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out.txt
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out.txt
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Press 1: For Inbuilt testCase
Press 2: For Custom testCase
1
In Custom Input There are 3 clients Connected to Network Switch
***** Client 1 request mac Address for the given 23.53.33.02 Ip address ******
Present:
ARP CACHE OF client1:
-------------------------------------------------
| Ip address | Mac Address |
-------------------------------------------------
-------------------------------------------------
MAC Address for the sender Ip Address ( 23.53.33.02 ) is not availble in the cache of Client 1. So there's need to send Arp request
ARP_REQUEST Packet:
-------------------------------------------------------------------------------------------------------------------------------------------------
| Source Ip address | Source Mac Address | Dest IP Address | Dest Mac Address | Operation Code |
-------------------------------------------------------------------------------------------------------------------------------------------------
| 23.23.23.01 | ef:ds:fd:ef:ds:fd | 23.53.33.02 | ff:ff:ff:ff:ff:ff | ARP_REQUEST |
-------------------------------------------------------------------------------------------------------------------------------------------------
-------------------------------------------------------------------------------------------------
| Hardware Type | Hardware Length | Protocol Type | Protocol Length |
-------------------------------------------------------------------------------------------------
| 1 | 6 | 0x0800 | 4 |
-------------------------------------------------------------------------------------------------
***** Client 1 request mac Address for the given 23.53.33.02 Ip address ******
Present:
ARP CACHE OF client1:
-------------------------------------------------
| Ip address | Mac Address |
-------------------------------------------------
-------------------------------------------------
MAC Address for the sender Ip Address ( 23.53.33.02 ) is not availble in the cache of Client 1. So there's need to send Arp request
ARP_REQUEST Packet:
-------------------------------------------------------------------------------------------------------------------------------------------------
| Source Ip address | Source Mac Address | Dest IP Address | Dest Mac Address | Operation Code |
-------------------------------------------------------------------------------------------------------------------------------------------------
| 23.23.23.01 | ef:ds:fd:ef:ds:fd | 23.53.33.02 | ff:ff:ff:ff:ff:ff | ARP_REQUEST |
-------------------------------------------------------------------------------------------------------------------------------------------------
-------------------------------------------------------------------------------------------------
| Hardware Type | Hardware Length | Protocol Type | Protocol Length |
-------------------------------------------------------------------------------------------------
| 1 | 6 | 0x0800 | 4 |
-------------------------------------------------------------------------------------------------
*** ARP packet arrives at Network Switch ***
ARP_REQUEST Packet:
-------------------------------------------------------------------------------------------------------------------------------------------------
| Source Ip address | Source Mac Address | Dest IP Address | Dest Mac Address | Operation Code |
-------------------------------------------------------------------------------------------------------------------------------------------------
| 23.23.23.01 | ef:ds:fd:ef:ds:fd | 23.53.33.02 | ff:ff:ff:ff:ff:ff | ARP_REQUEST |
-------------------------------------------------------------------------------------------------------------------------------------------------
-------------------------------------------------------------------------------------------------
| Hardware Type | Hardware Length | Protocol Type | Protocol Length |
-------------------------------------------------------------------------------------------------
| 1 | 6 | 0x0800 | 4 |
-------------------------------------------------------------------------------------------------
Network Switch: As the destination mac address is ff:ff:ff:ff:ff:ff, so it is broadcast ARP_REQUEST
Network Switch: Broadcasting the ARP PAcket from Network switch
*** ARP packet arrives at Network Switch ***
ARP_REQUEST Packet:
-------------------------------------------------------------------------------------------------------------------------------------------------
| Source Ip address | Source Mac Address | Dest IP Address | Dest Mac Address | Operation Code |
-------------------------------------------------------------------------------------------------------------------------------------------------
| 23.23.23.01 | ef:ds:fd:ef:ds:fd | 23.53.33.02 | ff:ff:ff:ff:ff:ff | ARP_REQUEST |
-------------------------------------------------------------------------------------------------------------------------------------------------
-------------------------------------------------------------------------------------------------
| Hardware Type | Hardware Length | Protocol Type | Protocol Length |
-------------------------------------------------------------------------------------------------
| 1 | 6 | 0x0800 | 4 |
-------------------------------------------------------------------------------------------------
Network Switch: As the destination mac address is ff:ff:ff:ff:ff:ff, so it is broadcast ARP_REQUEST
Network Switch: Broadcasting the ARP PAcket from Network switch
Client 2: is dropping the packet due to BUFFER OVERFLOW
Client 3: is dropping the packet due to BUFFER OVERFLOW
***** Client 3 request mac Address for the given 23.23.23.01 Ip address ******
Present:
ARP CACHE OF client3:
-------------------------------------------------
| Ip address | Mac Address |
-------------------------------------------------
-------------------------------------------------
MAC Address for the sender Ip Address ( 23.23.23.01 ) is not availble in the cache of Client 3. So there's need to send Arp request
ARP_REQUEST Packet:
-------------------------------------------------------------------------------------------------------------------------------------------------
| Source Ip address | Source Mac Address | Dest IP Address | Dest Mac Address | Operation Code |
-------------------------------------------------------------------------------------------------------------------------------------------------
| 22.23.23.03 | ed:sd:w3:r0:2d:1d | 23.23.23.01 | ff:ff:ff:ff:ff:ff | ARP_REQUEST |
-------------------------------------------------------------------------------------------------------------------------------------------------
-------------------------------------------------------------------------------------------------
| Hardware Type | Hardware Length | Protocol Type | Protocol Length |
-------------------------------------------------------------------------------------------------
| 1 | 6 | 0x0800 | 4 |
-------------------------------------------------------------------------------------------------
***** Client 3 receives ARP packet from Network switch ******
ARP_REQUEST Packet:
-------------------------------------------------------------------------------------------------------------------------------------------------
| Source Ip address | Source Mac Address | Dest IP Address | Dest Mac Address | Operation Code |
-------------------------------------------------------------------------------------------------------------------------------------------------
| 23.23.23.01 | ef:ds:fd:ef:ds:fd | 23.53.33.02 | ff:ff:ff:ff:ff:ff | ARP_REQUEST |
-------------------------------------------------------------------------------------------------------------------------------------------------
-------------------------------------------------------------------------------------------------
| Hardware Type | Hardware Length | Protocol Type | Protocol Length |
-------------------------------------------------------------------------------------------------
| 1 | 6 | 0x0800 | 4 |
-------------------------------------------------------------------------------------------------
Updated Arp cache of client 3
ARP CACHE OF client3:
-------------------------------------------------
| Ip address | Mac Address |
-------------------------------------------------
| 23.23.23.01 | ef:ds:fd:ef:ds:fd |
-------------------------------------------------
Client 3 DROPS THE PACKET AS THE destination IP address ( 23.53.33.02 ) doesn't match with the current client IP Address ( 22.23.23.03 )
*** ARP packet arrives at Network Switch ***
ARP_REQUEST Packet:
-------------------------------------------------------------------------------------------------------------------------------------------------
| Source Ip address | Source Mac Address | Dest IP Address | Dest Mac Address | Operation Code |
-------------------------------------------------------------------------------------------------------------------------------------------------
| 22.23.23.03 | ed:sd:w3:r0:2d:1d | 23.23.23.01 | ff:ff:ff:ff:ff:ff | ARP_REQUEST |
-------------------------------------------------------------------------------------------------------------------------------------------------
-------------------------------------------------------------------------------------------------
| Hardware Type | Hardware Length | Protocol Type | Protocol Length |
-------------------------------------------------------------------------------------------------
| 1 | 6 | 0x0800 | 4 |
-------------------------------------------------------------------------------------------------
Network Switch: As the destination mac address is ff:ff:ff:ff:ff:ff, so it is broadcast ARP_REQUEST
Network Switch: Broadcasting the ARP PAcket from Network switch
Client 2: is dropping the packet due to BUFFER OVERFLOW
***** Client 1 receives ARP packet from Network switch ******
ARP_REQUEST Packet:
-------------------------------------------------------------------------------------------------------------------------------------------------
| Source Ip address | Source Mac Address | Dest IP Address | Dest Mac Address | Operation Code |
-------------------------------------------------------------------------------------------------------------------------------------------------
| 22.23.23.03 | ed:sd:w3:r0:2d:1d | 23.23.23.01 | ff:ff:ff:ff:ff:ff | ARP_REQUEST |
-------------------------------------------------------------------------------------------------------------------------------------------------
-------------------------------------------------------------------------------------------------
| Hardware Type | Hardware Length | Protocol Type | Protocol Length |
-------------------------------------------------------------------------------------------------
| 1 | 6 | 0x0800 | 4 |
-------------------------------------------------------------------------------------------------
Updated Arp cache of client 1
ARP CACHE OF client1:
-------------------------------------------------
| Ip address | Mac Address |
-------------------------------------------------
| 22.23.23.03 | ed:sd:w3:r0:2d:1d |
-------------------------------------------------
Client 1 IP address ( 23.23.23.01 ) matches with the ARP request destination IP Address ( 23.23.23.01 )
Client 1: Sending back ARP response to the source IP address of the ARP Request
ARP_RESPONSE Packet:
-------------------------------------------------------------------------------------------------------------------------------------------------
| Source Ip address | Source Mac Address | Dest IP Address | Dest Mac Address | Operation Code |
-------------------------------------------------------------------------------------------------------------------------------------------------
| 23.23.23.01 | ef:ds:fd:ef:ds:fd | 22.23.23.03 | ed:sd:w3:r0:2d:1d | ARP_RESPONSE |
-------------------------------------------------------------------------------------------------------------------------------------------------
-------------------------------------------------------------------------------------------------
| Hardware Type | Hardware Length | Protocol Type | Protocol Length |
-------------------------------------------------------------------------------------------------
| 1 | 6 | 0x0800 | 4 |
-------------------------------------------------------------------------------------------------
*** ARP packet arrives at Network Switch ***
ARP_RESPONSE Packet:
-------------------------------------------------------------------------------------------------------------------------------------------------
| Source Ip address | Source Mac Address | Dest IP Address | Dest Mac Address | Operation Code |
-------------------------------------------------------------------------------------------------------------------------------------------------
| 23.23.23.01 | ef:ds:fd:ef:ds:fd | 22.23.23.03 | ed:sd:w3:r0:2d:1d | ARP_RESPONSE |
-------------------------------------------------------------------------------------------------------------------------------------------------
-------------------------------------------------------------------------------------------------
| Hardware Type | Hardware Length | Protocol Type | Protocol Length |
-------------------------------------------------------------------------------------------------
| 1 | 6 | 0x0800 | 4 |
-------------------------------------------------------------------------------------------------
Network Switch: As the destination mac address is ed:sd:w3:r0:2d:1d, so it is Unicast ARP_REPLY
Network Switch: SENDING the ARP_REPLY to client with mac = ed:sd:w3:r0:2d:1d
***** Client 2 request mac Address for the given 22.23.23.03 Ip address ******
Present:
ARP CACHE OF client2:
-------------------------------------------------
| Ip address | Mac Address |
-------------------------------------------------
-------------------------------------------------
MAC Address for the sender Ip Address ( 22.23.23.03 ) is not availble in the cache of Client 2. So there's need to send Arp request
ARP_REQUEST Packet:
-------------------------------------------------------------------------------------------------------------------------------------------------
| Source Ip address | Source Mac Address | Dest IP Address | Dest Mac Address | Operation Code |
-------------------------------------------------------------------------------------------------------------------------------------------------
| 23.53.33.02 | ed:ds:wd:re:dd:gd | 22.23.23.03 | ff:ff:ff:ff:ff:ff | ARP_REQUEST |
-------------------------------------------------------------------------------------------------------------------------------------------------
-------------------------------------------------------------------------------------------------
| Hardware Type | Hardware Length | Protocol Type | Protocol Length |
-------------------------------------------------------------------------------------------------
| 1 | 6 | 0x0800 | 4 |
-------------------------------------------------------------------------------------------------
***** Client
*** ARP packet arrives at Network Switch ***
ARP_REQUEST Packet:
-------------------------------------------------------------------------------------------------------------------------------------------------
| Source Ip address | Source Mac Address | Dest IP Address | Dest Mac Address | Operation Code |
-------------------------------------------------------------------------------------------------------------------------------------------------
| 23.53.33.02 | ed:ds:wd:re:dd:gd | 22.23.23.03 | ff:ff:ff:ff:ff:ff | ARP_REQUEST |
-------------------------------------------------------------------------------------------------------------------------------------------------
-------------------------------------------------------------------------------------------------
| Hardware Type | Hardware Length | Protocol Type | Protocol Length |
-------------------------------------------------------------------------------------------------
| 1 | 6 | 0x0800 | 4 |
-------------------------------------------------------------------------------------------------
Network Switch: As the destination mac address is ff:ff:ff:ff:ff:ff, so it is broadcast ARP_REQUEST
Network Switch: Broadcasting the ARP PAcket from Network switch
Client 3: is dropping the packet due to BUFFER OVERFLOW
***** Client 1 receives ARP packet from Network switch ******
ARP_REQUEST Packet:
-------------------------------------------------------------------------------------------------------------------------------------------------
| Source Ip address | Source Mac Address | Dest IP Address | Dest Mac Address | Operation Code |
-------------------------------------------------------------------------------------------------------------------------------------------------
| 23.53.33.02 | ed:ds:wd:re:dd:gd | 22.23.23.03 | ff:ff:ff:ff:ff:ff | ARP_REQUEST |
-------------------------------------------------------------------------------------------------------------------------------------------------
-------------------------------------------------------------------------------------------------
| Hardware Type | Hardware Length | Protocol Type | Protocol Length |
-------------------------------------------------------------------------------------------------
| 1 | 6 | 0x0800 | 4 |
-------------------------------------------------------------------------------------------------
Updated Arp cache of client 1
ARP CACHE OF client1:
-------------------------------------------------
| Ip address | Mac Address |
-------------------------------------------------
| 23.53.33.02 | ed:ds:wd:re:dd:gd |
| 22.23.23.03 | ed:sd:w3:r0:2d:1d |
-------------------------------------------------
Client 1 DROPS THE PACKET AS THE destination IP address ( 22.23.23.03 ) doesn't match with the current client IP Address ( 23.23.23.01 )
2 receives ARP packet from Network switch ******
ARP_REQUEST Packet:
-------------------------------------------------------------------------------------------------------------------------------------------------
| Source Ip address | Source Mac Address | Dest IP Address | Dest Mac Address | Operation Code |
-------------------------------------------------------------------------------------------------------------------------------------------------
| 23.23.23.01 | ef:ds:fd:ef:ds:fd | 23.53.33.02 | ff:ff:ff:ff:ff:ff | ARP_REQUEST |
-------------------------------------------------------------------------------------------------------------------------------------------------
-------------------------------------------------------------------------------------------------
| Hardware Type | Hardware Length | Protocol Type | Protocol Length |
-------------------------------------------------------------------------------------------------
| 1 | 6 | 0x0800 | 4 |
-------------------------------------------------------------------------------------------------
Updated Arp cache of client 2
ARP CACHE OF client2:
-------------------------------------------------
| Ip address | Mac Address |
-------------------------------------------------
| 23.23.23.01 | ef:ds:fd:ef:ds:fd |
-------------------------------------------------
Client 2 IP address ( 23.53.33.02 ) matches with the ARP request destination IP Address ( 23.53.33.02 )
Client 2: Sending back ARP response to the source IP address of the ARP Request
ARP_RESPONSE Packet:
-------------------------------------------------------------------------------------------------------------------------------------------------
| Source Ip address | Source Mac Address | Dest IP Address | Dest Mac Address | Operation Code |
-------------------------------------------------------------------------------------------------------------------------------------------------
| 23.53.33.02 | ed:ds:wd:re:dd:gd | 23.23.23.01 | ef:ds:fd:ef:ds:fd | ARP_RESPONSE |
-------------------------------------------------------------------------------------------------------------------------------------------------
-------------------------------------------------------------------------------------------------
| Hardware Type | Hardware Length | Protocol Type | Protocol Length |
-------------------------------------------------------------------------------------------------
| 1 | 6 | 0x0800 | 4 |
-------------------------------------------------------------------------------------------------
*** ARP packet arrives at Network Switch ***
ARP_RESPONSE Packet:
-------------------------------------------------------------------------------------------------------------------------------------------------
| Source Ip address | Source Mac Address | Dest IP Address | Dest Mac Address | Operation Code |
-------------------------------------------------------------------------------------------------------------------------------------------------
| 23.53.33.02 | ed:ds:wd:re:dd:gd | 23.23.23.01 | ef:ds:fd:ef:ds:fd | ARP_RESPONSE |
-------------------------------------------------------------------------------------------------------------------------------------------------
-------------------------------------------------------------------------------------------------
| Hardware Type | Hardware Length | Protocol Type | Protocol Length |
-------------------------------------------------------------------------------------------------
| 1 | 6 | 0x0800 | 4 |
-------------------------------------------------------------------------------------------------
Network Switch: As the destination mac address is ef:ds:fd:ef:ds:fd, so it is Unicast ARP_REPLY
Network Switch: SENDING the ARP_REPLY to client with mac = ef:ds:fd:ef:ds:fd
***** Client 1 receives ARP packet from Network switch ******
ARP_RESPONSE Packet:
-------------------------------------------------------------------------------------------------------------------------------------------------
| Source Ip address | Source Mac Address | Dest IP Address | Dest Mac Address | Operation Code |
-------------------------------------------------------------------------------------------------------------------------------------------------
| 23.53.33.02 | ed:ds:wd:re:dd:gd | 23.23.23.01 | ef:ds:fd:ef:ds:fd | ARP_RESPONSE |
-------------------------------------------------------------------------------------------------------------------------------------------------
-------------------------------------------------------------------------------------------------
| Hardware Type | Hardware Length | Protocol Type | Protocol Length |
-------------------------------------------------------------------------------------------------
| 1 | 6 | 0x0800 | 4 |
-------------------------------------------------------------------------------------------------
Updated Arp cache of client 1
ARP CACHE OF client1:
-------------------------------------------------
| Ip address | Mac Address |
-------------------------------------------------
| 23.53.33.02 | ed:ds:wd:re:dd:gd |
| 22.23.23.03 | ed:sd:w3:r0:2d:1d |
-------------------------------------------------
Client 1 get back the mac address ( ed:ds:wd:re:dd:gd ) for the IP address ( 23.53.33.02 )
***** Client 3 receives ARP packet from Network switch ******
ARP_RESPONSE Packet:
-------------------------------------------------------------------------------------------------------------------------------------------------
| Source Ip address | Source Mac Address | Dest IP Address | Dest Mac Address | Operation Code |
-------------------------------------------------------------------------------------------------------------------------------------------------
| 23.23.23.01 | ef:ds:fd:ef:ds:fd | 22.23.23.03 | ed:sd:w3:r0:2d:1d | ARP_RESPONSE |
-------------------------------------------------------------------------------------------------------------------------------------------------
-------------------------------------------------------------------------------------------------
| Hardware Type | Hardware Length | Protocol Type | Protocol Length |
-------------------------------------------------------------------------------------------------
| 1 | 6 | 0x0800 | 4 |
-------------------------------------------------------------------------------------------------
Updated Arp cache of client 3
ARP CACHE OF client3:
-------------------------------------------------
| Ip address | Mac Address |
-------------------------------------------------
| 23.23.23.01 | ef:ds:fd:ef:ds:fd |
-------------------------------------------------
Client 3 get back the mac address ( ef:ds:fd:ef:ds:fd ) for the IP address ( 23.23.23.01 )