Bedienungsanleitung Netgear GC110P (Seite 399 von 416) (Englisch)

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Configuration Examples

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Insight Managed 8-Port Gigabit Ethernet Smart Cloud Switch with 2 SFP Fiber Ports

LAN port with point-to-point connection characteristics. If the authentication and authorization

process fails, access control prevents access to that port. In this context, a port is a single

point of attachment to the LAN, such as a port of a MAC bridge and an association between

stations or access points in IEEE 802.11 wireless LANs.

The IEEE 802.11 standard describes an architectural framework within which authentication

and consequent actions take place. It also establishes the requirements for a protocol

between the authenticator (the system that passes an authentication request to the

authentication server) and the supplicant (the system that requests authentication), as well

as between the authenticator and the authentication server.

The switch can support a guest VLAN, which allows unauthenticated users limited access to

the network resources.

Note: You can use QoS features to provide rate limiting on the guest VLAN

to limit the network resources that the guest VLAN provides.

Another 802.1X feature is the ability to configure a port to enable or disable EAPoL packet

forwarding support. You can disable or enable the forwarding of EAPoL when 802.1X is

disabled on the device.

The ports of an 802.1X authenticator switch provide the means by which it can offer services

to other systems reachable through the LAN. Port-based network access control allows the

operation of a switch’s ports to be controlled to ensure that access to its services is permitted

only by systems that are authorized to do so.

Port access control provides a means of preventing unauthorized access by supplicants to

the services offered by a system. Control over the access to a switch and the LAN to which it

is connected can be desirable when you restrict access to publicly accessible bridge ports or

to restrict access to departmental LANs.

Access control is achieved by enforcing authentication of supplicants that are attached to an

authenticator's controlled ports. The result of the authentication process determines whether

the supplicant is authorized to access services on that controlled port.

A port access entity (PAE) is able to adopt one of two distinct roles within an access control

interaction:

1. Authenticator. A port that enforces authentication before allowing access to services

available through that port.

2. Supplicant. A port that attempts to access services offered by the authenticator.

Additionally, a third role exists:

3. Authentication server. A server that performs the authentication function necessary to

check the credentials of the supplicant on behalf of the authenticator.

All three roles are required for an authentication exchange.

The switch supports the authenticator role only, in which the PAE is responsible for

communicating with the supplicant. The authenticator PAE is also responsible for submitting

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