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[SAM+] How to avoid ARP spoofing on the simplified campus network?

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Post time 2017-5-3 17:38:49 | Show all posts |Read mode
How to avoid ARP spoofing on the simplified campus network?
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 Author| Post time 2017-5-3 17:39:08 | Show all posts
The users are isolated on Layer 2 to avoid ARP and DHCP snooping.
  • Access isolation: The protected interfaces of all access devices are enabled to avoid L2 interworking.
  • QinQ isolation: The inner VID and outer VID are used to isolate the broadcast domain of the users to avoid L2 interworking.

Automatically binding a static ARP entry to an authenticated user on the N18K
  • The authenticated user is automatically binding a static ARP entry on the N18K. If the user IP address is changed after authentication, the communication fails.


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