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NE40E V800R010C10SPC500 Configuration Guide - Value-Added-Service 01

This is NE40E V800R010C10SPC500 Configuration Guide - Value-Added-Service

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Licensing Requirements and Limitations for DAA

Licensing Requirements and Limitations for DAA

Licensing Requirements

BOM

License Control Item

Description

Minimum Version Requirement

81400279

NetEngine40E&80E DAA Function License

Controllable feature:

This license controls the DAA function. Destination address accounting (DAA) implements differentiated accounting, rate limit, and priority scheduling based on traffic destination addresses. DAA ACLs are used to place flows with different destination addresses in different channels, which use different services to limit rates and perform accounting.

V800R009

Restrictions and Guidelines

Restrictions

Guidelines

Impact

After DAA services are deployed in the web pre-authentication domain, users cannot be switched to the web authentication domain.

Plan DAA services in the web authentication domain when both web and DAA services are deployed.

If DAA services are deployed in the web pre-authentication domain, users cannot log in to the web authentication domain.

Home users (QoS-profile is configured in the BAS interface view) and users with the same user name (user-max-session is configured in a domain or the portlimit attribute is delivered by the RADIUS server) do not support DAA.

None

After DAA is configured for home users and users with the same user name, home users all apply for QoS resources. That is, home users cannot share the same resource to implement uniform rate limit.

DAA service policies cannot be delivered over the COPS protocol.

None

DAA service policies can only be bound to a domain or delivered by the RADIUS/Diameter server.

A DAA service can be generated only when a DAA service policy is bound to a domain or delivered using a RADIUS authentication response packet. A DAA service policy can be switched through the RADIUS server. A DAA service cannot be generated using a DAA service policy delivered by the RADIUS server after a user goes online.

Configure an empty DAA service policy in a domain.

If a DAA service needs to be deployed, a DAA service policy must be bound to a domain or delivered using a RADIUS authentication response packet.

DAA service policy switching restrictions:
  • A DAA service policy in non-uniform accounting mode supports switching for only existing services. The level and number of services do not change before and after switching.
  • Switching is not supported between a DAA service policy in non-uniform accounting mode and a DAA service policy in uniform accounting mode.
  • The IP address types in service policies must be the same before and after switching. Otherwise, services cannot be switched.
  • When a DAA service policy is switched, the accounting scheme in the DAA service policy cannot be switched.

Do not switch a DAA service policy in the scenarios that are not supported.

A DAA service policy fails to be switched.

DAA quota delivery restrictions:
  • If both duration and volume quotas are delivered for DAA services, only the duration quota takes effect.
  • After DAA service quotas are exhausted in non-uniform accounting mode, service traffic cannot be forwarded. Services with quota exhaustion cannot be restored by delivering a service policy dynamically, and redirection is not supported.
  • Check that duration and volume quotas are delivered separately.
  • Configure uniform accounting for DAA services.

After DAA service quotas are exhausted in non-uniform accounting mode, service traffic cannot be forwarded. Services cannot be restored by delivering a service policy or quota, and redirection fails.

DAA rate limit restrictions:
  • When SQ rate limit is used for a DAA service, non-service traffic enters the BE queue. If the DAA service is planned for the BE queue, non-service traffic is controlled by the DAA service's rate limit and is counted into the DAA service.
  • Service separation is configured. If CAR rate limit is configured for DAA services and SQ rate limit is configured for users, service separation does not take effect.
  • If QoS resources are insufficient during DAA service policy switching, resources are not switched and services before switching remain unchanged. Service resource insufficiency can be checked.
  • SQ rate limit is configured for DAA services. If no rate limit is configured for a user, the user's rate is also limited.
  • Do not configure a DAA service for the BE queue if SQ rate limit is configured for the DAA service.
  • None
  • Do not switch a DAA service policy if QoS resources are insufficient.
  • None

Rate limit and statistics are inaccurate.

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Updated: 2019-01-03

Document ID: EDOC1100055032

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