Running on Bridge Network Leads to Streams Running over WAN instead of LAN

Plex Media Server
1

Hi All,

After getting my new PMS container up and running I noticed that I was streaming data over the internet and not directly from the LAN. I did some reading and it appears to be a common issue, so tried the following recommendations:

  • Modified the Custom URL in Plex settings to 192.168.0.1/24 - Result: Continued streaming over the internet.
  • Accessed the server directly by the IP address 192.168.0.XXX - Result: Works as expected.
  • Changed from using the Bridge Network to Host - Result: Traffick runs over LAN, but is very slow to load details within the GUI (images, metadata, episodes etc), as well as heavily buffering video.
  • Turned off Remote Access - Result: Unable to connect to server from any of my clients.

This is what my docker-compose.yml file looks like as of now.

secrets:
  plex_claim:
    file: ../../secrets/plex_claim

services:
  # Plex - Media Server
  plex:
    image: plexinc/pms-docker:plexpass
    container_name: plex-media-server
    # network_mode: host
    networks:
      - default
    security_opt:
      - no-new-privileges:true
    restart: "unless-stopped"
    # profiles: ["media", "all"]
    devices:
      - /dev/dri:/dev/dri # for hardware transcoding
    ports:
      - "32400:32400/tcp"
      - "3005:3005/tcp"
      - "8324:8324/tcp"
      - "32469:32469/tcp"
      - "1900:1900/udp"
      - "32410:32410/udp"
      - "32412:32412/udp"
      - "32413:32413/udp"
      - "32414:32414/udp"
      #- "33400:33400/tcp"
    volumes:
      - ../../appdata/plexmediaserver/config:/config
      - /mnt/syno-video:/data/media
      # - $EXTDIR/ssd/home-server/downloads:/data/downloads
      # - /dev/shm:/data/transcode # Offload transcoding to RAM if you have enough RAM
    environment:
      TZ: $TZ
      HOSTNAME: 'PlexServer'
      PLEX_CLAIM_FILE: /run/secrets/plex_claim
      PLEX_UID: $PUID
      PLEX_GID: $PGID
      # ADVERTISE_IP: "http://$MEDIASERVER_IP:32400/,http://$ZEROTIER_IP_MEDIASERVER:32400/,https://proxplex.$DOMAINNAME_CLOUD_SERVER"
      # ALLOWED_NETWORKS: 192.168.0.0/24,172.16.0.0/16
    secrets:
      - plex_claim

Does anyone know why I might be experiencing this issue?

Thanks For Your Help

2

After some tinkering, it appears that adding the local IP to the ADVERTISE_IP environment variable resolved the issue.

3

Friend, thank you very much for your feedback on your post, it was of great help today. I was going crazy because my Plex started buffering on the LAN network, while external access was ok.
Thanks!

4

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