ORBIT-USER: wireless interface setup problems
Sumathi Gopal
sumathi at winlab.rutgers.edu
Mon Feb 26 11:46:15 EST 2007
Hi shyam,
It could be about subnets... You have IP addresses in different subnets.
Try using the same subnet for both nodes (such as 10.10.1.102 and
10.10.1.12) .
Otherwise set up static routes in the nodes, and disable ARP.
Sumathi
Shanmuga S Anandaraman wrote:
> hi all,
>
> After doing proper configurations,sometimes i find that the packets
> don't get across the nodes through wireless interface.I just try to
> check if ping works and that fails. I have attached the nodes'
> iwconfig and ifconfig to look into if i haven't configured
> something.Many of the times the configuration works, but i am
> wondering why does it fail at times ?? Has any one come across such
> situation...any suggestions is welcome!!
> node10-2:~# iwconfig ath0
> ath0 IEEE 802.11a ESSID:"test"
> Mode:Managed Frequency:5.18 GHz Access Point:
> 00:60:B3:AC:2B:DE
> Bit Rate=54 Mb/s Tx-Power:18 dBm Sensitivity=0/3
> Retry:off RTS thr:off Fragment thr:off
> Encryption key:off
> Power Management:off
> Link Quality=41/94 Signal level=-54 dBm Noise level=-95 dBm
> Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
> Tx excessive retries:0 Invalid misc:0 Missed beacon:0
>
> node10-2:~# ifconfig ath0
> ath0 Link encap:Ethernet HWaddr 00:60:B3:AC:A1:C1
> inet addr:10.30.10.2 Bcast:10.255.255.255 Mask:255.255.0.0
> UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
> RX packets:0 errors:0 dropped:0 overruns:0 frame:0
> TX packets:9 errors:0 dropped:0 overruns:0 carrier:0
> collisions:0 txqueuelen:200
> RX bytes:0 (0.0 b) TX bytes:378 (378.0 b)
> Interrupt:7 Memory:de940000-de950000
>
> node10-2:~# ping 10.30.1.2
> PING 10.30.1.2 (10.30.1.2): 56 data bytes
>
>
> --- 10.30.1.2 ping statistics ---
> 197 packets transmitted, 0 packets received, 100% packet loss
> node10-2:~#
>
>
>
> node1-2:~# iwconfig ath0
> ath0 IEEE 802.11a ESSID:"test"
> Mode:Master Frequency:5.18 GHz Access Point:
> 00:60:B3:AC:2B:DE
> Bit Rate=54 Mb/s Tx-Power:18 dBm Sensitivity=0/3
> Retry:off RTS thr:off Fragment thr:off
> Encryption key:off
> Power Management:off
> Link Quality=48/94 Signal level=-47 dBm Noise level=-95 dBm
> Rx invalid nwid:28 Rx invalid crypt:0 Rx invalid frag:0
> Tx excessive retries:1 Invalid misc:1 Missed beacon:0
>
> node1-2:~# ifconfig ath0
> ath0 Link encap:Ethernet HWaddr 00:60:B3:AC:2B:DE
> inet addr:10.30.1.2 Bcast:10.255.255.255 Mask:255.255.0.0
> UP BROADCAST MULTICAST MTU:1500 Metric:1
> RX packets:185 errors:974 dropped:0 overruns:0 frame:974
> TX packets:0 errors:1 dropped:0 overruns:0 carrier:0
> collisions:0 txqueuelen:200
> RX bytes:8800 (8.5 KiB) TX bytes:0 (0.0 b)
> Interrupt:7 Memory:de940000-de950000
>
> node1-2:~# ping 10.30.10.2
> PING 10.30.10.2 (10.30.10.2): 56 data bytes
>
> --- 10.30.10.2 ping statistics ---
> 12 packets transmitted, 0 packets received, 100% packet loss
> node1-2:~#
>
> Thanks
> Shanmuga(shyam)
More information about the orbit-user
mailing list