DHCP Mac Only

Surge can provide DHCP service for devices in the local network when Gateway Mode and the related network features are enabled.

Statically assigned IP addresses are automatically excluded from the dynamic address pool, preventing the same address from being allocated to another client. Mac 6.8.0+

DHCP Section Mac 6.5.0+

The [DHCP] section can customize DHCP lease behavior. These parameters are only intended for users with special requirements; the default settings are sufficient in most cases.

[DHCP]
max-lease-time = 86400
default-lease-time = 43200
min-lease-time = 600
one-lease-per-client = true
ping-check = true

Parameters

max-lease-time

Optional, seconds

The maximum lease time.

default-lease-time

Optional, seconds

The default lease time.

min-lease-time

Optional, seconds

The minimum lease time.

one-lease-per-client

Optional, Boolean

When enabled, Surge keeps only one active lease for each client.

ping-check

Optional, Boolean

When enabled, Surge checks whether an address is already in use before assigning it.