The IPV6 program is banned under Ubuntu

Disabling IPV6-Scenario 1

Edit File-/etc/sysctl.conf

1. $ sudo gedit / etc / Sysctl . conf

Add the following line at the end of the file.

2. # IPV6 Disabled

4. Net . IPv6 . conf . All . Disable_ipv6 = 1

6. Net . IPv6 . conf . default . Disable_ipv6 = 1

8. Net . IPv6 . conf . Lo . Disable_ipv6 = 1

Save and close

Restart Sysctl

1. $ sudo sysctl - P

Check the output of ifconfig again, there should be no IPv6 address.

2. $ ifconfig

4. eth0 Link EnCap : Ethernet HWaddr , : xx : - : 5f : - : 8b

6. inet Addr : 192.168 . 1.3 Bcast : 192.168 . 1.255 Mask : 255.255 . 255.0

8. Up broadcast RUNNING multicast MTU : the Metric : 1

10. RX Packets : 1346 Errors : 0 dropped : 0 Overruns : 0 Frame : 0

12. TX Packets : 965 Errors : 0 dropped : 0 Overruns : 0 Carrier : 0

14. Collisions : 0 Txqueuelen : +

16. RX bytes : 1501691 (1.5 MB) TX bytes : 104883 (104.8 KB)

If not, try restarting the system and checking ifconfig again

disabling Ipv6-grub Scenarios

IPV6 can also be disabled by editing the Grub configuration file.

1. $ sudo gedit / etc / default / Grub

Look for lines that contain "GRUBcmdlineLINUX" and edit as follows:

1. Grub_cmdline_linux = "Ipv6.disable=1"

You can also add a variable named "GRUBcmdlineLinux_default", which is also useful. Save and close the file to regenerate the grub configuration.

1. $ sudo update - GRUB2

Reboot, now IPV6 should have been disabled.

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The IPV6 program is banned under Ubuntu