looks like some router and adapter uncompability. router zyxel P-2812HNU-F3 http://www.zyxel.com/no/no/products_services/p_2812hnu_fx_series.shtml?t=p
and statement in router wireless specifications "Backward compatible to 802.11b/g" is not 100% correct ... adapter lsusb: Bus 001 Device 003: ID 0846:4260 NetGear, Inc. WG111v3 54 Mbps Wireless [realtek RTL8187B] Symptoms: ping to router ping 10.0.0.138 PING 10.0.0.138 (10.0.0.138) 56(84) bytes of data. ^C --- 10.0.0.138 ping statistics --- 26 packets transmitted, 0 received, 100% packet loss, time 25000ms uname -na : Linux irmute 3.11.0-2-lowlatency #1-Ubuntu SMP PREEMPT Fri Aug 16 22:06:58 UTC 2013 i686 i686 i686 GNU/Linux modprobe --show-depends rtl8187: insmod /lib/modules/3.11.0-2-lowlatency/kernel/drivers/misc/eeprom/eeprom_93cx6.ko insmod /lib/modules/3.11.0-2-lowlatency/kernel/net/wireless/cfg80211.ko insmod /lib/modules/3.11.0-2-lowlatency/kernel/net/mac80211/mac80211.ko insmod /lib/modules/3.11.0-2-lowlatency/kernel/drivers/net/wireless/rtl818x/rtl8187/rtl8187.ko iwconfig wlan1: wlan1 IEEE 802.11bg ESSID:"XXXXXXXXXX" Mode:Managed Frequency:2.412 GHz Access Point: CC:5D:4E:1B:46:44 Bit Rate=1 Mb/s Tx-Power=20 dBm Retry long limit:7 RTS thr:off Fragment thr:off Power Management:off Link Quality=39/70 Signal level=-71 dBm Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0 Tx excessive retries:1 Invalid misc:0 Missed beacon:0 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/802902 Title: Realtek rtl8187b wireless chipset slow speed To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/802902/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs