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NE20E-S2 V800R010C10SPC500 Configuration Guide - LAN Access and MAN Access 01

This is NE20E-S2 V800R010C10SPC500 Configuration Guide - LAN Access and MAN Access
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Summary of ERPS Configuration Tasks

Summary of ERPS Configuration Tasks

This section describes ERPS features supported by the NE20E.

ERPS is a protocol defined by the ITU-T to block specified ports to prevent Layer 2 loops.

The ERPSv1 configuration roadmap is as follows:
  1. Create an ERPS ring, configure the control VLAN and ERP instance, add ports to the rings, and specify port roles. These ERPS configurations help break loops.
  2. Configure the WTR timer and guard timer for the ERPS ring according to real-world situations.
  3. Associate ERPS with a fault detection protocol to shorten the traffic interruption time.
The ERPSv2 configuration roadmap is as follows:
  1. Create ERPS rings, configure control VLANs and ERP instances for the rings, specify ERPSv2, specify major rings and sub-rings, add ports, and specify port roles. These ERPS configurations help break loops.
  2. Configure the topology change notification function to ensure traffic transmission according to real-world situations.
  3. Configure ERPS revertive or non-revertive switching, forced switch (FS) or manual switch (MS), or timers according to real-world situations.
  4. Associate ERPS with a fault detection protocol to shorten the traffic interruption time.

ERPSv1 and ERPSv2 are currently available. ERPSv2, compatible with ERPSv1, supports multi-ring topologies and association with connectivity fault management (CFM), in addition to ERPSv1 functions, such as single ring topologies and multi-instance.

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Updated: 2019-01-02

Document ID: EDOC1100055378

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