Siemens EF 711 Series Betriebsanweisung PDF herunterladen (Seite 243)

Configuring a VNS

VNS Global Settings

SCALANCE WLC711

User Guide, V8.11, 07/2012, C79000-G8976-C260-03 7-3

These entities are simply placeholders for Policy completion, in case policies are incompletely

defined. For example, a Policy may be defined as “no-change” for Topology assignment.

If an incomplete Policy is assigned as the default for a VNS / WLAN Service (wireless port), the

incomplete Policy needs to be fully qualified, at which point the missing values are picked from

the Default Global Policy definitions, and the resulting policy is applied as default.

Note:

You can edit the attributes of the Default Global Policy (in the VNS > Globals tab) to any other parameters of

your choosing (for example, any other topology, more permissive filter sets, more restrictive Rate Control

profile).

It is possible to define a Default Global Policy to refer to a specific Topology (for example,

Topology_VLAN), and then configure every other Policy’s topology simply as “No-change.” This

will cause the default assignment to Topology_VLAN, so that all user traffic, regardless of which

policy they're currently using (with different access rights, different rate controls) will be carried

through the same VLAN.

VNS Global Settings

Before defining a specific VNS, define the global settings that will apply to all VNS definitions.

These global settings include:

• Authentication

– Configuring RADIUS servers on the enterprise network. The defined servers are

displayed as available choices when you set up the authentication mechanism for each

WLAN Service.

– Configuring the MAC format.

– Configuring RFC 3580 (ACCESS -ACCEPT) RADIUS attributes for the selected server. A

Policy Map Table maps each VLAN ID to a Policy ID.

• DAS (Dynamic Authorization Service)

– Configuring Dynamic Authorization Service (DAS) support. DAS helps secure your

network by providing the ability to disconnect a mobile device from your network.

• Wireless QoS, comprising Admission Control Thresholds and Flexible Client Access Fairness

Policy.

– Admission control thresholds protect admitted traffic against overloads, provide distinct

thresholds for VO (voice) and VI (video), and distinct thresholds for roaming and new

streams.

– Flexible Client Access provides the ability to adjust media access fairness in five levels

between Packet Fairness and Airtime Fairness.

• Bandwidth Control

– The Bandwidth Control Profiles you define are displayed as available choices in the Rate

Profiles menu when you set up CoS policy.

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Siemens EF 711 Series Betriebsanweisung Seite 243