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Configuration Guide - VXLAN

CloudEngine 12800 and 12800E V200R003C00

This document describes the configurations of VXLAN.
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(Optional) Optimizing ACL Resource Usage on the VXLAN

(Optional) Optimizing ACL Resource Usage on the VXLAN

Context

If you configure other ACL resource-consuming services, such as MQC, simplified ACL, traffic policing, BD traffic statistics collection, and DHCP on a switch deployed with VXLAN services, there is high probability that the other services fail to be configured. In this case, use either of the following methods to reduce the probability of service deployment failures.
  • Disabling an Eth-Trunk from load balancing VXLAN packets in optimized mode:
    • You are advised to disable load balancing of VXLAN packets in optimized mode when neither the user side nor the network side of a VXLAN tunnel is an Eth-Trunk.
    • You can disable load balancing of VXLAN packets in optimized mode when either the user side or the network side of a VXLAN tunnel is an Eth-Trunk. After this function is disabled, an Eth-Trunk does not evenly load balance VXLAN packets or does not perform load balancing.
    NOTE:
    • When the card interoperability mode is non-enhanced mode, both EA/EC/ED/EF/EG/BA/CE-FWA/CE-IPSA series interface cards and FD/FDA/FD1/FG/FG1 series interface cards can be installed on the switch, that is, interface cards of any series can be installed on the switch.

    • This function is not supported if the card works in enhanced mode. Run the display forward capability command to check the working mode of the card.

    • Only the CE12800 supports this function.

Procedure

  1. Run system-view

    The system view is displayed.

  2. Run assign forward nvo3 eth-trunk hash disable

    An Eth-Trunk is disabled from load balancing VXLAN packets in optimized mode.

    By default, an Eth-Trunk load balances VXLAN packets in optimized mode.

  3. Run commit

    The configuration is committed.

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Updated: 2019-05-05

Document ID: EDOC1100004207

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