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DDOS Network flood

If Switches flood arp requests on the entire network , then if we keep pinging an invalid ip address which is supposed to be on the network , then arp frames will be flooded all over the network. Which can cause a DDOS.


Why does this occur and how do we prevent this ?

1 Reply 1

balaji.bandi
Hall of Fame
Hall of Fame

what is the model of the switch here,  you can have CoPP or ACL as mentioned below :

 

https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst6500/ios/15-3SY/config_guide/sup6T/15_3_sy_swcg_6T/denial_of_service.pdf

 

 

BB

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