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Title: What is the ARP proxy mechanism after the authentication is enabled on the N18K device? [Print this page]

Author: admin Time: 2017-5-3 17:51
Title: What is the ARP proxy mechanism after the authentication is enabled on the N18K device?
What is the ARP proxy mechanism after the authentication is enabled on the N18K device?

Author: admin Time: 2017-5-3 17:51

In the web authentication scenario on the N18K, the ARP proxy mechanism is as follows:

The N18K sends the ARP requests to users only in the authentication-exempt VLANs.
After a user is successfully authenticated, a static ARP entry is generated.
In the VLAN that requires authentication, only when the authentication-exempt user actively initiates an ARP request, the N18K device generates an ARP entry for the authentication-exempt user.

Precautions for ARP proxy mechanism planning:

This type of terminals should be uniformly planned in the authentication-exempt VLAN.

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