CDC 8300 Port Not Accessible

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This topic has been translated from a Chinese forum by GPT and might contain errors.

Original topic: cdc 8300端口不通

| username: porpoiselxj

[Test Environment for TiDB]
[TiDB Version] V7.1.1
[Encountered Issue: Problem Description and Impact]
In the cdc component with 3 nodes, the 8300 port on two nodes is not accessible, but the cdc component is currently running normally, and the cluster status is also normal. Restarting the cdc component did not resolve the issue.

How should I troubleshoot this problem?

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| username: MrSylar | Original post link

What is the issue being investigated? Why is the port unreachable, or if the port is unreachable, why is the cluster status normal?

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| username: porpoiselxj | Original post link

Oops, thanks for the reply, please ignore.

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| username: system | Original post link

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