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I have upgraded to 14.04 and am experiencing slow wired ethernet connection.

Windows 7 pc wireless connection receives 8Mbs

Ubuntu 14.04 LTS 1-2Mbs

Only started after upgrade.

Ethernet details:

Result of lspci |grep net

0b:00.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5752 Gigabit Ethernet PCI Express (rev 02)

ifconfig output

ifconfig -a

eth0      Link encap:Ethernet  HWaddr 00:13:72:9d:a6:d2  
          inet addr:192.168.0.8  Bcast:192.168.0.255  Mask:255.255.255.0
          inet6 addr: fe80::213:72ff:fe9d:a6d2/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:39097 errors:0 dropped:0 overruns:0 frame:0
          TX packets:30070 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:32578630 (32.5 MB)  TX bytes:5027191 (5.0 MB)
          Interrupt:16 

lo        Link encap:Local Loopback  
          inet addr:127.0.0.1  Mask:255.0.0.0
          UP LOOPBACK RUNNING  MTU:65536  Metric:1
          RX packets:4505 errors:0 dropped:0 overruns:0 frame:0
          TX packets:4505 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0 
          RX bytes:478645 (478.6 KB)  TX bytes:478645 (478.6 KB)

ping -c10 8.8.8.8

PING 8.8.8.8 (8.8.8.8) 56(84) bytes of data.
64 bytes from 8.8.8.8: icmp_seq=1 ttl=48 time=31.4 ms
64 bytes from 8.8.8.8: icmp_seq=2 ttl=48 time=38.4 ms
64 bytes from 8.8.8.8: icmp_seq=3 ttl=48 time=33.4 ms
64 bytes from 8.8.8.8: icmp_seq=4 ttl=48 time=31.5 ms
64 bytes from 8.8.8.8: icmp_seq=5 ttl=48 time=36.5 ms
64 bytes from 8.8.8.8: icmp_seq=6 ttl=48 time=35.7 ms
64 bytes from 8.8.8.8: icmp_seq=7 ttl=48 time=33.3 ms
64 bytes from 8.8.8.8: icmp_seq=8 ttl=48 time=29.9 ms
--- 8.8.8.8 ping statistics ---
8 packets transmitted, 8 received, 0% packet loss, time 7008ms
rtt min/avg/max/mdev = 29.945/33.807/38.457/2.717 ms

wget --output-document=/dev/null http://speedtest.wdc01.softlayer.com/downloads/test500.zip

--2014-10-20 21:11:31--  http://speedtest.wdc01.softlayer.com/downloads/test500.zip
Resolving speedtest.wdc01.softlayer.com (speedtest.wdc01.softlayer.com)... 208.43.102.250
Connecting to speedtest.wdc01.softlayer.com (speedtest.wdc01.softlayer.com)|208.43.102.250|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 524288000 (500M) [application/zip]
Saving to: ‘/dev/null’

1% [=>                                                 ] 6,721,792    152KB/s  eta 34m 39s
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  • Maybe it's just your internet connection that's slow. Do you have another device in the wired local network that you can use to benchmark network or internet speed? Oct 21, 2014 at 0:38

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