On 02/06/2018 01:16 PM, Terry Barnaby wrote:
> On 06/02/18 20:21, James Hogarth wrote:
>> On 3 February 2018 at 22:20, Terry Barnaby <ter...@beam.ltd.uk> wrote:
>>> On 02/02/18 16:40, Bill Shirley wrote:
>>>
>>> You didn't post the command or its output. How can anyone help you?
>>>
>>> What's the output of these two commands?
>>> ip -o -4 addr
>>> ip -o -4 route
>>>
>>> Bill
>>>
>>> ip -o -4 addr
>>> 1: lo inet 127.0.0.1/8 scope host lo\ valid_lft forever
>>> preferred_lft forever
>>> 2: enp2s0 inet 192.168.202.2/24 brd 192.168.202.255 scope global
>>> dynamic
>>> enp2s0\ valid_lft 1205223sec preferred_lft 1205223sec
>>>
>>> ip -o -4 route
>>> default via 192.168.202.1 dev enp2s0 proto static metric 100
>>> 192.168.202.0/24 dev enp2s0 proto kernel scope link src 192.168.202.2
>>> metric
>>> 100
>>>
>>> These are when the route is up normally after a DHCP.
>>> The system is fine normally, its just that I wanted to manually
>>> change the
>>> default route to test a different router.
>>> I have managed to do this now by hardcoding the route on the next boot.
>>> I think the issue must be NetworkManager doing something more than it
>>> used
>>> to.
>>>
>> Since NetworkManager was?is managing that interface did you try using
>> nmcli conn modify or nmcli con edit to set the route in the connection
>> profile?
>>
>> https://www.hogarthuk.com/?q=node/8
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>
> No, I didn't know you could change the default route with nmcli and it's
> not obvious in the man page how to do this. Will have a look to see how
> to do that.
>
> Certainly up to Fedora25 changing the default route, temporarily, with
> "route del default; route add default ..." worked.
First, get a list of the connections, such as:
sudo nmcli connection show OR
sudo nmcli connection show --active (for only active ones)
and locate the connection you wish to modify, then:
sudo nmcli connection modify --temporary <connname> gateway <ipaddr>
should change it temporarily. If you omit the "--temporary", it should
make a permanent change.
The command is buried in the nmcli man page, but the parameters are
hidden in the nm-settings(5) man page under the "ipv4" section.
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