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Re: still don't understand wireless



* Emma Jane Hogbin (emmajane@xtrinsic.com) [030411 22:52]:
> Can anyone explain how this is possible? Apparently I'm not connected to
> the internet and yet I can ping an outside server AND the router logs see
> me collecting mail...it might make more sense if an old lease was being
> used, but the program *says* they're all expired.
> 
> ifdown eth0
> ifup eth0
> Internet Software Consortium DHCP Client 2.0pl5
> Copyright 1995, 1996, 1997, 1998, 1999 The Internet Software Consortium.
> All rights reserved.
> 
> Please contribute if you find this software useful.
> For info, please visit http://www.isc.org/dhcp-contrib.html
> 
> Listening on LPF/eth0/00:00:e2:8d:22:8b
> Sending on   LPF/eth0/00:00:e2:8d:22:8b
> Sending on   Socket/fallback/fallback-net
> DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 8
> receive_packet failed on eth0: Network is down
> DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 13
> DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 18
> DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 11
> DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 11
> No DHCPOFFERS received.
> No working leases in persistent database.
> 
> Sleeping.

Your wireless is eth0?  Mine is wlan0.

> 
> debian:/usr/src/modules/alsa-driver# ping www.samurai.com
> PING home.samurai.com (205.207.28.66): 56 data bytes
> 64 bytes from 205.207.28.66: icmp_seq=0 ttl=53 time=1305.9 ms
> 64 bytes from 205.207.28.66: icmp_seq=1 ttl=53 time=1083.3 ms
> 64 bytes from 205.207.28.66: icmp_seq=2 ttl=53 time=2041.8 ms
> 64 bytes from 205.207.28.66: icmp_seq=3 ttl=53 time=1558.1 ms
> 64 bytes from 205.207.28.66: icmp_seq=4 ttl=53 time=1329.3 ms
> 
> --- home.samurai.com ping statistics ---
> 7 packets transmitted, 5 packets received, 28% packet loss
> round-trip min/avg/max = 1083.3/1463.6/2041.8 ms

So maybe eth0 is down but wlan0 is up and running fine?  What does
ifconfig say?  or 'ip addr'?  route (or 'netstat -r', or 'ip route')?
(Checking the route will tell you which interface your default route is
using.)

good times,
Vineet
-- 
http://www.doorstop.net/
-- 
"Great spirits have always found violent opposition from mediocre minds. The
latter cannot understand it when a man does not thoughtlessly submit to
hereditary prejudices but honestly and courageously uses his intelligence."
-- Albert Einstein

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