[PR #2258] [MERGED] Don't add exclusion routes for IPs that are part of connected networks #14872

New Issue

saavagebueno · 2026-08-05T03:06:30-04:00

saavagebueno commented

2026-08-05 03:06:30 -04:00

📋 Pull Request Information

Original PR: https://github.com/netbirdio/netbird/pull/2258
Author: @lixmal
Created: 7/11/2024
Status: ✅ Merged
Merged: 7/17/2024
Merged by: @mlsmaycon

Base: main ← Head: fix/no-exclusion-routes-for-local-networks

📝 Commits (3)

eea04bc Don't add exclusion routes for IPs that are part of connected networks
22b8c0f Wrap error
cacdde1 Fix tests

📊 Changes

2 files changed (+59 additions, -53 deletions)

View changed files

📝 client/internal/routemanager/systemops/systemops_generic.go (+36 -1)
📝 client/internal/routemanager/systemops/systemops_windows_test.go (+23 -52)

📄 Description

When adding a host route for a peer's IP address that belongs to a connected network, macOS may stop using ARP/NDP to resolve the IP address. This will lead to unreachability of the targeted IP.

Describe your changes

This PR prevents adding exclusion routes for connected networks.

Issue ticket number and link

Checklist

Is it a bug fix
Is a typo/documentation fix
Is a feature enhancement
It is a refactor
Created tests that fail without the change (if possible)
Extended the README / documentation, if necessary

_{🔄 This issue represents a GitHub Pull Request. It cannot be merged through Gitea due to API limitations.}

## 📋 Pull Request Information **Original PR:** https://github.com/netbirdio/netbird/pull/2258 **Author:** [@lixmal](https://github.com/lixmal) **Created:** 7/11/2024 **Status:** ✅ Merged **Merged:** 7/17/2024 **Merged by:** [@mlsmaycon](https://github.com/mlsmaycon) **Base:** `main` ← **Head:** `fix/no-exclusion-routes-for-local-networks` --- ### 📝 Commits (3) - [`eea04bc`](https://github.com/netbirdio/netbird/commit/eea04bcf72f77b73e802d2b11d01d017ca945336) Don't add exclusion routes for IPs that are part of connected networks - [`22b8c0f`](https://github.com/netbirdio/netbird/commit/22b8c0fdbda3546da19115d31b9c2cf6b6fbbfee) Wrap error - [`cacdde1`](https://github.com/netbirdio/netbird/commit/cacdde147146b2454aa8411a1b4f2cfbd230b9a6) Fix tests ### 📊 Changes **2 files changed** (+59 additions, -53 deletions) <details> <summary>View changed files</summary> 📝 `client/internal/routemanager/systemops/systemops_generic.go` (+36 -1) 📝 `client/internal/routemanager/systemops/systemops_windows_test.go` (+23 -52) </details> ### 📄 Description When adding a host route for a peer's IP address that belongs to a connected network, macOS may stop using ARP/NDP to resolve the IP address. This will lead to unreachability of the targeted IP. ## Describe your changes This PR prevents adding exclusion routes for connected networks. ## Issue ticket number and link ### Checklist - [x] Is it a bug fix - [ ] Is a typo/documentation fix - [ ] Is a feature enhancement - [ ] It is a refactor - [ ] Created tests that fail without the change (if possible) - [ ] Extended the README / documentation, if necessary --- <sub>🔄 This issue represents a GitHub Pull Request. It cannot be merged through Gitea due to API limitations.</sub>

saavagebueno added the pull-request label 2026-08-05 03:06:30 -04:00

saavagebueno closed this issue

2026-08-05 03:06:30 -04:00

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Reference: DYNR/netbird#14872