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Troubleshooting

NXOS Troubleshooting

Ethanalyzer

  • Capture control plane/CPU-bound traffic, not packets that are being switched or routed in hardware

  • Capture DNS packet and write to flash: ethernalyzer local interface vlan vlan58 vrf Guest capture-filter "udp port 53" write bootflash:dns.pcap

  • Read the capture locally: ethanalyzer local read bootflash:dns.pcap

Reference

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