Homework Answers
IP Addresses of source and destination of a packet never changes during a packet's journey.
MAC Addresses are used to make packet reach next hop.
So. at A
Source IP address will be of A itself.
Destination IP address will be of B(final destination).
Source MAC will be MAC Address of host A.
Destination MAC will be MAC Address of router C1.(the next hop)
For extra understanding:
Now when C1 transfers the packet to C2, only MAC address of
source and destination changes but not the source IP and
destination IP addresses.
So when C1 forwards the packet:
Source MAC will b MAC of router C1
Destination MAC will be MAC of router C2(the next hop).
Hope this helps
If you have any doubt feel free to comment
Thank You!
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for this packet)
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