[xubuntu-users] networking

[Bill]

On 04/01/2013 02:43 AM, Nils Kassube wrote:
> Bill wrote:
>> On 03/31/2013 05:26 PM, Nils Kassube wrote:
>>> Bill wrote:
>>>> I have a home network consisting of a desktop, laptop and dsl
>>>> modem/router. I'm running xubuntu 12.04 on both computers (Linux
>>>> xxxx-xxx-xxxxx 3.2.0-39-generic-pae #62-Ubuntu SMP Wed Feb 27
>>>> 22:25:11 UTC 2013 i686 i686 i386 GNU/Linux). Everything worked
>>>> without a flaw until I had to reset the router following an isp
>>>> (CenturyLink) problem.
>>>>
>>>> Now I can connect to the internet, and ping the gateway from both
>>>> computers, but can not ssh or rsync or ping from one computer to
>>>> the
>>>> other. (However, I can telnet to port 22.) Attempts to connect
>>>> yield
>>>> "Destination Host Unreachable". So far as I can tell, all software
>>>> and hardware necessary to doing so are installed and working
>>>> properly.>
>>> Are you using IP addresses or machine names when you try to ping,
>>> ssh, etc.? How do the machines get their IP addresses? Do you use
>>> manual address setup or DHCP? If it is DHCP, the router may have
>>> decided to hand out different addresses than in the past after the
>>> reset.
>> IP addresses (i.e., 192.168.2.2, etc.), which are not manually
>> assigned, so I assume DHCP.
>
> If the addresses are not set manually, you are obviously using DHCP.
> Please check the IP addresses of the machines again with ifconfig. If
> the desktop had e.g. 192.168.2.2 in the past and now it is 192.168.2.7,
> you can't connect to it from the laptop using the old address. However
> you can reach other machines on the internet from both machines.
>
>
> Nils

Output of ifconfig:
eth0      Link encap:Ethernet  HWaddr 00:23:ae:11:63:03
           UP BROADCAST MULTICAST  MTU:1500  Metric:1
           RX packets:4331 errors:0 dropped:0 overruns:0 frame:0
           TX packets:3781 errors:0 dropped:0 overruns:0 carrier:0
           collisions:0 txqueuelen:1000
           RX bytes:4696242 (4.6 MB)  TX bytes:483664 (483.6 KB)
           Interrupt:16

lo        Link encap:Local Loopback
           inet addr:127.0.0.1  Mask:255.0.0.0
           inet6 addr: ::1/128 Scope:Host
           UP LOOPBACK RUNNING  MTU:16436  Metric:1
           RX packets:10051 errors:0 dropped:0 overruns:0 frame:0
           TX packets:10051 errors:0 dropped:0 overruns:0 carrier:0
           collisions:0 txqueuelen:0
           RX bytes:1199695 (1.1 MB)  TX bytes:1199695 (1.1 MB)

wlan0     Link encap:Ethernet  HWaddr 00:1f:3c:d2:77:76
           inet addr:192.168.2.3  Bcast:192.168.2.255  Mask:255.255.255.0
           inet6 addr: fe80::21f:3cff:fed2:7776/64 Scope:Link
           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
           RX packets:48383 errors:0 dropped:0 overruns:0 frame:0
           TX packets:44707 errors:0 dropped:0 overruns:0 carrier:0
           collisions:0 txqueuelen:1000
           RX bytes:36218761 (36.2 MB)  TX bytes:6055175 (6.0 MB)

Thanks.

--
Regards,
Bill