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AR Router Troubleshooting Guide

This Product Documentation provides guidance for maintaining AR Enterprise Router, covering common information collection and fault diagnostic commands, typical fault troubleshooting guide, and troubleshooting.
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What Can I Do If Routes Are Lost, Unstable, or Unreachable When the Number of LSPs Configured on a Device Exceeds the Maximum

What Can I Do If Routes Are Lost, Unstable, or Unreachable When the Number of LSPs Configured on a Device Exceeds the Maximum

Symptoms

When the number of LSPs configured on a device exceeds the maximum during MPLS configuration, routes may be lost, unstable, or unreachable.

Troubleshooting Procedure

  • Reduce the number of routes.

    Check whether all routes in a routing table are useful. If any route is useless, run the filter-policy import command to configure a policy for filtering routes received by OSPF.

  • Reduce the number of LSPs.

    Run the display mpls lsp command to display the LSP IP addresses. Determine useless LSPs. Then run the lsp-trigger command to prohibit some addresses from importing LSPs.

  • Upgrade the device.

    If all routes and LSPs are useful, you can determine that the device performance does not meet your site requirement. In this case, replace it with a device with higher performance.

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Updated: 2019-08-09

Document ID: EDOC1000079719

Views: 493170

Downloads: 4525

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