Destination Host Unreachable


I am using Ubuntu 10.04 and installing the latest gnuradio download via
clone To enable USRPN210+WBX, I
follow the steps
to build and install the UHD.

However, before I load the firmware and image, it says “Destination Host
Unreachable” when “ifconfig eth0”.

sudo ifconfig eth0
PING ( 56(84) bytes of data.
From icmp_seq=1 Destination Host Unreachable
From icmp_seq=2 Destination Host Unreachable
From icmp_seq=3 Destination Host Unreachable

Hence, I cannot burn the firmware and fpga image. I also tried to
the firewall by sudo ufw disable, but it doesn’t help. I also tried

sudo route add -net dev eth1
sudo route -n
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use
Iface U 0 0 0
eth1 U 0 0 0
eth0 U 0 0 0
eth0 U 2 0 0
eth1 U 1000 0 0
eth1 UG 0 0 0

Can anyone give me any advice?

Thanks in advance,

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