This Homework Is Due By 11:59 PM on Sunday September 21, 2014

  1. Given that a frame is formatted as follows:

    Frame Header

    And given that an IP datagram is formatted as follows:

    IP Header

    And given the following frame with an encapsulated IP datagram:

    HW3 IP Frame
    1. Find the source hardware address.
    2. Find the destination hardware address.
    3. What type of frame is this?
    4. What Flag(s) are set?
    5. What is the fragment offset?
    6. What is the TTL count?
    7. What is the Header Checksum?
    8. If the header includes no options or padding, what are the first five bytes of the datagram data?
    9. Find the destination IP address.
    10. What class is the destination IP address?
    11. What is the network ID in the destination address?
    12. What is the host ID in the destination address?
    13. Write the destination IP address in dotted decimal notation.
    14. Find the source IP address.
    15. What class is the source IP address?
    16. What is the network ID in the source address?
    17. What is the host ID in the source address?
    18. Write the source IP address in dotted decimal notation.
    19. Can this message be delivered directly by the source to the destination, or will it require routers to handle the message. Explain.

  2. Suppose machine C receives an ARP request sent from A looking for target B, and suppose C has the binding for IPB to HWB in its ARP cache. Should C answer the request? Explain.

Please submit the completed assignment on Blackboard as a Microsoft Word file or a PDF file. No other forms of submission will be accepted.