systemd / systemd/systemd

sd-net [MobileNetwork] should support adding default gateway to other routing tables

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network RFE 🎁
Dominant language
C
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Description

Component

systemd-networkd

Is your feature request related to a problem? Please describe

The current implementation in #38855 always adds the default gateway obtained from ModemManager to the main routing table. This may not be desired. [MobileNetwork] should support adding to other routing tables just like [DHCPv4] [DHCPv6] and [IPv6AcceptRA].

Describe the solution you'd like

No response

Describe alternatives you've considered

No response

The systemd version you checked that didn't have the feature you are asking for

No response

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by examining the MobileNetwork implementation and the changes from #38855, then compare how DHCPv4, DHCPv6, and IPv6AcceptRA add routes to non-main tables. The work is done when [MobileNetwork] can place the ModemManager-provided default gateway in another routing table through the same kind of configuration supported by those components.

Written by the indexing model from the issue text.

Assessment

Tech stack
c
Domain
networking, operating-systems
Issue type
Feature
Difficulty
4/5
Estimated time
3-5 days
Activity status
Active
Clarity
Mostly clear
Newbie friendliness
48/100

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