coap_config.yaml

# An example COAP config file
# Syntax is YAML

# Protocol section

# The default CoAP port for normal CoAP communication (not secure).
defaultPort: 5683

# The default CoAP port for secure CoAP communication (coaps).
defaultSecurePort: 5684

# The default CoAP port for HTTP.(Not currently supported)
httpPort: 8080

# The initial time (ms) for a CoAP message.
ackTimeout: 3000

# The initial timeout time is multiplied by this random number.
ackRandomFactor: 1.5

# The retransmission timeout is multiplied by this factor.
ackTimeoutScale: 2.0

# The maximum times that a message would be retransmitted.
maxRetransmit: 8

# Maximum size of a block-wise message.
maxMessageSize: 1024

# Default block size used for block-wise transfers.
preferredBlockSize: 512

# Timeout(ms) for block-wise transfers.
blockwiseStatusLifetime: 60000

# Randomises endpoint id generation if true, starts from 0 if false.
useRandomIDStart: true

# Notification parameters used in observability processing.
notificationMaxAge: 128000 # ms
notificationCheckIntervalTime: 86400000 # ms
notificationCheckIntervalCount: 100 # ms
notificationReregistrationBackoff: 2000 # ms

# The deduplication algorithm to use.
# MarkAndSweep for a Mark and Sweep deduplication.
# CropRotation for a Crop Rotation deduplication.
# Noop for no deduplication(not recommended, use only if you are sure).
deduplicator: "MarkAndSweep"

# Crop rotation period(ms) for Crop Rotation deduplication.
cropRotationPeriod: 2000

# Lifetime(ms) of messages before Mark and Sweep deduplication removes them.
exchangeLifetime: 1247000 # 20.783 minutes.

# Interval(ms) between successive Mark and Sweep deduplication runs.
markAndSweepInterval: 10000

# Maximum packet size for a receive channel(not currently used).
channelReceivePacketSize: 2048

# DTLS section

dtls:
  backend: null # Not used
  verify: false # Verify certificate chains
  withTrustedRoots: false # Use trusted roots
  ciphers: null # A list of ciphers, see the [OpenSSL documentation] for more information on this.