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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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Network Access Through Internet-side Port 80, 8080, or 443 Fails

Network Access Through Internet-side Port 80, 8080, or 443 Fails

Internet-side ports 80, 8080, and 443 are disabled by a carrier. If Internet-side port 80, 8080, or 443 is enabled in NAT, users cannot access the intranet.

In the following example, Internet-side port 80 is configured as a NAT server.
[Huawei-GigabitEthernet1/0/0] nat server protocol tcp global 80 inside 80

When devices on another network access the intranet, intranet port 80 is mapped to Internet-side port 80, causing an access failure. To resolve this problem, change the mapped Internet-side port to a port except ports 8080 and 443. For example, change it to port 1001.

[Huawei-GigabitEthernet1/0/0] nat server protocol tcp global 1001 inside 80
Updated: 2019-05-10

Document ID: EDOC1000079719

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