![Ubuntu 14.04 LTS 中 wifi 网速突然下降](https://linux22.com/image/1051849/Ubuntu%2014.04%20LTS%20%E4%B8%AD%20wifi%20%E7%BD%91%E9%80%9F%E7%AA%81%E7%84%B6%E4%B8%8B%E9%99%8D.png)
我的网速突然变慢了,页面打开速度特别慢。
我尝试在互联网上搜索,但没有任何解决方案可行。
一些信息
*-network
description: Ethernet interface
product: 82579LM Gigabit Network Connection
vendor: Intel Corporation
physical id: 19
bus info: pci@0000:00:19.0
logical name: eth0
version: 04
serial: 10:1f:74:f0:64:f7
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=2.3.2-k firmware=0.13-4 latency=0 link=no multicast=yes port=twisted pair
resources: irq:45 memory:d4700000-d471ffff memory:d472a000-d472afff ioport:4060(size=32)
*-network
description: Wireless interface
product: Centrino Advanced-N 6205 [Taylor Peak]
vendor: Intel Corporation
physical id: 0
bus info: pci@0000:24:00.0
logical name: wlan0
version: 34
serial: 08:11:96:5a:1f:e8
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=iwlwifi driverversion=3.16.0-44-generic firmware=18.168.6.1 ip=192.168.0.106 latency=0 link=yes multicast=yes wireless=IEEE 802.11abgn
resources: irq:48 memory:d4400000-d4401fff
我该如何继续?
答案1
看起来此适配器在 802.11n 模式下工作不正常。因此禁用它可以改善连接。** sudo tee /etc/modprobe.d/iwlwifi-opt.conf <<< "options iwlwifi 11n_disable=1"** 您还可以尝试禁用部分 802.11n,而不是全部。可以通过 11n_disable=2、11n_disable=4 或 11n_disable=8 而不是 11n_disable=1 来选择。您可以启用它们,然后逐一删除,以测试哪一个有效。每个新设置都会覆盖前一个设置。