Data link protocol problem

Hello ALL,

I am using Ubuntu-10.04 and the latest gnuradio downloaded via git. UHD
has
been installed. However, I get ‘Destination Host Unreachable’ when ping
192.168.10.2

$ sudo ifconfig eth0 192.168.10.1
$ ping 192.168.10.2
PING 192.168.10.2 (192.168.10.2) 56(84) bytes of data.
From 192.168.10.1 icmp_seq=2 Destination Host Unreachable
From 192.168.10.1 icmp_seq=3 Destination Host Unreachable
From 192.168.10.1 icmp_seq=4 Destination Host Unreachable

I found that the data link protocol on my laptop doesn’t include Gigabit
Ethernet (Data Link Protocol IEEE 802.11n, Ethernet, IEEE 802.11b, Fast
Ethernet). So can I still use USRP-N210 on this laptop? If I can, how to
solve this issue?

Thanks in advance,
Brook

View this message in context:
http://old.nabble.com/Data-link-protocol-problem-tp31414516p31414516.html
Sent from the GnuRadio mailing list archive at Nabble.com.

On 04/16/2011 12:21 PM, Brook L. wrote:

From 192.168.10.1 icmp_seq=2 Destination Host Unreachable
From 192.168.10.1 icmp_seq=3 Destination Host Unreachable
From 192.168.10.1 icmp_seq=4 Destination Host Unreachable

I found that the data link protocol on my laptop doesn’t include Gigabit
Ethernet (Data Link Protocol IEEE 802.11n, Ethernet, IEEE 802.11b, Fast
Ethernet). So can I still use USRP-N210 on this laptop? If I can, how to
solve this issue?

“”"
The USRP2 only supports gigabit ethernet, and will not work with a
10/100 Mbps interface. However, a 10/100 Mbps interface can be connected
indirectly to a USRP2 through a gigabit ethernet switch.
“”"
http://www.ettus.com/uhd_docs/manual/html/usrp2.html#setup-networking

-josh

On 04/16/2011 03:21 PM, Brook L. wrote:

From 192.168.10.1 icmp_seq=3 Destination Host Unreachable
From 192.168.10.1 icmp_seq=4 Destination Host Unreachable

I found that the data link protocol on my laptop doesn’t include Gigabit
Ethernet (Data Link Protocol IEEE 802.11n, Ethernet, IEEE 802.11b, Fast
Ethernet). So can I still use USRP-N210 on this laptop? If I can, how to
solve this issue?

Thanks in advance,
Brook

You’ll need either a 1GiGe interface on whatever computer you use, or
you could do a “translation”,
and use a 1GiGe Ethernet switch between your laptop and the N210. But
you’ll only be able to sustain
very low bandwidths using that approach–a couple of Msps at most.


Principal Investigator
Shirleys Bay Radio Astronomy Consortium
http://www.sbrac.org

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