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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 an Interface on a PPPoE Client Frequently Alternates Between Up and Down States?

What Can I Do If an Interface on a PPPoE Client Frequently Alternates Between Up and Down States?

The possible causes are as follows:

  • The IP address assigned to the interface by the PPPoE server is the same as that of another interface on the PPPoE client.

    Solution: Change the conflicting IP address on the PPPoE client or run the remote address command on the PPPoE server to change the IP address assigned to the interface.

  • All IP addresses in the address pool on the PPPoE server have been allocated to PPPoE clients and no IP address is available for this interface.

    Solution: Run the network command in the IP address pool view on the PPPoE server to expand the IP address range of the IP address pool.

Updated: 2019-05-10

Document ID: EDOC1000079719

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