When I ping each other, both show "Destination Host Unreachable"

2014-11-19 17:21 GMT+08:00 張景棠 <[email protected]>:

> there is nothing shown on terminals.
>
> My operator:
> BBB1:
> tcpdump -v icmp
> tcpdump -i eth0
> tcpdump -vvv
>
> BBB2:
> ping BBB1's IP
>
> 2014-11-12 22:59 GMT+08:00 Przemek Klosowski <[email protected]>
> :
>
>> Run tcpdump on the network interface, check that the ICMP packet is
>> actually getting out through the interface, and similarly check what does
>> tcpdump see on the receiving system.
>>
>> On Wed, Nov 12, 2014 at 6:09 AM, 張景棠 <[email protected]> wrote:
>>
>>>
>>> I have 2 BBB, following is the setting:
>>> BBB1:
>>>  IP: 172.1.2.1
>>>  Netmask: 255.255.0.0
>>>
>>> BBB2:
>>>  IP: 172.1.3.1
>>>  Netmask: 255.255.0.0
>>>
>>> I connect as BBB - eth0(RJ45) - PLC - PowerLine - PLC - eth0(RJ45) - BBB
>>> This method I can work fine on Beaglebone(White), but BBB cant
>>> work.(Only changed board)
>>> Does anyone has idea? Thanks.
>>>
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>>
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>
>

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