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Slow traffic / traffic latency through RuggedCom Appliance
Symptoms
  • Slow traffic / traffic latency through RuggedCom Appliance.

  • Forcing the involved NIC into "administratively down" ('ifdown ethX' command) state and then "administratively up" ('ifup ethX' command) state temporarily resolves the issue.

Cause

Red Hat Bugzilla - Bug 514589

Debug of Realtek NIC driver R8169 showed: NETDEV WATCHDOG: ethX: transmit timed out


Solution
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