Thread: After ubuntu upgrade, no internet connection via wlan

hallo,

after upgrading ubuntu 12.12.04 network manager shows connected wlan, internet doesn't work, can't ping outsinde , cannot reach wlan router's homepage.

lshw -c network , iwconfig give following output:

martin@martef:~$ sudo lshw -c network
[sudo] password martin:
*-network
description: ethernet interface
product: 82566mm gigabit network connection
vendor: intel corporation
physical id: 19
bus info: pci@0000:00:19.0
logical name: eth0
version: 03
serial: 00:21:86:52:2c:8c
capacity: 1gbit/s
width: 32 bits
clock: 33mhz
capabilities: pm msi bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=e1000e driverversion=1.5.1-k firmware=0.3-0 latency=0 link=no multicast=yes port=twisted pair
resources: irq:47 memory:fe200000-fe21ffff memory:fe225000-fe225fff ioport:1840(size=32)
*-network
description: wireless interface
product: pro/wireless 4965 ag or agn [kedron] network connection
vendor: intel corporation
physical id: 0
bus info: pci@0000:03:00.0
logical name: wlan0
version: 61
serial: 00:1f:3b:ad:7d:69
width: 64 bits
clock: 33mhz
capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=iwl4965 driverversion=3.2.0-31-generic firmware=228.61.2.24 ip=192.168.1.34 latency=0 link=yes multicast=yes wireless=ieee 802.11abgn
resources: irq:48 memory:df2fe000-df2fffff
martin@martef:~$ iwconfig
lo no wireless extensions.

wlan0 ieee 802.11abgn essid:"mainstation"
mode:managed frequency:2.412 ghz access point: 00:13:49:e0:1be
bit rate=1 mb/s tx-power=15 dbm
retry long limit:7 rts thrff fragment thrff
power managementff
link quality=69/70 signal level=-41 dbm
rx invalid nwid:0 rx invalid crypt:0 rx invalid frag:0
tx excessive retries:0 invalid misc:23 missed beacon:0

eth0 no wireless extensions.

don't know do. can help?

hi ,

consider maybe connection (router) problem , not ubuntu. reboot router , see.

give results of

code:

cat /etc/network/interfaces cat /etc/resolv.conf nmcli nm status  lspci -nnk | grep -ia2 net

click on "new reply" , put results inside [code] tags easier read. see here how

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