After a fresh netinstall-CD installation, with everything working fine, I rebootet into the new Debian Wheezy 7.1. I am using only wlan to connect to my router, which was no problem at install. Now in the installed system, there is no network. Some checks I did:
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lspci |grep -i net
01:07.0 Ethernet controller: Atheros Communications Inc. AR2413/AR2414 Wireless Network Adapter [AR5005G(S) 802.11bg] (rev 01)
01:0b.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8139/8139C/8139C+ (rev 10)
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modprobe |grep ath5k
ath5k 115240 0
ath 17114 1 ath5k
mac80211 171389 1 ath5k
cfg80211 113445 3 mac80211,ath,ath5k
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ip link set wlan0 up
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iwlist scanning
wlan0 Scan completed :
Cell 01 - Address: 00:22:4K:93:CO:06
Channel:1
Frequency:2.412 GHz (Channel 1)
Quality=59/70 Signal level=-51 dBm
Encryption key:on
ESSID:"Homenet"
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s
Bit Rates:6 Mb/s; 9 Mb/s; 12 Mb/s; 18 Mb/s; 24 Mb/s
36 Mb/s; 48 Mb/s; 54 Mb/s
Mode:Master
Extra:tsf=0000000177a41234
Extra: Last beacon: 560ms ago
IE: Unknown: 0005506C75746F
IE: Unknown: 010482848B96
IE: Unknown: 030101
IE: Unknown: 2A0104
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
IE: Unknown: 32080C1218243048606C
IE: Unknown: DD0A0800280101000200FF0F
IE: Unknown: DD180050F2020101800003A4000027A4000042435E0062322F00
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cat /etc/network/interfaces
auto lo wlan0
iface lo inet loopback
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auto lo wlan0
iface lo inet loopback
# The primary network interface
allow-hotplug wlan0
iface wlan0 inet dhcp
/etc/init.d networking restart