Red Hat Bugzilla – Bug 1255598
IPv6 disabled by default when control-center creates a new WWAN connection
Last modified: 2016-12-20 09:26:56 EST
Description of problem:
When creating a new WWAN connection using the network management menu in the top-right corner of the GNOME GUI (not sure exactly what it's called specifically), the newly created connection profile has the IPv6 method set to "ignore". This obviously breaks IPv6 connectivity, and causes the overall connection to fail.
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1. Ensure you don't have any pre-existing WWAN connection profiles
2. Plug in a modem with working SIM card
3. Ensure Mobile Broadband is enabled
4. Select the option to connect to mobile broadband from the GNOME menu
5. Complete the wizard
The resulting new connection profile config file in /etc/NetworkManager/system-connections/ contains:
If the operator/apn in question is ipv6-only, total failure to connect.
The file should have contained:
Connection should succeed even if operator/apn is ipv6-only.
If you instead create the new WWAN connection using nm-connection-editor, the IPv6 method is set to "auto" by default, and IPv6 works fine by default (assuming the operator/apn supports it). The same is true if you create it from the command line using for example "nmcli con add ifname '*' type gsm apn internet".
A very similar bug was recently fixed in nm-applet, see bug #1221391.
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