[USRP-users] cannot ping

seah chong seahchong12 at gmail.com
Tue Oct 3 00:50:40 EDT 2017


sorry about that, the coverage networking is weak. IP Address PC A is
192.168.10.1 netmask 255.255.255.0. what i means with Omnidirectional is
actually the communication between the USRP  is propagate within the circle.

On Fri, Sep 29, 2017 at 11:31 AM, seah chong <seahchong12 at gmail.com> wrote:

> hi
> the computer connected to the device of USRP N210 using Communication
> System Toolbox Support Packages. the device  connected using the ethernet
> Cable. The first and second  USRP will communicate within omnidirectional.
>
>
>
>
>
>
>
>
>
> *>> findsdruChecking radio connections...ans =      Platform:
> 'N200/N210/USRP2'    IPAddress: '192.168.10.2'    SerialNum: 'F5E4FF'*
> *       Status: 'Success'*
>
> Both USRP N210 are successfully connected to the PC but unable
> to communicate to each other.
> I also try ip route get
>
>
>
>
> *root at seah-Precision-T1700:~# ip route get 192.168.20.2192.168.20.2 via
> 20.20.20.20 dev wlan1  src 20.20.20.103     cache
> root at seah-Precision-T1700:~# ip route add 192.168.20.2 via 20.20.20.20*
>
>
>
>
>
>
>
>
> *root at seah-Precision-T1700:~# route -nKernel IP routing
> tableDestination     Gateway         Genmask         Flags Metric Ref
> Use Iface0.0.0.0         20.20.20.20     0.0.0.0         UG    0
> 0        0 wlan120.20.20.0      0.0.0.0         255.255.255.0   U
> 9      0        0 wlan1192.168.10.0    0.0.0.0         255.255.255.0
> U     0      0        0 eth0192.168.20.2    20.20.20.20     255.255.255.255
> UGH   0      0        0 wlan1*
>
>
>
>
>
>
>
>
>
> *root at seah-Precision-T1700:~# ping 192.168.20.2PING 192.168.20.2
> (192.168.20.2) 56(84) bytes of data.^C--- 192.168.20.2 ping statistics
> ---17 packets transmitted, 0 received, 100% packet loss, time
> 16128msroot at seah-Precision-T1700:~# ping 20.20.20.20PING 20.20.20.20
> (20.20.20.20) 56(84) bytes of data.64 bytes from **20.20.20.20*
> <http://20.20.20.20/>
> *: icmp_seq=1 ttl=64 time=149 ms64 bytes from **20.20.20.20*
> <http://20.20.20.20/>
> *: icmp_seq=3 ttl=64 time=160 ms64 bytes from **20.20.20.20*
> <http://20.20.20.20/>
>
>
>
> *: icmp_seq=4 ttl=64 time=0.899 ms^C--- 20.20.20.20 ping statistics ---4
> packets transmitted, 3 received, 25% packet loss, time 3002msrtt
> min/avg/max/mdev = 0.899/103.625/160.323/72.769 ms*
>
>
> * I attach figure  how the computer connected. I hope someone can
> enlighten me and can give me the solutions.*
>
> Regards,
>
> ChongSeah
>
>
>
> <https://mail.google.com/mail/?ui=2&ik=3bd8e0bae3&view=att&th=15ecbad4df75fc18&attid=0.1&disp=safe&realattid=f_j85c79vy0&zw>
>
> On Wed, Sep 27, 2017 at 1:30 PM, seah chong <seahchong12 at gmail.com> wrote:
>
>> hi
>> the computer connected to the device of USRP N210 using Communication
>> System Toolbox Support Packages. the device  connected using the ethernet
>> Cable. The first and second  USRP will communicate within omnidirectional.
>>
>>
>>
>>
>>
>>
>>
>>
>>
>> *>> findsdruChecking radio connections...ans =      Platform:
>> 'N200/N210/USRP2'    IPAddress: '192.168.10.2'    SerialNum: 'F5E4FF'*
>> *       Status: 'Success'*
>>
>> Both USRP N210 are successfully connected to the PC but unable
>> to communicate to each other.
>>
>>
>>
>> *I hope someone can enlighten me and can give me the solutions.*
>>
>> Regards,
>>
>> ChongSeah
>>
>>
>> On Tue, Sep 26, 2017 at 9:14 PM, Leandro Echevarría <
>> leoechevarria at gmail.com> wrote:
>>
>>> Hello ChongSeah,
>>>
>>> Can you explain a little more about what your network configuration
>>> looks like? Maybe a drawing of all the network interfaces with their
>>> respective IPs and subnet masks may help us understand the problem better.
>>>
>>> How are the computers connected? And how are the N210s connected to them?
>>>
>>> Regards,
>>>
>>> Leo.
>>>
>>> On Tue, Sep 26, 2017 at 6:00 AM seah chong via USRP-users <
>>> usrp-users at lists.ettus.com> wrote:
>>>
>>>> hi all,
>>>>
>>>> i have two Pc with device USRP N210. At PC A the IP address
>>>> "192.168.10.1 netmask 255.255.255.0 and at PC B  the IP address
>>>> "192.168.20.1 netmask 255.255.255.0.
>>>> i also route add at the PC A using ip route add 192.168.20.0/24 via
>>>> 192.168.10.2 and at the PC B using ip route add 192.168.10.0/24 via
>>>> 192.168.20.2.But i cannot ping to PC B and same too goes to PC A.
>>>>
>>>>
>>>> the error comes out like below
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> *root at seah-Precision-T1700:~# ping 192.168.20.2PING 192.168.20.2
>>>> (192.168.20.2) 56(84) bytes of data.^C--- 192.168.20.2 ping statistics ---3
>>>> packets transmitted, 0 received, 100% packet loss, time 2016ms*
>>>>
>>>> I hope someone can enlighten me and can give me the solutions.
>>>>
>>>> Regards,
>>>>
>>>> ChongSeah
>>>>
>>>> _______________________________________________
>>>> USRP-users mailing list
>>>> USRP-users at lists.ettus.com
>>>> http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com
>>>>
>>>
>>
>
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