Troubleshooting Cisco Data Center Infrastructure: Cisco Nexus Switch Packet Loss Resolution

Resolve Packet Loss on Cisco Nexus Switch Ports

Question

The Cisco Nexus switch is connected to a peer switch that is not running Cisco NX-OS.

The switches are connected using port channel and are experiencing packet loss.

Which action should be performed on the Cisco Nexus switch ports to resolve this issue?

Answers

Explanations

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A. B. C. D.

C.

The issue mentioned in the question occurs when two switches are connected using a port channel, but they are not running the same Link Aggregation Control Protocol (LACP) configuration. The Cisco Nexus switch is running Cisco NX-OS, but the peer switch is not running the same protocol.

To resolve this issue, we need to ensure that both switches have the same LACP configuration. Option A suggests turning on the "lacp suspend-individual" feature, which would cause the Nexus switch to suspend individual ports that are not configured with LACP. This would not resolve the issue because it does not address the fact that the peer switch is not running the same LACP protocol.

Option B suggests turning on the "lacp graceful-convergence" feature, which allows for a smooth transition to a new LACP configuration. This feature would not resolve the issue because it requires both switches to be running the same LACP configuration in the first place.

Option C suggests turning off the "lacp graceful-convergence" feature. This may help in some cases, but it does not address the root cause of the issue, which is the difference in LACP configuration between the switches.

Option D suggests turning off the "lacp suspend-individual" feature. This may help in some cases, but it does not address the root cause of the issue.

In conclusion, none of the options provided in the question would resolve the issue. To resolve the issue, we need to ensure that both switches are running the same LACP configuration. This may require configuring the peer switch to use the same LACP protocol as the Cisco Nexus switch.