NC51xx PCIe 10 Gigabit Server Adapter Software and Configuration Guide

Troubleshooting 31
Kernel messages
To look for error messages occurred from the kernel, execute the following.
dmesg
cat /var/log/messages
Miscellaneous troubleshooting tasks
To look for routing table, gateway, or IP Address conflicts for all interfaces execute the following.
route
To verify network interface TX and RX counts during pings, execute the following.
ifconfig <network interface>
Use ethereal, tethereal, nospace, or tcpdump utilities to capture packets then analyze the ping packets.
Unable to ping the network adapter installed on a
Linux host
Problem:
Unable to ping the network adapter installed on a Linux host
Possible solutions:
• Type lspci -v and look for vendor ID ‘4040’. Verify that the network adapter is visible on the PCI bus.
• Verify that the network adapter is placed in the PCIe x8 slot.