is a list of Layer 2 MAC addresses, with the port used to reach each device. Bridges and switches automatically learn about devices to build the forwarding database, but a network administrator can also program the device database manually. When a frame arrives on a switch port (also called an interface ), the switch examines the source and destination address in the frame header and uses the information to complete the following tasks: Step Results 1. The switch examines the source MAC address of the frame and notes which switch port the frame arrived on. If the source MAC address is: Not in the switch's Content Addressable Memory (CAM) table, a new entry is added to the table that maps the source device's MAC address to the port on which the frame was received. Over time, the switch builds a map of the devices that are connected to specific switch ports.
Image of page 1
This is the end of the preview. Sign up to access the rest of the document.
  • Spring '16
  • Frame, IP address, MAC address

{[ snackBarMessage ]}

What students are saying

  • Left Quote Icon

    As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

    Student Picture

    Kiran Temple University Fox School of Business ‘17, Course Hero Intern

  • Left Quote Icon

    I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

    Student Picture

    Dana University of Pennsylvania ‘17, Course Hero Intern

  • Left Quote Icon

    The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

    Student Picture

    Jill Tulane University ‘16, Course Hero Intern