Hi Smitha,
first of: please try changing the MAC of the adapter, not of the virtual
interface (btw: are you sure, that you really intend to have a physical
and a virtual interface that have the same configurations and the same
metric?).
second: guess your copy+pasted log shows: that you concatenated
"ifconfig eth0.246 up" to the actual MAC address change command by
accident. Please try again, without these additional (surely non
working) parameters.
Regards,
lorenz
On 1/2/2012 12:24 PM, smitha.va...@wipro.com wrote:
Hi Scott,
When I execute below statements in linux to change the mac address I get the
error Host name look up error.
Below are the commands I execute to change the mac address and the console
output.
1. ifconfig eth0.246 down
2. ifconfig eth0.246 hw ether 00:11:22:33:44:55
ifconfig: hw: Host name lookup failure
sh-3.1# ifconfig
eth0 Link encap:Ethernet HWaddr 00:E0:EE:00:05:2E
inet addr:172.16.52.20 Bcast:172.16.53.255 Mask:255.255.254.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:999 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:93661 (91.4 KiB) TX bytes:0 (0.0 B)
eth0.246 Link encap:Ethernet HWaddr 00:E0:EE:00:05:2E
inet addr:172.16.52.20 Bcast:172.16.53.255 Mask:255.255.254.0
UP BROADCAST RUNNING 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:0
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:4 errors:0 dropped:0 overruns:0 frame:0
TX packets:4 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:248 (248.0 B) TX bytes:248 (248.0 B)
sh-3.1# ifconfig eth0.246 down
sh-3.1# ifconfig
eth0 Link encap:Ethernet HWaddr 00:E0:EE:00:05:2E
inet addr:172.16.52.20 Bcast:172.16.53.255 Mask:255.255.254.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:1005 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:94205 (91.9 KiB) TX bytes:0 (0.0 B)
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:4 errors:0 dropped:0 overruns:0 frame:0
TX packets:4 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:248 (248.0 B) TX bytes:248 (248.0 B)
sh-3.1# ifconfig eth0.246 hw ether 00:11:22:33:44:55 ifconfig eth0.246 up
ifconfig: hw: Host name lookup failure
sh-3.1#
Regards,
Smitha
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