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In preparation for the upcoming Clear UDP traffic decommission, this guide helps verify that a Monad node is properly configured for Authenticated UDP. It checks that the node’s configuration and peer settings fully support Auth UDP operation.

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Steps

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1. Install yq (tomlq tool)

sudo apt-get update && sudo apt-get install -y yq

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2. Run the configuration validation script

MF_BUCKET=https://bucket.monadinfra.com
curl -fsSL $MF_BUCKET/scripts/validate-auth-udp-config.sh | bash -s -
Example output: 
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Checking monad client configuration...

Node name        : my-node
Node config file : /home/monad/monad-bft/config/node.toml
Peers file       : /home/monad/monad-bft/config/peers.toml

peer_discovery.self_auth_port = 8001 ✔
bootstrap.peers[1] address=64.31.29.190:8000 auth_port=8001 ✔
bootstrap.peers[2] address=64.31.53.173:8000 auth_port=8001 ✔
bootstrap.peers[3] address=208.115.197.25:8000 auth_port=8001 ✔
bootstrap.peers[4] address=64.130.52.235:8000 auth_port=8001 ✔
bootstrap.peers[5] address=64.130.56.50:8000 auth_port=8001 ✔
bootstrap.peers[6] address=64.130.49.148:8000 auth_port=8001 ✔
bootstrap.peers[7] address=69.162.93.53:8000 auth_port=8001 ✔
bootstrap.peers[8] address=185.189.46.19:8001 auth_port=8001 ✔

Current peers (depends on the network):
Auth UDP          : 166
Clear UDP         : 25
Total             : 191

✔ Configuration is Auth UDP compliant, and ready for Clear UDP decommission.

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If the configuration is not Auth UDP compliant

Please consider the following steps:
  • Follow the Auth UDP guide
  • Verify the bootnode peers configuration are updated
  • Ensure the upstream/downstream connections (validator <> dedicated/prioritized full node) are using Auth UDP
    • If the remote peer already supports Auth UDP, the script should locate the corresponding record in peers.toml and print the expected configuration.
    • If the remote peer is still using Clear UDP, the script will not find a matching record. In this case, contact the remote peer operator to request Auth UDP activation and the new name record signature.