Skip to main content
Version: Next 🚧

bootnode CLI Command

Run a discv5 bootnode. This will NOT perform any beacon node functions, rather, it will run a discv5 service that allows nodes on the network to discover one another.

bootnode Options​

--dataDir​

Lodestar root data directory

type: string

--network​

Name of the Ethereum Consensus chain network to join

type: string

choices: "mainnet", "gnosis", "sepolia", "hoodi", "chiado", "ephemery", "dev"

default: "mainnet"

--paramsFile​

Network configuration file

type: string

--rcConfig​

RC file to supplement command line args, accepted formats: .yml, .yaml, .json

type: string

--supernode​

Subscribe to and custody all data column sidecar subnets

type: boolean

--semiSupernode​

Subscribe to and custody half of the data column sidecar subnets to support blob reconstruction, enabling more efficient data availability with lower bandwidth and storage requirements compared to a supernode.

type: boolean

--listenAddress​

The IPv4 address to listen for discv5 connections

type: string

default: "0.0.0.0"

--port​

The UDP port to listen on

type: number

default: 9000

--listenAddress6​

The IPv6 address to listen for discv5 connections

type: string

default: "::"

--port6​

The UDP port to listen on

type: number

default: 9000

--bootnodes​

Additional bootnodes for discv5 discovery

type: string[]

default: [ "[]" ]

--bootnodesFile​

Additional bootnodes for discv5 discovery file path

type: string

--persistNetworkIdentity​

Whether to reuse the same peer-id across restarts

type: boolean

default: true

--enr.ip​

Override ENR IP entry

type: string

--enr.udp​

Override ENR UDP entry

type: number

--enr.ip6​

Override ENR IPv6 entry

type: string

--enr.udp6​

Override ENR (IPv6-specific) UDP entry

type: number

--nat​

Allow ENR configuration of non-local addresses

type: boolean

--logLevel​

Logging verbosity level for emitting logs to terminal

type: string

choices: "error", "warn", "info", "verbose", "debug", "trace"

default: "info"

--logFile​

Path to output all logs to a persistent log file, use 'none' to disable

type: string

--logFileLevel​

Logging verbosity level for emitting logs to file

type: string

choices: "error", "warn", "info", "verbose", "debug", "trace"

default: "debug"

--logFileDailyRotate​

Daily rotate log files, set to an integer to limit the file count, set to 0 (zero) to disable rotation

type: number

default: 5

--metrics​

Enable the Prometheus metrics HTTP server

type: boolean

--metrics.port​

Listen TCP port for the Prometheus metrics HTTP server

type: number

default: 8008

--metrics.address​

Listen address for the Prometheus metrics HTTP server

type: string

default: "127.0.0.1"