[GH-ISSUE #4503] Connecting to an exit node causes the peer connections to switch from P2P to Relayed mode #9281

New Issue

saavagebueno · 2026-08-05T01:21:35-04:00

saavagebueno commented

2026-08-05 01:21:35 -04:00

Originally created by @hectorm on GitHub (Sep 15, 2025).
Original GitHub issue: https://github.com/netbirdio/netbird/issues/4503

Describe the problem

On Linux, connecting to an exit node causes the peer connections to switch from P2P to Relayed mode. I haven't observed this behavior on Windows.

To Reproduce

Steps to reproduce the behavior:

Open NetBird UI client on Linux.
Start the connection without using an exit node.
Observe that the peer connections are in P2P mode.
Now, enable the exit node option.
Observe that the peer connections switch to Relayed mode.

Expected behavior

Peer connections should remain in P2P mode even when connected through an exit node.

Are you using NetBird Cloud?

No.

NetBird version

0.57.0

Is any other VPN software installed?

No.

Debug output

I reproduced this behavior on a clean installation of Ubuntu 24.04 and Windows 11 in a VM on the same host.

Ubuntu 24.04

netbird status -dA (with some redacted info)

Peers detail:
 netbird-exit-A.peer.netbird.anon-64jdZ.domain:
  NetBird IP: 100.79.1.10
  Public key: sX/2PlPXLgzQaIyILeHBndjuMdHALlzN4WXdcb9Fj1E=
  Status: Connected
  -- detail --
  Connection type: Relayed
  ICE candidate (Local/Remote): -/-
  ICE candidate endpoints (Local/Remote): -/-
  Relay server address: rels://netbird-exit-B.anon-64jdZ.domain:443
  Last connection update: 16 minutes, 48 seconds ago
  Last WireGuard handshake: 30 seconds ago
  Transfer status (received/sent) 1.8 MiB/101.6 KiB
  Quantum resistance: false
  Networks: 0.0.0.0/0
  Latency: 0s

 netbird-exit-B.peer.netbird.anon-64jdZ.domain:
  NetBird IP: 100.79.1.11
  Public key: VFwf0FkA56aB+Patbq9YEU3z6SId6l29Sg4G4V1/TEg=
  Status: Connected
  -- detail --
  Connection type: Relayed
  ICE candidate (Local/Remote): -/-
  ICE candidate endpoints (Local/Remote): -/-
  Relay server address: rels://netbird-exit-B.anon-64jdZ.domain:443
  Last connection update: 16 minutes, 48 seconds ago
  Last WireGuard handshake: 54 seconds ago
  Transfer status (received/sent) 5.8 KiB/6.0 KiB
  Quantum resistance: false
  Networks: -
  Latency: 0s

 ****.peer.netbird.anon-64jdZ.domain:
  NetBird IP: 100.79.51.78
  Public key: t5vV8KdQdkjV44ArXoxW8VzMWOGakU3KgOC11c+GmUk=
  Status: Connected
  -- detail --
  Connection type: Relayed
  ICE candidate (Local/Remote): -/-
  ICE candidate endpoints (Local/Remote): -/-
  Relay server address: rels://netbird-exit-B.anon-64jdZ.domain:443
  Last connection update: 16 minutes, 48 seconds ago
  Last WireGuard handshake: 1 minute, 59 seconds ago
  Transfer status (received/sent) 860 B/2.9 KiB
  Quantum resistance: false
  Networks: -
  Latency: 0s

 ****.peer.netbird.anon-64jdZ.domain:
  NetBird IP: 100.79.54.216
  Public key: GqMX7hOremH8/aKpP5M1v1LPBpLjkvGzgRAAb4i1nCc=
  Status: Connected
  -- detail --
  Connection type: Relayed
  ICE candidate (Local/Remote): -/-
  ICE candidate endpoints (Local/Remote): -/-
  Relay server address: rels://netbird-exit-B.anon-64jdZ.domain:443
  Last connection update: 16 minutes, 48 seconds ago
  Last WireGuard handshake: 2 minutes ago
  Transfer status (received/sent) 828 B/3.0 KiB
  Quantum resistance: false
  Networks: -
  Latency: 0s

 ****.peer.netbird.anon-64jdZ.domain:
  NetBird IP: 100.79.76.202
  Public key: DNTma0zJVuyYbcjWdDdTvjNMjDaHVatSi9C41BlJpjs=
  Status: Connected
  -- detail --
  Connection type: Relayed
  ICE candidate (Local/Remote): -/-
  ICE candidate endpoints (Local/Remote): -/-
  Relay server address: rels://netbird-exit-B.anon-64jdZ.domain:443
  Last connection update: 16 minutes, 48 seconds ago
  Last WireGuard handshake: 1 minute, 59 seconds ago
  Transfer status (received/sent) 860 B/3.0 KiB
  Quantum resistance: false
  Networks: -
  Latency: 0s

 ****.peer.netbird.anon-64jdZ.domain:
  NetBird IP: 100.79.113.61
  Public key: bVUboOCamFbXbOxK+xbX4jvONWj+E0MdOiEFBmg3uno=
  Status: Connected
  -- detail --
  Connection type: Relayed
  ICE candidate (Local/Remote): -/-
  ICE candidate endpoints (Local/Remote): -/-
  Relay server address: rels://netbird-exit-B.anon-64jdZ.domain:443
  Last connection update: 15 minutes, 47 seconds ago
  Last WireGuard handshake: 1 minute, 4 seconds ago
  Transfer status (received/sent) 1.0 KiB/2.9 KiB
  Quantum resistance: false
  Networks: -
  Latency: 0s

 ****.peer.netbird.anon-64jdZ.domain:
  NetBird IP: 100.79.181.161
  Public key: J1lirQtlw9qktjMV7PgcRhPw9v2QXj9XzfrBZsIKVks=
  Status: Connected
  -- detail --
  Connection type: Relayed
  ICE candidate (Local/Remote): -/-
  ICE candidate endpoints (Local/Remote): -/-
  Relay server address: rels://netbird-exit-B.anon-64jdZ.domain:443
  Last connection update: 15 minutes, 46 seconds ago
  Last WireGuard handshake: 13 seconds ago
  Transfer status (received/sent) 2.1 KiB/2.0 KiB
  Quantum resistance: false
  Networks: -
  Latency: 0s

 ****.peer.netbird.anon-64jdZ.domain:
  NetBird IP: 100.79.219.166
  Public key: gzdVmwvaMGIHlW01z5eLG7zMnFaYjqxr+43gWQQD9nU=
  Status: Connected
  -- detail --
  Connection type: Relayed
  ICE candidate (Local/Remote): -/-
  ICE candidate endpoints (Local/Remote): -/-
  Relay server address: rels://netbird-exit-B.anon-64jdZ.domain:443
  Last connection update: 16 minutes, 48 seconds ago
  Last WireGuard handshake: 2 minutes ago
  Transfer status (received/sent) 2.1 KiB/3.0 KiB
  Quantum resistance: false
  Networks: -
  Latency: 0s

 ****.peer.netbird.anon-64jdZ.domain:
  NetBird IP: 100.79.246.75
  Public key: bGwUYnC3o4ldL35eLg/6f9A5AarQON+zXRkvy9ZmWgo=
  Status: Connected
  -- detail --
  Connection type: Relayed
  ICE candidate (Local/Remote): -/-
  ICE candidate endpoints (Local/Remote): -/-
  Relay server address: rels://netbird-exit-B.anon-64jdZ.domain:443
  Last connection update: 16 minutes, 48 seconds ago
  Last WireGuard handshake: 1 minute, 59 seconds ago
  Transfer status (received/sent) 860 B/3.0 KiB
  Quantum resistance: false
  Networks: -
  Latency: 0s

Events:
  [INFO] NETWORK (ad9e3ebb-844e-4755-a819-1df9cac1406f)
    Message: Default route added
    Time: 17 minutes, 20 seconds ago
    Metadata: id: exit-****, network: 0.0.0.0/0, peer: VFwf0FkA56aB+Patbq9YEU3z6SId6l29Sg4G4V1/TEg=
  [WARNING] NETWORK (3b894dcf-fe8f-4100-ad7b-138fc9b85132)
    Message: Default route disconnected due to peer unreachability
    Time: 17 minutes, 20 seconds ago
    Metadata: id: exit-****, network: 0.0.0.0/0, peer: VFwf0FkA56aB+Patbq9YEU3z6SId6l29Sg4G4V1/TEg=
  [INFO] NETWORK (b25a04e1-f712-4418-9f8f-9bf4475d3fe5)
    Message: Default route added
    Time: 17 minutes, 19 seconds ago
    Metadata: id: exit-****, network: 0.0.0.0/0, peer: sX/2PlPXLgzQaIyILeHBndjuMdHALlzN4WXdcb9Fj1E=
  [INFO] NETWORK (a7ec36ab-f413-43be-a6a3-027db9c29b7e)
    Message: Default route added
    Time: 17 minutes, 19 seconds ago
    Metadata: id: exit-****, network: 0.0.0.0/0, peer: sX/2PlPXLgzQaIyILeHBndjuMdHALlzN4WXdcb9Fj1E=
  [INFO] NETWORK (df5af5f7-63bc-457d-bd2d-6d3717a2653b)
    Message: Default route disconnected due to high availability change
    Time: 16 minutes, 49 seconds ago
    Metadata: id: exit-****, network: 0.0.0.0/0, peer: sX/2PlPXLgzQaIyILeHBndjuMdHALlzN4WXdcb9Fj1E=
  [INFO] NETWORK (d838cc11-fe10-4eaa-866a-c1960320c793)
    Message: Default route added
    Time: 16 minutes, 49 seconds ago
    Metadata: id: exit-****, network: 0.0.0.0/0, peer: VFwf0FkA56aB+Patbq9YEU3z6SId6l29Sg4G4V1/TEg=
  [INFO] NETWORK (dc21bb5d-4725-4155-8484-4caa5cc0ee9f)
    Message: Default route added
    Time: 16 minutes, 49 seconds ago
    Metadata: id: exit-****, network: 0.0.0.0/0, peer: VFwf0FkA56aB+Patbq9YEU3z6SId6l29Sg4G4V1/TEg=
  [WARNING] NETWORK (8467c148-c89c-417d-af98-bb183972d35e)
    Message: Default route disconnected due to peer unreachability
    Time: 16 minutes, 49 seconds ago
    Metadata: id: exit-****, network: 0.0.0.0/0, peer: VFwf0FkA56aB+Patbq9YEU3z6SId6l29Sg4G4V1/TEg=
  [INFO] NETWORK (ca58cc91-a6fa-4f84-86ef-ea688f3b1358)
    Message: Default route added
    Time: 16 minutes, 48 seconds ago
    Metadata: id: exit-****, network: 0.0.0.0/0, peer: sX/2PlPXLgzQaIyILeHBndjuMdHALlzN4WXdcb9Fj1E=
  [INFO] NETWORK (5fcf8844-845e-4b3f-9ffe-d4ab4ff69440)
    Message: Default route added
    Time: 16 minutes, 48 seconds ago
    Metadata: id: exit-****, network: 0.0.0.0/0, peer: sX/2PlPXLgzQaIyILeHBndjuMdHALlzN4WXdcb9Fj1E=
OS: linux/amd64
Daemon version: 0.57.0
CLI version: 0.57.0
Profile: default
Management: Connected to https://netbird.anon-64jdZ.domain:443
Signal: Connected to https://netbird.anon-64jdZ.domain:443
Relays:
  [stuns:netbird.anon-64jdZ.domain:5349] is Available
  [rels://netbird-exit-B.anon-64jdZ.domain:443] is Available
Nameservers:
  [8.8.8.8:53, 1.1.1.1:53] for [.] is Available
  [100.79.1.10:5335, 100.79.1.11:5335, 8.8.8.8:53] for [anon-64jdZ.domain, anon-c1owV.domain] is Available
FQDN: ****.peer.netbird.anon-64jdZ.domain
NetBird IP: 100.79.122.114/16
Interface type: Kernel
Quantum resistance: false
Lazy connection: false
Networks: -
Forwarding rules: 0
Peers count: 9/9 Connected

Debug bundle: d1064e6e14a1336c26f7abaf90ce06323515d634e9d4cfc7b50cdb9379ad84ba/63f83625-d34d-498e-a8a6-ad70f774e475

Windows 11

netbird status -dA (with some redacted info)

Peers detail:
 netbird-exit-A.peer.netbird.anon-8DL8x.domain:
  NetBird IP: 100.79.1.10
  Public key: sX/2PlPXLgzQaIyILeHBndjuMdHALlzN4WXdcb9Fj1E=
  Status: Connected
  -- detail --
  Connection type: P2P
  ICE candidate (Local/Remote): host/host
  ICE candidate endpoints (Local/Remote): 10.0.2.15:51820/198.51.100.0:51820
  Relay server address: rels://netbird-exit-****.anon-8DL8x.domain:443
  Last connection update: 2 hours ago
  Last WireGuard handshake: 48 seconds ago
  Transfer status (received/sent) 493.1 MiB/205.1 MiB
  Quantum resistance: false
  Networks: 0.0.0.0/0
  Latency: 0s

 netbird-exit-B.peer.netbird.anon-8DL8x.domain:
  NetBird IP: 100.79.1.11
  Public key: VFwf0FkA56aB+Patbq9YEU3z6SId6l29Sg4G4V1/TEg=
  Status: Connected
  -- detail --
  Connection type: P2P
  ICE candidate (Local/Remote): host/host
  ICE candidate endpoints (Local/Remote): 127.0.0.1:51820/198.51.100.1:51820
  Relay server address: rels://netbird-exit-B.anon-8DL8x.domain:443
  Last connection update: 2 hours ago
  Last WireGuard handshake: 1 minute, 28 seconds ago
  Transfer status (received/sent) 5.6 KiB/19.4 KiB
  Quantum resistance: false
  Networks: -
  Latency: 0s

 ****.peer.netbird.anon-8DL8x.domain:
  NetBird IP: 100.79.51.78
  Public key: t5vV8KdQdkjV44ArXoxW8VzMWOGakU3KgOC11c+GmUk=
  Status: Connected
  -- detail --
  Connection type: P2P
  ICE candidate (Local/Remote): host/host
  ICE candidate endpoints (Local/Remote): 127.0.0.1:51820/198.51.100.2:51820
  Relay server address: rels://netbird-exit-B.anon-8DL8x.domain:443
  Last connection update: 2 hours ago
  Last WireGuard handshake: 1 minute, 36 seconds ago
  Transfer status (received/sent) 5.3 KiB/19.2 KiB
  Quantum resistance: false
  Networks: -
  Latency: 0s

 ****.peer.netbird.anon-8DL8x.domain:
  NetBird IP: 100.79.54.216
  Public key: GqMX7hOremH8/aKpP5M1v1LPBpLjkvGzgRAAb4i1nCc=
  Status: Connected
  -- detail --
  Connection type: P2P
  ICE candidate (Local/Remote): host/host
  ICE candidate endpoints (Local/Remote): 10.0.2.15:51820/198.51.100.3:51820
  Relay server address: rels://netbird-exit-A.anon-8DL8x.domain:443
  Last connection update: 2 hours ago
  Last WireGuard handshake: 1 minute, 37 seconds ago
  Transfer status (received/sent) 5.3 KiB/19.2 KiB
  Quantum resistance: false
  Networks: -
  Latency: 0s

 ****.peer.netbird.anon-8DL8x.domain:
  NetBird IP: 100.79.76.202
  Public key: DNTma0zJVuyYbcjWdDdTvjNMjDaHVatSi9C41BlJpjs=
  Status: Connected
  -- detail --
  Connection type: P2P
  ICE candidate (Local/Remote): host/host
  ICE candidate endpoints (Local/Remote): 10.0.2.15:51820/198.51.100.4:51820
  Relay server address: rels://netbird-exit-A.anon-8DL8x.domain:443
  Last connection update: 2 hours ago
  Last WireGuard handshake: 1 minute, 37 seconds ago
  Transfer status (received/sent) 5.2 KiB/19.2 KiB
  Quantum resistance: false
  Networks: -
  Latency: 0s

 ****.peer.netbird.anon-8DL8x.domain:
  NetBird IP: 100.79.113.61
  Public key: bVUboOCamFbXbOxK+xbX4jvONWj+E0MdOiEFBmg3uno=
  Status: Connected
  -- detail --
  Connection type: P2P
  ICE candidate (Local/Remote): host/host
  ICE candidate endpoints (Local/Remote): 127.0.0.1:51820/198.51.100.5:51820
  Relay server address: rels://netbird-exit-B.anon-8DL8x.domain:443
  Last connection update: 2 hours ago
  Last WireGuard handshake: 1 minute, 36 seconds ago
  Transfer status (received/sent) 5.3 KiB/19.2 KiB
  Quantum resistance: false
  Networks: -
  Latency: 0s

 ****.peer.netbird.anon-8DL8x.domain:
  NetBird IP: 100.79.181.161
  Public key: J1lirQtlw9qktjMV7PgcRhPw9v2QXj9XzfrBZsIKVks=
  Status: Connected
  -- detail --
  Connection type: P2P
  ICE candidate (Local/Remote): host/host
  ICE candidate endpoints (Local/Remote): 127.0.0.1:51820/198.51.100.6:51820
  Relay server address: rels://netbird-exit-A.anon-8DL8x.domain:443
  Last connection update: 2 hours ago
  Last WireGuard handshake: 1 minute, 37 seconds ago
  Transfer status (received/sent) 5.2 KiB/19.2 KiB
  Quantum resistance: false
  Networks: -
  Latency: 0s

 ****.peer.netbird.anon-8DL8x.domain:
  NetBird IP: 100.79.219.166
  Public key: gzdVmwvaMGIHlW01z5eLG7zMnFaYjqxr+43gWQQD9nU=
  Status: Connected
  -- detail --
  Connection type: P2P
  ICE candidate (Local/Remote): host/host
  ICE candidate endpoints (Local/Remote): 127.0.0.1:51820/198.51.100.7:51820
  Relay server address: rels://netbird-exit-B.anon-8DL8x.domain:443
  Last connection update: 2 hours ago
  Last WireGuard handshake: 1 minute, 36 seconds ago
  Transfer status (received/sent) 5.3 KiB/19.2 KiB
  Quantum resistance: false
  Networks: -
  Latency: 0s

 ****.peer.netbird.anon-8DL8x.domain:
  NetBird IP: 100.79.246.75
  Public key: bGwUYnC3o4ldL35eLg/6f9A5AarQON+zXRkvy9ZmWgo=
  Status: Connected
  -- detail --
  Connection type: P2P
  ICE candidate (Local/Remote): host/host
  ICE candidate endpoints (Local/Remote): 10.0.2.15:51820/198.51.100.8:51820
  Relay server address: rels://netbird-exit-B.anon-8DL8x.domain:443
  Last connection update: 2 hours ago
  Last WireGuard handshake: 1 minute, 36 seconds ago
  Transfer status (received/sent) 5.2 KiB/19.2 KiB
  Quantum resistance: false
  Networks: -
  Latency: 0s

Events:
  [INFO] SYSTEM (d7b955d7-f578-4a9e-a0c5-a8ce65b7e78d)
    Message: Network map updated
    Time: 2 hours ago
  [INFO] SYSTEM (8b54e581-126a-4f08-951c-deb2da22e263)
    Message: Network selection changed
    Time: 1 hour, 57 minutes ago
    Metadata: all: false, append: true, networks: exit-****
  [INFO] NETWORK (e3026528-54d4-4241-8830-251ba0e17ff6)
    Message: Default route added
    Time: 1 hour, 57 minutes ago
    Metadata: id: exit-****, network: 0.0.0.0/0, peer: sX/2PlPXLgzQaIyILeHBndjuMdHALlzN4WXdcb9Fj1E=
  [INFO] NETWORK (23df2d30-b2d9-4359-b01e-97b46193f78d)
    Message: Default route added
    Time: 1 hour, 57 minutes ago
    Metadata: id: exit-****, network: 0.0.0.0/0, peer: sX/2PlPXLgzQaIyILeHBndjuMdHALlzN4WXdcb9Fj1E=
  [INFO] NETWORK (17d5e15d-9944-4394-b05c-dbc653c1a3bf)
    Message: Default route removed
    Time: 1 hour, 53 minutes ago
    Metadata: id: exit-****, network: 0.0.0.0/0, peer: sX/2PlPXLgzQaIyILeHBndjuMdHALlzN4WXdcb9Fj1E=
  [INFO] SYSTEM (b45fb82a-d3aa-4436-bb2b-708547ead430)
    Message: Network deselection changed
    Time: 1 hour, 53 minutes ago
    Metadata: all: false, append: false, networks: exit-****
  [INFO] SYSTEM (a3f89868-98be-44bb-833b-61867d6c122b)
    Message: Network selection changed
    Time: 1 hour, 5 minutes ago
    Metadata: all: false, append: true, networks: exit-****
  [INFO] NETWORK (d47825c3-c230-4b34-9a3f-476414bbd73f)
    Message: Default route added
    Time: 1 hour, 5 minutes ago
    Metadata: id: exit-****, network: 0.0.0.0/0, peer: sX/2PlPXLgzQaIyILeHBndjuMdHALlzN4WXdcb9Fj1E=
  [INFO] NETWORK (74d3bb5e-e01f-4dc4-abea-ad747dd45bf1)
    Message: Default route added
    Time: 1 hour, 5 minutes ago
    Metadata: id: exit-****, network: 0.0.0.0/0, peer: sX/2PlPXLgzQaIyILeHBndjuMdHALlzN4WXdcb9Fj1E=
OS: windows/amd64
Daemon version: 0.57.0
CLI version: 0.57.0
Profile: default
Management: Connected to https://netbird.anon-8DL8x.domain:443
Signal: Connected to https://netbird.anon-8DL8x.domain:443
Relays:
  [stuns:netbird.anon-8DL8x.domain:5349] is Available
  [rels://netbird-exit-A.anon-8DL8x.domain:443] is Available
Nameservers:
  [8.8.8.8:53, 1.1.1.1:53] for [.] is Available
  [100.79.1.10:5335, 100.79.1.11:5335, 8.8.8.8:53] for [anon-8DL8x.domain, anon-NXZHG.domain] is Available
FQDN: ****.peer.netbird.anon-8DL8x.domain
NetBird IP: 100.79.213.197/16
Interface type: Userspace
Quantum resistance: false
Lazy connection: false
Networks: -
Forwarding rules: 0
Peers count: 9/9 Connected

Debug bundle: d1064e6e14a1336c26f7abaf90ce06323515d634e9d4cfc7b50cdb9379ad84ba/8418052e-cb79-4c46-8e3b-e04493708073

Originally created by @hectorm on GitHub (Sep 15, 2025). Original GitHub issue: https://github.com/netbirdio/netbird/issues/4503 ### Describe the problem On Linux, connecting to an exit node causes the peer connections to switch from P2P to Relayed mode. I haven't observed this behavior on Windows. ### To Reproduce Steps to reproduce the behavior: 1. Open NetBird UI client on Linux. 2. Start the connection without using an exit node. 3. Observe that the peer connections are in P2P mode. 4. Now, enable the exit node option. 5. Observe that the peer connections switch to Relayed mode. ### Expected behavior Peer connections should remain in P2P mode even when connected through an exit node. ### Are you using NetBird Cloud? No. ### NetBird version 0.57.0 ### Is any other VPN software installed? No. ### Debug output I reproduced this behavior on a clean installation of Ubuntu 24.04 and Windows 11 in a VM on the same host. ##### Ubuntu 24.04 * <details><summary>netbird status -dA (with some redacted info)</summary> ``` Peers detail: netbird-exit-A.peer.netbird.anon-64jdZ.domain: NetBird IP: 100.79.1.10 Public key: sX/2PlPXLgzQaIyILeHBndjuMdHALlzN4WXdcb9Fj1E= Status: Connected -- detail -- Connection type: Relayed ICE candidate (Local/Remote): -/- ICE candidate endpoints (Local/Remote): -/- Relay server address: rels://netbird-exit-B.anon-64jdZ.domain:443 Last connection update: 16 minutes, 48 seconds ago Last WireGuard handshake: 30 seconds ago Transfer status (received/sent) 1.8 MiB/101.6 KiB Quantum resistance: false Networks: 0.0.0.0/0 Latency: 0s netbird-exit-B.peer.netbird.anon-64jdZ.domain: NetBird IP: 100.79.1.11 Public key: VFwf0FkA56aB+Patbq9YEU3z6SId6l29Sg4G4V1/TEg= Status: Connected -- detail -- Connection type: Relayed ICE candidate (Local/Remote): -/- ICE candidate endpoints (Local/Remote): -/- Relay server address: rels://netbird-exit-B.anon-64jdZ.domain:443 Last connection update: 16 minutes, 48 seconds ago Last WireGuard handshake: 54 seconds ago Transfer status (received/sent) 5.8 KiB/6.0 KiB Quantum resistance: false Networks: - Latency: 0s ****.peer.netbird.anon-64jdZ.domain: NetBird IP: 100.79.51.78 Public key: t5vV8KdQdkjV44ArXoxW8VzMWOGakU3KgOC11c+GmUk= Status: Connected -- detail -- Connection type: Relayed ICE candidate (Local/Remote): -/- ICE candidate endpoints (Local/Remote): -/- Relay server address: rels://netbird-exit-B.anon-64jdZ.domain:443 Last connection update: 16 minutes, 48 seconds ago Last WireGuard handshake: 1 minute, 59 seconds ago Transfer status (received/sent) 860 B/2.9 KiB Quantum resistance: false Networks: - Latency: 0s ****.peer.netbird.anon-64jdZ.domain: NetBird IP: 100.79.54.216 Public key: GqMX7hOremH8/aKpP5M1v1LPBpLjkvGzgRAAb4i1nCc= Status: Connected -- detail -- Connection type: Relayed ICE candidate (Local/Remote): -/- ICE candidate endpoints (Local/Remote): -/- Relay server address: rels://netbird-exit-B.anon-64jdZ.domain:443 Last connection update: 16 minutes, 48 seconds ago Last WireGuard handshake: 2 minutes ago Transfer status (received/sent) 828 B/3.0 KiB Quantum resistance: false Networks: - Latency: 0s ****.peer.netbird.anon-64jdZ.domain: NetBird IP: 100.79.76.202 Public key: DNTma0zJVuyYbcjWdDdTvjNMjDaHVatSi9C41BlJpjs= Status: Connected -- detail -- Connection type: Relayed ICE candidate (Local/Remote): -/- ICE candidate endpoints (Local/Remote): -/- Relay server address: rels://netbird-exit-B.anon-64jdZ.domain:443 Last connection update: 16 minutes, 48 seconds ago Last WireGuard handshake: 1 minute, 59 seconds ago Transfer status (received/sent) 860 B/3.0 KiB Quantum resistance: false Networks: - Latency: 0s ****.peer.netbird.anon-64jdZ.domain: NetBird IP: 100.79.113.61 Public key: bVUboOCamFbXbOxK+xbX4jvONWj+E0MdOiEFBmg3uno= Status: Connected -- detail -- Connection type: Relayed ICE candidate (Local/Remote): -/- ICE candidate endpoints (Local/Remote): -/- Relay server address: rels://netbird-exit-B.anon-64jdZ.domain:443 Last connection update: 15 minutes, 47 seconds ago Last WireGuard handshake: 1 minute, 4 seconds ago Transfer status (received/sent) 1.0 KiB/2.9 KiB Quantum resistance: false Networks: - Latency: 0s ****.peer.netbird.anon-64jdZ.domain: NetBird IP: 100.79.181.161 Public key: J1lirQtlw9qktjMV7PgcRhPw9v2QXj9XzfrBZsIKVks= Status: Connected -- detail -- Connection type: Relayed ICE candidate (Local/Remote): -/- ICE candidate endpoints (Local/Remote): -/- Relay server address: rels://netbird-exit-B.anon-64jdZ.domain:443 Last connection update: 15 minutes, 46 seconds ago Last WireGuard handshake: 13 seconds ago Transfer status (received/sent) 2.1 KiB/2.0 KiB Quantum resistance: false Networks: - Latency: 0s ****.peer.netbird.anon-64jdZ.domain: NetBird IP: 100.79.219.166 Public key: gzdVmwvaMGIHlW01z5eLG7zMnFaYjqxr+43gWQQD9nU= Status: Connected -- detail -- Connection type: Relayed ICE candidate (Local/Remote): -/- ICE candidate endpoints (Local/Remote): -/- Relay server address: rels://netbird-exit-B.anon-64jdZ.domain:443 Last connection update: 16 minutes, 48 seconds ago Last WireGuard handshake: 2 minutes ago Transfer status (received/sent) 2.1 KiB/3.0 KiB Quantum resistance: false Networks: - Latency: 0s ****.peer.netbird.anon-64jdZ.domain: NetBird IP: 100.79.246.75 Public key: bGwUYnC3o4ldL35eLg/6f9A5AarQON+zXRkvy9ZmWgo= Status: Connected -- detail -- Connection type: Relayed ICE candidate (Local/Remote): -/- ICE candidate endpoints (Local/Remote): -/- Relay server address: rels://netbird-exit-B.anon-64jdZ.domain:443 Last connection update: 16 minutes, 48 seconds ago Last WireGuard handshake: 1 minute, 59 seconds ago Transfer status (received/sent) 860 B/3.0 KiB Quantum resistance: false Networks: - Latency: 0s Events: [INFO] NETWORK (ad9e3ebb-844e-4755-a819-1df9cac1406f) Message: Default route added Time: 17 minutes, 20 seconds ago Metadata: id: exit-****, network: 0.0.0.0/0, peer: VFwf0FkA56aB+Patbq9YEU3z6SId6l29Sg4G4V1/TEg= [WARNING] NETWORK (3b894dcf-fe8f-4100-ad7b-138fc9b85132) Message: Default route disconnected due to peer unreachability Time: 17 minutes, 20 seconds ago Metadata: id: exit-****, network: 0.0.0.0/0, peer: VFwf0FkA56aB+Patbq9YEU3z6SId6l29Sg4G4V1/TEg= [INFO] NETWORK (b25a04e1-f712-4418-9f8f-9bf4475d3fe5) Message: Default route added Time: 17 minutes, 19 seconds ago Metadata: id: exit-****, network: 0.0.0.0/0, peer: sX/2PlPXLgzQaIyILeHBndjuMdHALlzN4WXdcb9Fj1E= [INFO] NETWORK (a7ec36ab-f413-43be-a6a3-027db9c29b7e) Message: Default route added Time: 17 minutes, 19 seconds ago Metadata: id: exit-****, network: 0.0.0.0/0, peer: sX/2PlPXLgzQaIyILeHBndjuMdHALlzN4WXdcb9Fj1E= [INFO] NETWORK (df5af5f7-63bc-457d-bd2d-6d3717a2653b) Message: Default route disconnected due to high availability change Time: 16 minutes, 49 seconds ago Metadata: id: exit-****, network: 0.0.0.0/0, peer: sX/2PlPXLgzQaIyILeHBndjuMdHALlzN4WXdcb9Fj1E= [INFO] NETWORK (d838cc11-fe10-4eaa-866a-c1960320c793) Message: Default route added Time: 16 minutes, 49 seconds ago Metadata: id: exit-****, network: 0.0.0.0/0, peer: VFwf0FkA56aB+Patbq9YEU3z6SId6l29Sg4G4V1/TEg= [INFO] NETWORK (dc21bb5d-4725-4155-8484-4caa5cc0ee9f) Message: Default route added Time: 16 minutes, 49 seconds ago Metadata: id: exit-****, network: 0.0.0.0/0, peer: VFwf0FkA56aB+Patbq9YEU3z6SId6l29Sg4G4V1/TEg= [WARNING] NETWORK (8467c148-c89c-417d-af98-bb183972d35e) Message: Default route disconnected due to peer unreachability Time: 16 minutes, 49 seconds ago Metadata: id: exit-****, network: 0.0.0.0/0, peer: VFwf0FkA56aB+Patbq9YEU3z6SId6l29Sg4G4V1/TEg= [INFO] NETWORK (ca58cc91-a6fa-4f84-86ef-ea688f3b1358) Message: Default route added Time: 16 minutes, 48 seconds ago Metadata: id: exit-****, network: 0.0.0.0/0, peer: sX/2PlPXLgzQaIyILeHBndjuMdHALlzN4WXdcb9Fj1E= [INFO] NETWORK (5fcf8844-845e-4b3f-9ffe-d4ab4ff69440) Message: Default route added Time: 16 minutes, 48 seconds ago Metadata: id: exit-****, network: 0.0.0.0/0, peer: sX/2PlPXLgzQaIyILeHBndjuMdHALlzN4WXdcb9Fj1E= OS: linux/amd64 Daemon version: 0.57.0 CLI version: 0.57.0 Profile: default Management: Connected to https://netbird.anon-64jdZ.domain:443 Signal: Connected to https://netbird.anon-64jdZ.domain:443 Relays: [stuns:netbird.anon-64jdZ.domain:5349] is Available [rels://netbird-exit-B.anon-64jdZ.domain:443] is Available Nameservers: [8.8.8.8:53, 1.1.1.1:53] for [.] is Available [100.79.1.10:5335, 100.79.1.11:5335, 8.8.8.8:53] for [anon-64jdZ.domain, anon-c1owV.domain] is Available FQDN: ****.peer.netbird.anon-64jdZ.domain NetBird IP: 100.79.122.114/16 Interface type: Kernel Quantum resistance: false Lazy connection: false Networks: - Forwarding rules: 0 Peers count: 9/9 Connected ``` </details> * Debug bundle: `d1064e6e14a1336c26f7abaf90ce06323515d634e9d4cfc7b50cdb9379ad84ba/63f83625-d34d-498e-a8a6-ad70f774e475` ##### Windows 11 * <details><summary>netbird status -dA (with some redacted info)</summary> ``` Peers detail: netbird-exit-A.peer.netbird.anon-8DL8x.domain: NetBird IP: 100.79.1.10 Public key: sX/2PlPXLgzQaIyILeHBndjuMdHALlzN4WXdcb9Fj1E= Status: Connected -- detail -- Connection type: P2P ICE candidate (Local/Remote): host/host ICE candidate endpoints (Local/Remote): 10.0.2.15:51820/198.51.100.0:51820 Relay server address: rels://netbird-exit-****.anon-8DL8x.domain:443 Last connection update: 2 hours ago Last WireGuard handshake: 48 seconds ago Transfer status (received/sent) 493.1 MiB/205.1 MiB Quantum resistance: false Networks: 0.0.0.0/0 Latency: 0s netbird-exit-B.peer.netbird.anon-8DL8x.domain: NetBird IP: 100.79.1.11 Public key: VFwf0FkA56aB+Patbq9YEU3z6SId6l29Sg4G4V1/TEg= Status: Connected -- detail -- Connection type: P2P ICE candidate (Local/Remote): host/host ICE candidate endpoints (Local/Remote): 127.0.0.1:51820/198.51.100.1:51820 Relay server address: rels://netbird-exit-B.anon-8DL8x.domain:443 Last connection update: 2 hours ago Last WireGuard handshake: 1 minute, 28 seconds ago Transfer status (received/sent) 5.6 KiB/19.4 KiB Quantum resistance: false Networks: - Latency: 0s ****.peer.netbird.anon-8DL8x.domain: NetBird IP: 100.79.51.78 Public key: t5vV8KdQdkjV44ArXoxW8VzMWOGakU3KgOC11c+GmUk= Status: Connected -- detail -- Connection type: P2P ICE candidate (Local/Remote): host/host ICE candidate endpoints (Local/Remote): 127.0.0.1:51820/198.51.100.2:51820 Relay server address: rels://netbird-exit-B.anon-8DL8x.domain:443 Last connection update: 2 hours ago Last WireGuard handshake: 1 minute, 36 seconds ago Transfer status (received/sent) 5.3 KiB/19.2 KiB Quantum resistance: false Networks: - Latency: 0s ****.peer.netbird.anon-8DL8x.domain: NetBird IP: 100.79.54.216 Public key: GqMX7hOremH8/aKpP5M1v1LPBpLjkvGzgRAAb4i1nCc= Status: Connected -- detail -- Connection type: P2P ICE candidate (Local/Remote): host/host ICE candidate endpoints (Local/Remote): 10.0.2.15:51820/198.51.100.3:51820 Relay server address: rels://netbird-exit-A.anon-8DL8x.domain:443 Last connection update: 2 hours ago Last WireGuard handshake: 1 minute, 37 seconds ago Transfer status (received/sent) 5.3 KiB/19.2 KiB Quantum resistance: false Networks: - Latency: 0s ****.peer.netbird.anon-8DL8x.domain: NetBird IP: 100.79.76.202 Public key: DNTma0zJVuyYbcjWdDdTvjNMjDaHVatSi9C41BlJpjs= Status: Connected -- detail -- Connection type: P2P ICE candidate (Local/Remote): host/host ICE candidate endpoints (Local/Remote): 10.0.2.15:51820/198.51.100.4:51820 Relay server address: rels://netbird-exit-A.anon-8DL8x.domain:443 Last connection update: 2 hours ago Last WireGuard handshake: 1 minute, 37 seconds ago Transfer status (received/sent) 5.2 KiB/19.2 KiB Quantum resistance: false Networks: - Latency: 0s ****.peer.netbird.anon-8DL8x.domain: NetBird IP: 100.79.113.61 Public key: bVUboOCamFbXbOxK+xbX4jvONWj+E0MdOiEFBmg3uno= Status: Connected -- detail -- Connection type: P2P ICE candidate (Local/Remote): host/host ICE candidate endpoints (Local/Remote): 127.0.0.1:51820/198.51.100.5:51820 Relay server address: rels://netbird-exit-B.anon-8DL8x.domain:443 Last connection update: 2 hours ago Last WireGuard handshake: 1 minute, 36 seconds ago Transfer status (received/sent) 5.3 KiB/19.2 KiB Quantum resistance: false Networks: - Latency: 0s ****.peer.netbird.anon-8DL8x.domain: NetBird IP: 100.79.181.161 Public key: J1lirQtlw9qktjMV7PgcRhPw9v2QXj9XzfrBZsIKVks= Status: Connected -- detail -- Connection type: P2P ICE candidate (Local/Remote): host/host ICE candidate endpoints (Local/Remote): 127.0.0.1:51820/198.51.100.6:51820 Relay server address: rels://netbird-exit-A.anon-8DL8x.domain:443 Last connection update: 2 hours ago Last WireGuard handshake: 1 minute, 37 seconds ago Transfer status (received/sent) 5.2 KiB/19.2 KiB Quantum resistance: false Networks: - Latency: 0s ****.peer.netbird.anon-8DL8x.domain: NetBird IP: 100.79.219.166 Public key: gzdVmwvaMGIHlW01z5eLG7zMnFaYjqxr+43gWQQD9nU= Status: Connected -- detail -- Connection type: P2P ICE candidate (Local/Remote): host/host ICE candidate endpoints (Local/Remote): 127.0.0.1:51820/198.51.100.7:51820 Relay server address: rels://netbird-exit-B.anon-8DL8x.domain:443 Last connection update: 2 hours ago Last WireGuard handshake: 1 minute, 36 seconds ago Transfer status (received/sent) 5.3 KiB/19.2 KiB Quantum resistance: false Networks: - Latency: 0s ****.peer.netbird.anon-8DL8x.domain: NetBird IP: 100.79.246.75 Public key: bGwUYnC3o4ldL35eLg/6f9A5AarQON+zXRkvy9ZmWgo= Status: Connected -- detail -- Connection type: P2P ICE candidate (Local/Remote): host/host ICE candidate endpoints (Local/Remote): 10.0.2.15:51820/198.51.100.8:51820 Relay server address: rels://netbird-exit-B.anon-8DL8x.domain:443 Last connection update: 2 hours ago Last WireGuard handshake: 1 minute, 36 seconds ago Transfer status (received/sent) 5.2 KiB/19.2 KiB Quantum resistance: false Networks: - Latency: 0s Events: [INFO] SYSTEM (d7b955d7-f578-4a9e-a0c5-a8ce65b7e78d) Message: Network map updated Time: 2 hours ago [INFO] SYSTEM (8b54e581-126a-4f08-951c-deb2da22e263) Message: Network selection changed Time: 1 hour, 57 minutes ago Metadata: all: false, append: true, networks: exit-**** [INFO] NETWORK (e3026528-54d4-4241-8830-251ba0e17ff6) Message: Default route added Time: 1 hour, 57 minutes ago Metadata: id: exit-****, network: 0.0.0.0/0, peer: sX/2PlPXLgzQaIyILeHBndjuMdHALlzN4WXdcb9Fj1E= [INFO] NETWORK (23df2d30-b2d9-4359-b01e-97b46193f78d) Message: Default route added Time: 1 hour, 57 minutes ago Metadata: id: exit-****, network: 0.0.0.0/0, peer: sX/2PlPXLgzQaIyILeHBndjuMdHALlzN4WXdcb9Fj1E= [INFO] NETWORK (17d5e15d-9944-4394-b05c-dbc653c1a3bf) Message: Default route removed Time: 1 hour, 53 minutes ago Metadata: id: exit-****, network: 0.0.0.0/0, peer: sX/2PlPXLgzQaIyILeHBndjuMdHALlzN4WXdcb9Fj1E= [INFO] SYSTEM (b45fb82a-d3aa-4436-bb2b-708547ead430) Message: Network deselection changed Time: 1 hour, 53 minutes ago Metadata: all: false, append: false, networks: exit-**** [INFO] SYSTEM (a3f89868-98be-44bb-833b-61867d6c122b) Message: Network selection changed Time: 1 hour, 5 minutes ago Metadata: all: false, append: true, networks: exit-**** [INFO] NETWORK (d47825c3-c230-4b34-9a3f-476414bbd73f) Message: Default route added Time: 1 hour, 5 minutes ago Metadata: id: exit-****, network: 0.0.0.0/0, peer: sX/2PlPXLgzQaIyILeHBndjuMdHALlzN4WXdcb9Fj1E= [INFO] NETWORK (74d3bb5e-e01f-4dc4-abea-ad747dd45bf1) Message: Default route added Time: 1 hour, 5 minutes ago Metadata: id: exit-****, network: 0.0.0.0/0, peer: sX/2PlPXLgzQaIyILeHBndjuMdHALlzN4WXdcb9Fj1E= OS: windows/amd64 Daemon version: 0.57.0 CLI version: 0.57.0 Profile: default Management: Connected to https://netbird.anon-8DL8x.domain:443 Signal: Connected to https://netbird.anon-8DL8x.domain:443 Relays: [stuns:netbird.anon-8DL8x.domain:5349] is Available [rels://netbird-exit-A.anon-8DL8x.domain:443] is Available Nameservers: [8.8.8.8:53, 1.1.1.1:53] for [.] is Available [100.79.1.10:5335, 100.79.1.11:5335, 8.8.8.8:53] for [anon-8DL8x.domain, anon-NXZHG.domain] is Available FQDN: ****.peer.netbird.anon-8DL8x.domain NetBird IP: 100.79.213.197/16 Interface type: Userspace Quantum resistance: false Lazy connection: false Networks: - Forwarding rules: 0 Peers count: 9/9 Connected ``` </details> * Debug bundle: `d1064e6e14a1336c26f7abaf90ce06323515d634e9d4cfc7b50cdb9379ad84ba/8418052e-cb79-4c46-8e3b-e04493708073`

saavagebueno added the triage-needed label 2026-08-05 01:21:35 -04:00

saavagebueno closed this issue

2026-08-05 01:21:35 -04:00

saavagebueno commented

2026-08-05 01:21:35 -04:00

@saule1508 commented on GitHub (Sep 15, 2025):

I believe this is the same as this one: https://github.com/netbirdio/netbird/issues/4069
It was solved for windows and mac, but it is not working on linux

@saule1508 commented on GitHub (Sep 15, 2025): I believe this is the same as this one: https://github.com/netbirdio/netbird/issues/4069 It was solved for windows and mac, but it is not working on linux

saavagebueno commented

2026-08-05 01:21:35 -04:00

@qay21 commented on GitHub (Oct 3, 2025):

I can confirm that we have the problem as of today with laptops on Linux using an exit node in our private cloud, emulating some kind of "road warrior" VPN. As soon as the exit node is enabled on the client, the connection drops to relayed. Disabling the exit node makes the connection pop back up to P2P.

This behavior is not observed on Android nodes.

@qay21 commented on GitHub (Oct 3, 2025): I can confirm that we have the problem as of today with laptops on Linux using an exit node in our private cloud, emulating some kind of "road warrior" VPN. As soon as the exit node is enabled on the client, the connection drops to relayed. Disabling the exit node makes the connection pop back up to P2P. This behavior is not observed on Android nodes.

saavagebueno commented

2026-08-05 01:21:35 -04:00

@lepazca commented on GitHub (Nov 6, 2025):

I’m also experiencing this issue. As soon as I start using the exit node, all connections to peers switch from P2P to Relayed, including the connection to the peer acting as the exit node itself. Running on a self-hosted setup here.

Edit: adding debug bundle
c04854b95ffd40870e1dff93227236c1cce3c359fdeb83899a046975941e66e7/81f7c53d-ecc6-4266-bece-6354724505c7

@lepazca commented on GitHub (Nov 6, 2025): I’m also experiencing this issue. As soon as I start using the exit node, all connections to peers switch from P2P to Relayed, including the connection to the peer acting as the exit node itself. Running on a self-hosted setup here. Edit: adding debug bundle `c04854b95ffd40870e1dff93227236c1cce3c359fdeb83899a046975941e66e7/81f7c53d-ecc6-4266-bece-6354724505c7`

saavagebueno commented

2026-08-05 01:21:35 -04:00

@davidchi2020 commented on GitHub (Nov 7, 2025):

I am experiencing the same issue. I deployed the NetBird management server using a self-hosted setup, with Node A and Node B installed on CentOS 9. Initially, I established a direct P2P connection between them. However, when I configured Node A as an exit node and advertised the default route to Node B, their connection switched to a relayed mode. After disabling the exit node setting, the connection returned to P2P.

Then, I added two routes on Node B, directing the IP of the NetBird management platform and the public IP of Node A to the next-hop address and physical network interface specified by the system’s default route. After reconfiguring the exit node, everything worked correctly, and the connection remained in P2P state.

When checking the routing rules using the ip rule command, I noticed that rule 110 matches all traffic not marked with 0x1bd00 and queries the NetBird routing table. My understanding is that the NetBird client should mark management traffic—such as communication with the NetBird management platform and connections to other peers—with the 0x1bd00 tag, so that it bypasses rule 110 and matches the default route in the system’s main routing table. However, in practice, the traffic does not seem to be handled as expected. I suspect that the NetBird client on CentOS may not be correctly marking the management or encapsulated traffic, or the system is not processing the marked traffic properly.

Although I temporarily resolved the issue by manually adding routes, I hope this can be fixed in a future release to reduce the need for manual route configuration, which increases workload and is prone to errors.

@davidchi2020 commented on GitHub (Nov 7, 2025): I am experiencing the same issue. I deployed the NetBird management server using a self-hosted setup, with Node A and Node B installed on CentOS 9. Initially, I established a direct P2P connection between them. However, when I configured Node A as an exit node and advertised the default route to Node B, their connection switched to a relayed mode. After disabling the exit node setting, the connection returned to P2P. Then, I added two routes on Node B, directing the IP of the NetBird management platform and the public IP of Node A to the next-hop address and physical network interface specified by the system’s default route. After reconfiguring the exit node, everything worked correctly, and the connection remained in P2P state. When checking the routing rules using the ip rule command, I noticed that rule 110 matches all traffic not marked with 0x1bd00 and queries the NetBird routing table. My understanding is that the NetBird client should mark management traffic—such as communication with the NetBird management platform and connections to other peers—with the 0x1bd00 tag, so that it bypasses rule 110 and matches the default route in the system’s main routing table. However, in practice, the traffic does not seem to be handled as expected. I suspect that the NetBird client on CentOS may not be correctly marking the management or encapsulated traffic, or the system is not processing the marked traffic properly. Although I temporarily resolved the issue by manually adding routes, I hope this can be fixed in a future release to reduce the need for manual route configuration, which increases workload and is prone to errors.![mmexport1762491425704.jpg](https://github.com/user-attachments/assets/84ba5436-7ab9-45e8-bc8a-50182e9f4224)

saavagebueno commented

2026-08-05 01:21:35 -04:00

@bcoutts commented on GitHub (Nov 26, 2025):

Experiencing this as well.

@bcoutts commented on GitHub (Nov 26, 2025): Experiencing this as well.

saavagebueno commented

2026-08-05 01:21:36 -04:00

@ASunc commented on GitHub (Dec 19, 2025):

Happens with Netbird cloud also, with fresh client v0.60.8.

@ASunc commented on GitHub (Dec 19, 2025): Happens with Netbird cloud also, with fresh client v0.60.8.

saavagebueno commented

2026-08-05 01:21:36 -04:00

@mlinares1998 commented on GitHub (Dec 27, 2025):

I can confirm this issue on self-hosted Netbird + client v0.60.9.
When using the Exit Node, Netbird routes the Exit Node's public IP through the tunnel itself
This breaks P2P because WireGuard packets to the Exit Node get encapsulated inside the tunnel they're trying to establish. ICE fails so it fallbacks to relay.

Definitely seems related to #4069 as @saule1508 said.

My Self-Hosted + Exit node is a Debian 13 VM on Hetzner Cloud.

My client remote client has CachyOS (Arch Linux), didn't tested with mobile clients.

@mlinares1998 commented on GitHub (Dec 27, 2025): I can confirm this issue on self-hosted Netbird + client v0.60.9. When using the Exit Node, Netbird routes the Exit Node's public IP through the tunnel itself This breaks P2P because WireGuard packets to the Exit Node get encapsulated inside the tunnel they're trying to establish. ICE fails so it fallbacks to relay. Definitely seems related to #4069 as @saule1508 said. My Self-Hosted + Exit node is a Debian 13 VM on Hetzner Cloud. My client remote client has CachyOS (Arch Linux), didn't tested with mobile clients.

saavagebueno commented

2026-08-05 01:21:36 -04:00

@rkleivel commented on GitHub (Feb 25, 2026):

I also experience this on Ubuntu 24.04, version 0.65.3

@rkleivel commented on GitHub (Feb 25, 2026): I also experience this on Ubuntu 24.04, version 0.65.3

saavagebueno commented

2026-08-05 01:21:36 -04:00

@Blackclaws commented on GitHub (Mar 20, 2026):

Yeah this is definitely not solved for linux clients at the very least. @lixmal @nazarewk Can we get some views on this?

With an exit node peer that doesn't itself have a local ip set to a public ip address on the internet the connection to the exit node peer itself will switch to relayed even if it was P2P before the 0.0.0.0/0 route got added even for established connections.

I get that this is a potentially hard problem to accurately solve, potentially one solution would be an exclusion feature where you can route a network but exclude certain addresses from it (such as the public ips of the exit node). But then again even for exit nodes you probably don't want netbird traffic to flow through those unless there is a good reason to because you might prefer P2P connections to other netbird peers instead that don't route through the Exit node.

@Blackclaws commented on GitHub (Mar 20, 2026): Yeah this is definitely not solved for linux clients at the very least. @lixmal @nazarewk Can we get some views on this? With an exit node peer that doesn't itself have a local ip set to a public ip address on the internet the connection to the exit node peer itself will switch to relayed even if it was P2P before the 0.0.0.0/0 route got added even for established connections. I get that this is a potentially hard problem to accurately solve, potentially one solution would be an exclusion feature where you can route a network but exclude certain addresses from it (such as the public ips of the exit node). But then again even for exit nodes you probably _don't_ want netbird traffic to flow through those unless there is a good reason to because you might prefer P2P connections to other netbird peers instead that don't route through the Exit node.

saavagebueno commented

2026-08-05 01:21:36 -04:00

@lixmal commented on GitHub (Mar 20, 2026):

@Blackclaws Linux clients don't suffer from the same class of problem because they can use separate routing tables (see https://github.com/netbirdio/netbird/issues/4503#issuecomment-3500758973). There's always a chance the kernel has a bug or some setup failed. Can you provide a debug bundle (upload key) of the client please?

@lixmal commented on GitHub (Mar 20, 2026): @Blackclaws Linux clients don't suffer from the same class of problem because they can use separate routing tables (see https://github.com/netbirdio/netbird/issues/4503#issuecomment-3500758973). There's always a chance the kernel has a bug or some setup failed. Can you provide a debug bundle (upload key) of the client please?

saavagebueno commented

2026-08-05 01:21:36 -04:00

@Blackclaws commented on GitHub (Mar 20, 2026):

I've got a number of bundles for you:

Two scenarios:

Exit node used just for 8.8.8.8/32:
Client: e3993203b04ea268eac8f84cb81cd97722d7b59fc2574d8bdb118d23bca17c4f/c2682c7a-3ce3-4897-8a7e-c2081a75286d
Exit node: e3993203b04ea268eac8f84cb81cd97722d7b59fc2574d8bdb118d23bca17c4f/d3fea916-d7a2-4cbf-af09-6c44c9d00dce

Exit node used for 0.0.0.0/0:
Client: e3993203b04ea268eac8f84cb81cd97722d7b59fc2574d8bdb118d23bca17c4f/c9e8e222-731f-48f8-9cd6-ee91e1194f21
Exit node: e3993203b04ea268eac8f84cb81cd97722d7b59fc2574d8bdb118d23bca17c4f/9c236bb8-d5bc-4e14-8b7f-89c235b49530

I'm not sure if the problem is related to the endpoint being unable to figure out what the ip address of the other side would be or something similar but it is indeed happening.

@Blackclaws commented on GitHub (Mar 20, 2026): I've got a number of bundles for you: Two scenarios: Exit node used just for 8.8.8.8/32: Client: e3993203b04ea268eac8f84cb81cd97722d7b59fc2574d8bdb118d23bca17c4f/c2682c7a-3ce3-4897-8a7e-c2081a75286d Exit node: e3993203b04ea268eac8f84cb81cd97722d7b59fc2574d8bdb118d23bca17c4f/d3fea916-d7a2-4cbf-af09-6c44c9d00dce Exit node used for 0.0.0.0/0: Client: e3993203b04ea268eac8f84cb81cd97722d7b59fc2574d8bdb118d23bca17c4f/c9e8e222-731f-48f8-9cd6-ee91e1194f21 Exit node: e3993203b04ea268eac8f84cb81cd97722d7b59fc2574d8bdb118d23bca17c4f/9c236bb8-d5bc-4e14-8b7f-89c235b49530 I'm not sure if the problem is related to the endpoint being unable to figure out what the ip address of the other side would be or something similar but it is indeed happening.

saavagebueno commented

2026-08-05 01:21:36 -04:00

@carefreecaribou commented on GitHub (May 4, 2026):

I wanted to add I experience this same issue. If the debug files listed above did not reveal any insight:
Debug Bundle using an exit node, routing 0.0.0.0/0 as the poster above. The initial connection shows p2p, and after the initial selection of the exit node, reverts to a relayed connection.

This is a client debug log: I could make a exit node log if requested too.
c5b6694d62662cd760abac273dc31fbcb799a74539ad870c38fe7aa9d46df15d/0051c4d6-7a78-4e63-afca-eb81b0639e6e

@carefreecaribou commented on GitHub (May 4, 2026): I wanted to add I experience this same issue. If the debug files listed above did not reveal any insight: Debug Bundle using an exit node, routing 0.0.0.0/0 as the poster above. The initial connection shows p2p, and after the initial selection of the exit node, reverts to a relayed connection. This is a client debug log: I could make a exit node log if requested too. c5b6694d62662cd760abac273dc31fbcb799a74539ad870c38fe7aa9d46df15d/0051c4d6-7a78-4e63-afca-eb81b0639e6e

saavagebueno commented

2026-08-05 01:21:36 -04:00

@lixmal commented on GitHub (May 5, 2026):

Can you please test this PR/build and report whether it fixes the issue

@lixmal commented on GitHub (May 5, 2026): Can you please test this [PR/build](https://github.com/netbirdio/netbird/pull/6070#issuecomment-4378157670) and report whether it fixes the issue

saavagebueno commented

2026-08-05 01:21:36 -04:00

@carefreecaribou commented on GitHub (May 5, 2026):

Can you please test this PR/build and report whether it fixes the issue

After testing, this build fixed the issue. I have not noticed any regression in the connection from P2P to relayed.

@carefreecaribou commented on GitHub (May 5, 2026): > Can you please test this [PR/build](https://github.com/netbirdio/netbird/pull/6070#issuecomment-4378157670) and report whether it fixes the issue After testing, this build fixed the issue. I have not noticed any regression in the connection from P2P to relayed.

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Reference: DYNR/netbird#9281