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Subscribe to BUGwifi losing connectivity  7 posts, 4 voices , Tagged: WiFi connectivity

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Jun 17, 2010 12:41pm
User_img_not_found_05_med rawksolid 12 posts

Hello all,

I have been using one of our BUGwifi’s to connect to my lab router. I set the ip statically, i.e. 192.168.13.X, and the interface comes up and I can ping, ssh, etc. However, it will drop its connection frequently! Are there any know issues with the wireless driver?

-Patrick

Jun 21, 2010 12:31pm
Medium Bug Labs team jconnolly 285 posts

How do you mean it drops the connection?  Are you using the connection manager gui or /etc/network/interfaces + wpa_supplicant to connect?  If you give me some more information I can probably help.

Jun 22, 2010 1:32pm
User_img_not_found_05_med rawksolid 12 posts

I set everything in our /etc/network/interfaces file under eth1:

 

# Wireless interfaces

iface wlan0 inet dhcp

wireless_mode managed

wireless_essid any

wpa-driver wext

wpa-conf /etc/wpa_supplicant.conf

 

# Wired or wireless interfaces

# Handylink Ethernet or Wifi bugmodule or USB Ethernet

auto eth0

iface eth0 inet dhcp

wireless_mode managed

wireless_essid any

wpa-driver wext

wpa-conf /etc/wpa_supplicant.conf

# Wired or wireless interfaces

# Wifi bugmodule or USB Ethernet

auto eth1

iface eth1 inet static

address 192.168.13.4

netmask 255.255.255.0

broadcast 192.168.13.255

gateway 192.168.13.1

wireless_mode managed

wireless_essid labrouter

wireless-key 374BC2BA6D open

 

I always have to ssh into 10.10.10.10 and ifup/down eth1 to get it working correctly. More than likely, I did it the wrong way.

One new, and undesirable, behavior is the fact that the BUG resets my SSH connection! How do I configure sshd to not kick me out of my connection over wireless interface.

-Patrick

Jun 22, 2010 3:07pm
Medium Bug Labs team jconnolly 285 posts

There’s a known issue likely due to SDIO and write-latency via ssh/scp.  The way that I typically get around it is that I ssh into my BUG, and if I have a file I want scp’d up to my BUG, I scp it “up from BUG” (i.e. scp mylogin@myhost:/path/to/mylargefile . ).  That seems to resolve the issue.  If on the other hand you scp “up from host”, (i.e. scp mylargefile root@bug:/home/root) you’ll get a connection drop.

One other way to ensure that eth1 comes up properly for you is to write an init script to do it:

example:

vi /etc/init.d/myscript:

 

#!/bin/sh ifconfig eth1 192.168.0.10 netmask 255.255.255.0 route add default gw 192.168.0.1 echo "nameserver 192.168.0.1" > /etc/resolv.conf wpa_supplicant /etc/mysupplicant.conf &

 

 

then:

chmod 777 /etc/init.d/myscript 

then:

ln -s /etc/init.d/myscript /etc/rc5.d/S99myscript 

 

Aug 14, 2012 1:55am
User_img_not_found_06_med rubing 103 posts

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