Why the interface of Mellanox card gets renamed to 'ethX-ethY' during boot ?
Issue
- After system boot interface is seen with name as
ethX-ethY
inifconfig
output. - Below is the Mellanox card which shows this behaviour.
15:00.0 Ethernet controller: Mellanox Technologies MT26448 [ConnectX EN 10GigE, PCIe 2.0 5GT/s] (rev b0)
- Below is the
ifconfig
output:
eth4-eth3 Link encap:Ethernet HWaddr 90:E2:BA:XX:XX:XX
BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)
Memory:97d00000-97d80000
- Below is the log seen in
dmesg
:
Nov 12 18:13:46 HOSTNAME kernel: udev: renamed network interface eth4 to eth4-eth3
Environment
- Red Hat Enterprise Linux 6.1
- Mellanox NIC Cards.
Subscriber exclusive content
A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.