Connectivity Mod (1.21.1, 1.20.1) is a technical mod designed to address various issues with network connections to a server (or local game), including problems like login timeouts, DecoderException (decoding exceptions), packet size limits, ghost blocks, payload being too large, and others

The mod also includes several commands to display network connection statistics:

  • /connectivity packetsClient
  • /connectivity packetsAllPlayers
  • /connectivity packetsPlayer Dev
  • /connectivity packetsSummary

Features:

  • Resolves issues like login timeouts, DecoderException errors, packet size limits, ghost blocks, and payload size errors.
  • Provides detailed logs for debugging network-related problems.
  • Includes commands to analyze network traffic, such as:
    • /connectivity packetsClient for outgoing traffic.
    • /connectivity packetsAllPlayers for traffic of all players.
    • /connectivity packetsPlayer Dev for specific player traffic.
    • /connectivity packetsSummary for total traffic statistics.
  • Can be installed on either the client or server, offering flexibility for multiplayer setups.

Screenshots:

Requires:

Minecraft Forge or Fabric API or NeoForge Installer

How to install:

How To Download & Install Mods with Minecraft Forge

How To Download & Install Fabric Mods

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Connectivity Mod (1.21.1, 1.20.1) Download Links

For Minecraft 1.16.5

Forge Version: Download from Server 1

For Minecraft 1.17.1

Forge Version: Download from Server 1

For Minecraft 1.18.2

Forge Version: Download from Server 1

Fabric Version: Download from Server 1

For Minecraft 1.19

Forge Version: Download from Server 1

Fabric Version: Download from Server 1

For Minecraft 1.19.2, 1.19.1

Forge Version: Download from Server 1

Fabric Version: Download from Server 1

For Minecraft 1.19.3

Forge Version: Download from Server 1 – Download from Server 2

Fabric Version: Download from Server 1 – Download from Server 2

For Minecraft 1.19.4

Forge Version: Download from Server 1 – Download from Server 2

For Minecraft 1.20.1, 1.20

Forge Version: Download from Server 1 – Download from Server 2

Fabric Version: Download from Server 1 – Download from Server 2

For Minecraft 1.20.2

Fabric Version: Download from Server 1 – Download from Server 2

For Minecraft 1.21.1, 1.21

NeoForge Version: Download from Server 1 – Download from Server 2

Fabric Version: Download from Server 1 – Download from Server 2

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