Re: how can I add a static IPv4 route?

[Julien Lepiller <julien@lepiller.eu>]

Le 13 février 2020 03:42:46 GMT-05:00, Efraim Flashner <efraim@flashner.co.il> a écrit :
>On Thu, Feb 13, 2020 at 09:22:46AM +0100, Giovanni Biscuolo wrote:
>> Hi Julien
>> 
>> thanks for your support!
>> 
>> Julien Lepiller <julien@lepiller.eu> writes:
>> 
>> > Le 12 février 2020 13:08:46 GMT-05:00, Giovanni Biscuolo
><g@xelera.eu> a écrit :
>> >>Hello,
>> >>
>> >>I have a very simple networking configuration:
>> >>
>> >>--8<---------------cut here---------------start------------->8---
>> >>(service dhcp-client-service-type)
>> >>--8<---------------cut here---------------end--------------->8---
>> >>
>> >>Please how can I add a static route? (I know there is wip-netlink,
>but
>> >>AFAIU it's still not in master)
>> 
>> [...]
>> 
>> > However, if you don't need IPv6, I'd like to encourage you to use
>the
>> > static-networking-service that's described in the manual:
>> >
>https://guix.gnu.org/manual/devel/en/html_node/Networking-Services.html#Networking-Services
>> 
>> Thanks for your suggestion but I don't understand how to use it just
>to
>> add a static route to the interface set up by
>dhcp-client-service-type.
>> 
>> I'm trying to have something similar to this debian interfaces
>config:
>> 
>> --8<---------------cut here---------------start------------->8---
>> auto eth0
>> iface eth0 inet dhcp
>> 	### static routing for eth0 ###
>>         post-up route add -net 10.0.0.0 netmask 255.0.0.0 gw
>10.9.38.65
>>         pre-down route del -net 10.0.0.0 netmask 255.0.0.0 gw
>10.9.38.65
>> --8<---------------cut here---------------end--------------->8---
>> 
>> I'd like to stay whith a dhcp client config, but please provide an
>> example on how to add a static route to a configuration like this:
>> 
>> --8<---------------cut here---------------start------------->8---
>> (static-networking-service "eno1" "192.168.1.82"
>>                            #:gateway "192.168.1.2"
>>                            #:name-servers '("192.168.1.2"))
>> --8<---------------cut here---------------end--------------->8---
>> 
>
>I'm going to take a shot at this. There's another example in the
>guix-maintenance repo for berlin and some other machines
>
>             ;; Connection to the DMZ for public access
>             ;; This is a 1G port only
>             (static-networking-service "eno1"
>                                        "141.80.181.41"
>                                        #:netmask "255.255.255.0"
>                                        #:gateway "141.80.181.1")
>             ;; This is a 10G port.
>             (static-networking-service "enp129s0f0"
>                                        "141.80.181.40"
>                                        #:netmask "255.255.255.0")
>             ;; Connection to build nodes
>             (static-networking-service "eno3"
>                                        "141.80.167.131"
>                                        #:netmask "255.255.255.192")
>
>
>So for what you've posted I would guess the following:
>(It doesn't look like the static-networking-service allows you to use
>DHCP to receive an IP address)
>
>(static-networking-service "eth0"
>                           "10.x.y.z"
>                           #:netmask "255.0.0.0"
>                           #:gateway "10.9.38.65")

Ah you're right, I didn't understand. You'll need a new service that runs after the dhcp service and adds the route, with iproute2 for instance.