MikroTik RouterOS v2.9 Reference Manual page 498

the receive rate). 0 if unlimited
• Session-Timeout - max lease time (lease-time)
Property Description
add-arp ( yes | no ; default: no ) - whether to add dynamic ARP entry:
• no - either ARP mode should be enabled on that interface or static ARP entries should be
administratively defined in /ip arp submenu
address-pool ( name | static-only ; default: static-only ) - IP pool, from which to take IP addresses
for clients
• static-only - allow only the clients that have a static lease (i.e. no dynamic addresses will be
given to clients, only the ones added in lease submenu)
always-broadcast ( yes | no ; default: no ) - always send replies as broadcasts
authoritative ( after-10sec-delay | after-2sec-delay | no | yes ; default: after-2sec-delay ) - whether
the DHCP server is the only one DHCP server for the network
• after-10sec-delay - to clients request for an address, dhcp server will wait 10 seconds and if
there is another request from the client after this period of time, then dhcp server will offer the
address to the client or will send DHCPNAK, if the requested address is not available from this
server
• after-2sec-delay - to clients request for an address, dhcp server will wait 2 seconds and if there
is another request from the client after this period of time, then dhcp server will offer the
address to the client or will send DHCPNAK, if the requested address is not available from this
server
• no - dhcp server ignores clients requests for addresses that are not available from this server
• yes - to clients request for an address that is not available from this server, dhcp server will send
negative acknowledgment (DHCPNAK)
bootp-support ( none | static | dynamic ; default: static ) - support for BOOTP clients
• none - do not respond to BOOTP requests
• static - offer only static leases to BOOTP clients
• dynamic - offer static and dynamic leases for BOOTP clients
delay-threshold ( time ; default: none ) - if secs field in DHCP packet is smaller than
delay-threshold, then this packet is ignored
• none - there is no threshold (all DHCP packets are processed)
interface ( name ) - Ethernet-like interface name
lease-time ( time ; default: 72h ) - the time that a client may use an address. The client will try to
renew this address after a half of this time and will request a new address after time limit expires
name ( name ) - reference name
ntp-server ( text ) - the DHCP client will use these as the default NTP servers. Two
comma-separated NTP servers can be specified to be used by DHCP client as primary and
secondary NTP servers
relay ( IP address ; default: 0.0.0.0 ) - the IP address of the relay this DHCP server should process
requests from:
• 0.0.0.0 - the DHCP server will be used only for direct requests from clients (no DHCP really
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