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[GH-ISSUE #410] Bandwith Issue #3376

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opened 2026-04-20 07:18:44 -05:00 by GiteaMirror · 1 comment
GiteaMirror commented 2026-04-20 07:18:44 -05:00
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Originally created by @Karsto-sys on GitHub (Mar 26, 2025).
Original GitHub issue: https://github.com/fosrl/pangolin/issues/410

Hello,

I'm encountering bandwidth issues with Pangolin and need help debugging.

I'm running an OpenSpeedTest container on my Unraid setup and expect to achieve a minimum of 150 Mbit/s. However, currently, I'm only getting a maximum of around 40 Mbit/s, occasionally dropping below 2 Mbit/s.

Troubleshooting Attempt

I've attempted to manually check the endpoint with curl and received a 404 error:

root@39809a2dddeb:/# curl http://pangolin:3001/api/v1/gerbil/receive-bandwidth
{"data":null,"success":false,"error":true,"message":"The requests url is not found - /api/v1/gerbil/receive-bandwidth","status":404,"stack":null}

Docker Compose Setup

Here is my Docker Compose configuration:

services:
  pangolin:
    image: fosrl/pangolin:latest
    container_name: pangolin
    restart: unless-stopped
    volumes:
      - ./config:/app/config
    healthcheck:
      test: ["CMD", "curl", "-f", "http://localhost:3001/api/v1/"]
      interval: "3s"
      timeout: "3s"
      retries: 5

  gerbil:
    image: fosrl/gerbil:latest
    container_name: gerbil
    restart: unless-stopped
    depends_on:
      pangolin:
        condition: service_healthy
    command:
      - --reachableAt=http://gerbil:3003
      - --generateAndSaveKeyTo=/var/config/key
      - --remoteConfig=http://pangolin:3001/api/v1/gerbil/get-config
      - --reportBandwidthTo=http://pangolin:3001/api/v1/gerbil/receive-bandwidth
    volumes:
      - ./config/:/var/config
    cap_add:
      - NET_ADMIN
      - SYS_MODULE
    ports:
      - 51820:51820/udp
      - 443:443 # Port for traefik because of the network_mode
      - 80:80 # Port for traefik because of the network_mode

  traefik:
    image: traefik:v3.1
    container_name: traefik
    restart: unless-stopped
    network_mode: service:gerbil
    depends_on:
      pangolin:
        condition: service_healthy
    command:
      - --configFile=/etc/traefik/traefik_config.yml
    environment:
      CF_DNS_API_TOKEN: "<***>"
    volumes:
      - ./config/traefik:/etc/traefik:ro
      - ./config/letsencrypt:/letsencrypt

on my vps i get following speeds:

Download: 2543.84 Mbit/s Upload: 594.26 Mbit/s

I appreciate any guidance on resolving this bandwidth issue. Thank you!

Originally created by @Karsto-sys on GitHub (Mar 26, 2025). Original GitHub issue: https://github.com/fosrl/pangolin/issues/410 Hello, I'm encountering bandwidth issues with Pangolin and need help debugging. I'm running an OpenSpeedTest container on my Unraid setup and expect to achieve a minimum of 150 Mbit/s. However, currently, I'm only getting a maximum of around 40 Mbit/s, occasionally dropping below 2 Mbit/s. ### Troubleshooting Attempt I've attempted to manually check the endpoint with `curl` and received a 404 error: ```shell root@39809a2dddeb:/# curl http://pangolin:3001/api/v1/gerbil/receive-bandwidth {"data":null,"success":false,"error":true,"message":"The requests url is not found - /api/v1/gerbil/receive-bandwidth","status":404,"stack":null} ``` ### Docker Compose Setup Here is my Docker Compose configuration: ```yaml services: pangolin: image: fosrl/pangolin:latest container_name: pangolin restart: unless-stopped volumes: - ./config:/app/config healthcheck: test: ["CMD", "curl", "-f", "http://localhost:3001/api/v1/"] interval: "3s" timeout: "3s" retries: 5 gerbil: image: fosrl/gerbil:latest container_name: gerbil restart: unless-stopped depends_on: pangolin: condition: service_healthy command: - --reachableAt=http://gerbil:3003 - --generateAndSaveKeyTo=/var/config/key - --remoteConfig=http://pangolin:3001/api/v1/gerbil/get-config - --reportBandwidthTo=http://pangolin:3001/api/v1/gerbil/receive-bandwidth volumes: - ./config/:/var/config cap_add: - NET_ADMIN - SYS_MODULE ports: - 51820:51820/udp - 443:443 # Port for traefik because of the network_mode - 80:80 # Port for traefik because of the network_mode traefik: image: traefik:v3.1 container_name: traefik restart: unless-stopped network_mode: service:gerbil depends_on: pangolin: condition: service_healthy command: - --configFile=/etc/traefik/traefik_config.yml environment: CF_DNS_API_TOKEN: "<***>" volumes: - ./config/traefik:/etc/traefik:ro - ./config/letsencrypt:/letsencrypt ``` on my vps i get following speeds: `Download: 2543.84 Mbit/s Upload: 594.26 Mbit/s` I appreciate any guidance on resolving this bandwidth issue. Thank you!
GiteaMirror commented 2026-04-20 07:18:46 -05:00
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@oschwartz10612 commented on GitHub (Mar 30, 2025):

Take a look at https://discord.com/channels/1325658630518865980/1331815966316695613 to see if anything can help.

One of the downsides of doing a user space tunnel on the newt is we give up a little bandwidth...

<!-- gh-comment-id:2764598162 --> @oschwartz10612 commented on GitHub (Mar 30, 2025): Take a look at https://discord.com/channels/1325658630518865980/1331815966316695613 to see if anything can help. One of the downsides of doing a user space tunnel on the newt is we give up a little bandwidth...
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