Communication Issues in the Cisco C9516 ACI
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10-12-2024
06:59 AM
- last edited on
10-12-2024
07:03 AM
by
Yanli Sun
Device Version: /bootflash/aci-n9000-dk9.14.2.7g.bin
Device Model: Cisco C9516
Problem description:
As shown in the figure below, A cannot access B(any protocol), and after logging in to B and initiating a request from B to A(any protocol, we are pinging), both ends can communicate normally
When the ping fails, the leaf switches connected to A and B can learn the LOCAL endpoint information, and the coop table entries on the four spine switches are normal. The endpoint information of A and B can be found on the APIC controller.
Please help analyze the causes and solutions to the problem, thank you!
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Cisco ACI
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11-17-2024 08:40 PM
Can you please draw diagram for a better understanding?
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11-17-2024 08:42 PM
Can you please draw diagram for a better understanding?

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10-31-2024 07:24 AM
Hello, there is no firewall in the middle path. When B initiates to ping server A, server A can also ping server B.
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10-31-2024 07:25 AM
Hello, there is no firewall in the middle path. When B initiates to ping server A, server A can also ping server B.
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10-31-2024 07:26 AM
Hello, there is no firewall in the middle path. When B initiates to ping server A, server A can also ping server B. Can you tell me why? Thanks!

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