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Configuration Guide - QoS

CloudEngine 12800 and 12800E V200R003C00

This document describes the configurations of QoS functions, including MQC, priority mapping, traffic policing, traffic shaping, interface-based rate limiting, congestion avoidance, congestion management, packet filtering, redirection, traffic statistics, and ACL-based simplified traffic policy.
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Licensing Requirements and Limitations for Redirection

Licensing Requirements and Limitations for Redirection

Involved Network Elements

Other network elements are not required.

Licensing Requirements

Redirection is a basic feature of a switch and is not under license control.

Version Requirements

Table 8-1 Products and minimum version supporting redirection

Product

Minimum Version Required

CE12804/CE12808/CE12812

V100R001C00

CE12816

V100R003C00

CE12804S/CE12808S

V100R005C00

CE12800E

V200R002C50

Feature Limitations

  • Traffic policies containing redirection cannot be applied in the outbound direction.
  • Packets forwarded at Layer 2 are redirected to an interface. Packets forwarded at Layer 3 and packets forwarded in unicast mode to a VXLAN tunnel are redirected to the next hop.
  • For CE12800 switches, the action of redirecting packets to an observing interface group is valid for only Layer 2 packets.
  • Applying a traffic policy containing redirection to the CPU may affect the system performance. Exercise caution when you apply a traffic policy containing redirection to the CPU.
  • For CE12800 switches, when a traffic policy containing redirection is applied to a Layer 2 Ethernet interface, the Layer 2 Ethernet interface can only redirect Layer 2 packets. When a traffic policy containing redirection is applied to a VLANIF interface, the VLANIF interface can redirect both Layer 2 and Layer 3 packets. A traffic policy containing redirection can be applied to a Layer 3 physical interface, but does not take effect.

  • For CE12800E switches, when a traffic policy containing redirection is applied to a Layer 2 Ethernet interface, the Layer 2 Ethernet interface can only redirect Layer 2 packets. When a traffic policy containing redirection is applied to a VLANIF interface, the VLANIF interface can only redirect Layer 3 packets. A traffic policy containing redirection can be applied to a Layer 3 physical interface, but does not take effect.

  • For CE12800 switches, on the device at the VXLAN tunnel egress, all VXLAN packets cannot be redirected to interfaces.

  • On the CE12800E, when a traffic policy that defines redirection to a specified interface is applied to a Layer 3 main interface, the redirect-to-interface must be the Layer 3 main interface. On the CE12800E configured with FD-X series cards, a traffic policy that defines redirection to a specified interface cannot be configured on a Layer 3 main interface.
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Updated: 2019-05-05

Document ID: EDOC1100004202

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