SSH connection problem

[Zhengguo Xu]

2008/9/11 Dustin Breese <dustin.breese at gmail.com>

> Can you give "ifconfig" output from both laptop and desktop?
>

ifconfig of desktop:

eth0      Link encap:Ethernet  HWaddr 00:11:d8:40:66:76
          inet addr:192.168.1.35  Bcast:192.168.1.255  Mask:255.255.255.0
          inet6 addr: fe80::211:d8ff:fe40:6676/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:836 errors:0 dropped:0 overruns:0 frame:0
          TX packets:756 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:722731 (705.7 KB)  TX bytes:187887 (183.4 KB)
          Interrupt:21 Base address:0xe400

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:2179 errors:0 dropped:0 overruns:0 frame:0
          TX packets:2179 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:131320 (128.2 KB)  TX bytes:131320 (128.2 KB)

wlan0     Link encap:Ethernet  HWaddr 00:30:f1:f8:c9:54
          UP BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

wmaster0  Link encap:UNSPEC  HWaddr
00-30-F1-F8-C9-54-00-00-00-00-00-00-00-00-00-00
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

from laptop:

 eth0      Link encap:Ethernet  HWaddr 00:14:22:e0:43:68
          UP BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)
          Interrupt:19

eth1      Link encap:Ethernet  HWaddr 00:13:ce:da:05:f0
          inet addr:192.168.1.36  Bcast:192.168.1.255  Mask:255.255.255.0
          inet6 addr: fe80::213:ceff:feda:5f0/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:59 errors:0 dropped:0 overruns:0 frame:0
          TX packets:93 errors:0 dropped:0 overruns:0 carrier:1
          collisions:0 txqueuelen:1000
          RX bytes:5888059 (5.6 MB)  TX bytes:2216268 (2.1 MB)
          Interrupt:18 Base address:0xe000 Memory:dcffd000-dcffdfff

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:2733 errors:0 dropped:0 overruns:0 frame:0
          TX packets:2733 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:142640 (139.2 KB)  TX bytes:142640 (139.2 KB)



> What does "tracepath 192.168.1.35" (assuming your desktop IP is
> 192.168.1.35 based on ssh output below) give from your laptop and
> desktop?


 yes, the address is of desktop. tracepath 192.168.1.35 from desktop is:

 1:  192.168.1.35 (192.168.1.35)                            0.125ms pmtu
16436
 1:  192.168.1.35 (192.168.1.35)                            0.085ms reached
 1:  192.168.1.35 (192.168.1.35)                            0.090ms reached
     Resume: pmtu 16436 hops 1 back 64

from laptop is:

1:  UbuntuDell.local (192.168.1.36)                        0.127ms pmtu 1500
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     Too many hops: pmtu 1500
     Resume: pmtu 1500



> I'm assuming that your desktop and laptop are sitting on the same LAN
> segment (side-by-side at home?)
>

yes
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