Assume that an average SNMP response message is 100 bytes long. Assume that a manager sends 40 SNMP Get commands each second. a) What percentage of a 100 Mbps LAN link’s capacity would the resulting response traffic represent?
b) What percentage of a 56 kbps WAN link would the response messages represent?
c) What can you conclude from your answers to parts (a) and (b) of this question?
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Test
To answer these questions, we need to consider the amount of data being sent and the capacity of the network link. Let's break it down step by step:
a) To calculate the percentage of a 100 Mbps LAN link's capacity, we need to determine the total amount of data being sent in one second.
The manager sends 40 SNMP Get commands each second, and assuming each response message is 100 bytes long, the total amount of data being sent in one second would be:
40 commands/second * 100 bytes/command = 4000 bytes/second
Now, let's convert this to bits per second (bps):
4000 bytes/second * 8 bits/byte = 32,000 bits/second
To calculate the percentage of the LAN link's capacity, we divide the total data sent by the link's capacity and multiply by 100:
(32,000 bits/second / 100 Mbps) * 100 = 0.032%
Therefore, the resulting response traffic would represent approximately 0.032% of the LAN link's capacity.
b) To calculate the percentage of a 56 kbps WAN link's capacity, we follow a similar approach.
Using the same calculation, the total amount of data being sent in one second is:
40 commands/second * 100 bytes/command = 4000 bytes/second
Converting to bits per second:
4000 bytes/second * 8 bits/byte = 32,000 bits/second
Now we compare it to the WAN link's capacity:
(32,000 bits/second / 56 kbps) * 100 = 57.14%
Therefore, the response messages would represent approximately 57.14% of the WAN link's capacity.
c) From the answers to parts (a) and (b), we can conclude that the response traffic represents a very small percentage of the LAN link's capacity but a significant percentage of the WAN link's capacity. This suggests that the network's performance will be significantly impacted on a lower bandwidth WAN link compared to a high-speed LAN link when dealing with such SNMP response traffic.