sarvani kare wrote:

> Inadverdently I have given the following command as root
>
> ifconfig -a 1
>
> by doing so, I think the network card went down. So Please suggest me
> how to bring it up again
>
> I was trying
>
> ifconfig hme0 up
>
> but its giving me the following error
>
> "SIOCSLIFFLAGS cannot assign requested address"

You've set the IP address of all interfaces to 0.0.0.1, so to fix it
a) reboot the system, or
b) do
ifconfig hme0 <its_ip_address> netmask + broadcast +
and if that does not work,
c) reboot the system

John Howells