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Network module

Property
Env Variable
Description
Default
ActivePeersMaxCount
NETHERMIND_NETWORKCONFIG_ACTIVEPEERSMAXCOUNT
[OBSOLETE](Use MaxActivePeers instead) Max number of connected peers.
50
Bootnodes
NETHERMIND_NETWORKCONFIG_BOOTNODES
Bootnodes
DiagTracerEnabled
NETHERMIND_NETWORKCONFIG_DIAGTRACERENABLED
Enabled very verbose diag network tracing files for DEV purposes (Nethermind specific)
false
DiscoveryDns
NETHERMIND_NETWORKCONFIG_DISCOVERYDNS
Use tree is available through a DNS name. Keep it empty for the default of {chainName}.ethdisco.net
null
DiscoveryPort
NETHERMIND_NETWORKCONFIG_DISCOVERYPORT
UDP port number for incoming discovery connections. Keep same as TCP/IP port because using different values has never been tested.
30303
EnableUPnP
NETHERMIND_NETWORKCONFIG_ENABLEUPNP
Enable automatic port forwarding via UPnP
false
ExternalIp
NETHERMIND_NETWORKCONFIG_EXTERNALIP
Use only if your node cannot resolve external IP automatically.
null
LocalIp
NETHERMIND_NETWORKCONFIG_LOCALIP
Use only if your node cannot resolve local IP automatically.
null
MaxActivePeers
NETHERMIND_NETWORKCONFIG_MAXACTIVEPEERS
Same as ActivePeersMaxCount.
50
MaxNettyArenaCount
NETHERMIND_NETWORKCONFIG_MAXNETTYARENACOUNT
[TECHNICAL] Defines maximum netty arena count. Increasing this on high core machine without increasing memory budget may reduce chunk size so much that it causes significant netty huge allocation.
8
NettyArenaOrder
NETHERMIND_NETWORKCONFIG_NETTYARENAORDER
[TECHNICAL] Defines the size of a netty arena order. Default depends on memory hint.
-1
OnlyStaticPeers
NETHERMIND_NETWORKCONFIG_ONLYSTATICPEERS
If set to 'true' then no connections will be made to non-static peers.
false
P2PPort
NETHERMIND_NETWORKCONFIG_P2PPORT
TPC/IP port number for incoming P2P connections.
30303
PriorityPeersMaxCount
NETHERMIND_NETWORKCONFIG_PRIORITYPEERSMAXCOUNT
Max number of priority peers. Can be overwritten by value from plugin config.
0
StaticPeers
NETHERMIND_NETWORKCONFIG_STATICPEERS
List of nodes for which we will keep the connection on. Static nodes are not counted to the max number of nodes limit.
null