Bedienungsanleitung Netgear GSM4210P (Seite 691 von 700) (Englisch)

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Configuration Examples

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M4200 and M4300 Series ProSAFE Managed Switches Web Management User Manual

6. From the RADIUS Server Configuration page, configure a RADIUS server with the following

settings:

• Server Address: 192.168.10.23

• Secret Configured: Yes

• Secret: secret123

• Active: Primary

For more information, see Manage the RADIUS Server Settings on page 488.

7. Click the Add button.

8. From the Authentication List page, configure the default List to use RADIUS as the first

authentication method (See Configure a Login Authentication List on page 497).

This example enables 802.1X-based port security on the switch and prompts the hosts

connected on ports g5-g8 for an 802.1X-based authentication. The switch passes the

authentication information to the configured RADIUS server.

MSTP

Spanning Tree Protocol (STP) runs on bridged networks to help eliminate loops. If a bridge

loop occurs, the network can become flooded with traffic. IEEE 802.1s Multiple Spanning

Tree Protocol (MSTP) supports multiple instances of Spanning Tree to efficiently channel

VLAN traffic over different interfaces. Each instance of the Spanning Tree behaves in the

manner specified in IEEE 802.1w, Rapid Spanning Tree, with slight modifications in the

working but not the end effect (chief among the effects is the rapid transitioning of the port to

the Forwarding state).

The difference between the RSTP and the traditional STP (IEEE 802.1D) is the ability to

configure and recognize full duplex connectivity and ports that are connected to end stations,

resulting in rapid transitioning of the port to the Forwarding state and the suppression of

Topology Change Notification. These features are represented by the parameters

pointtopoint and edgeport. MSTP is compatible to both RSTP and STP. It behaves

appropriately to STP and RSTP bridges.

A MSTP bridge can be configured to behave entirely as a RSTP bridge or a STP bridge. So,

an IEEE 802.1s bridge inherently also supports IEEE 802.1w and IEEE 802.1D.

The MSTP algorithm and protocol provides simple and full connectivity for frames assigned

to any given VLAN throughout a Bridged LAN comprising arbitrarily interconnected

networking devices, each operating MSTP, STP or RSTP. MSTP allows frames assigned to

different VLANs to follow separate paths, each based on an independent Multiple Spanning

Tree Instance (MSTI), within Multiple Spanning Tree (MST) Regions composed of LANs and

or MSTP Bridges. These Regions and the other Bridges and LANs are connected into a

single Common Spanning Tree (CST). [IEEE DRAFT P802.1s/D13]

MSTP connects all Bridges and LANs with a single Common and Internal Spanning Tree

(CIST). The CIST supports the automatic determination of each MST region, choosing its

maximum possible extent. The connectivity calculated for the CIST provides the CST for

interconnecting these Regions, and an Internal Spanning Tree (IST) within each Region.

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