Ubuntu禁用ipv6 ( Disable IPv6 If your Internet is Working Slow in Ubuntu)

iteye_5904

于 2012-07-03 03:25:33 发布

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本文介绍如何通过禁用IPv6来提高Ubuntu及Linux Mint系统的网络速度。操作包括编辑sysctl.conf文件并重启设置，适用于Ubuntu 12.04及Linux Mint 13等版本。

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Disable IPv6 If your internet is working Slow in Ubuntu 12.04 Precise Pangolin/Linux Mint 13/Any Ubuntu or Mint Version

Follow this to Disable IPv6, So we have to edit the sysctl.conf file.

To do this open Terminal (Press Ctrl+Alt+T) and copy the following commands in the Terminal:

sudo gedit /etc/sysctl.conf

Now add these lines at the end of file:

# IPv6
net.ipv6.conf.all.disable_ipv6 = 1
net.ipv6.conf.default.disable_ipv6 = 1
net.ipv6.conf.lo.disable_ipv6 = 1

Now Save sysctl.conf file and close.

Enter following command to restart sysctrl settings:

sudo sysctl -p

Check IPv6 is disabled on Ubuntu Server

root@ip-10-48-234-13:/# ip addr
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000
link/ether 12:31:3c:03:e9:fb brd ff:ff:ff:ff:ff:ff
inet 10.48.234.13/23 brd 10.48.235.255 scope global eth0
root@ip-10-48-234-13:/#

That's it, Enjoy

from: http://www.noobslab.com/2012/05/disable-ipv6-if-your-internet-is.html