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Manual:IP/DHCP Server
1
Manual:IP/DHCP Server
Applies to RouterOS:
v3, v, v5+
Summary
Standards: RFC 2131, RFC 3315, RFC 3633
Package: dhcp
The DHCP (Dynamic Host Configuration Protocol) is needed for easy distribution of IP addresses in a network. The
MikroTik RouterOS implementation includes both server and client parts and is compliant with RFC The router supports an individual server for each Ethernet-like interface. The MikroTik RouterOS DHCP server supports the basic functions of giving each requesting client an IP address/netmask lease, default gateway, domain name, DNS-server(s) and WINS-server(s) (for Windows clients) information (setup in the DHCP networks submenu)
In order DHCP server to work, you must setup also IP pools (do not include the DHCP server's own IP address into the pool range) and DHCP networks.
It is also possible to handout leases for DHCP clients using the RADIUS server, here are listed the parameters for used in RADIUS server.
Access-Request:
•• NAS-Identifier - router identity
•• NAS-IP-Address - IP address of the router itself
•• NAS-Port - unique session ID
•• NAS-Port-Type - Ethernet
•• Calling-Station-Id - client identifier (active-client-id)
•• Framed-IP-Address - IP address of the client (active-address)
•• Called-Station-Id - name of DHCP server
•• User-Name - MAC address of the client (active-mac-address)
•• Password - ""
Access-Accept:
•• Framed-IP-Address - IP address that will be assigned to client
•• Framed-Pool - ip pool from which to assign ip address to client
•• Rate-Limit - Datarate limitation for DHCP clients. Format is rx-rate[/tx-rate] [rx-burst-rate[/tx-burst-rate]
[rx-burst-threshold[/tx-burst-threshold] [rx-burst-time[/tx-burst-time][priority] [rx-rate-min[/tx-rate-min]]]]. All rates should be numbers with optional 'ks) or 'Ms. If tx-rate is not specified, rx-rate is as tx-rate too. Same goes for tx-burst-rate and tx-burst-threshold and tx-burst-time. If both rx-burst-threshold and tx-burst-threshold are not specified (but burst-rate is specified, rx-rate and tx-rate are used as burst thresholds. If both rx-burst-time and tx-burst-time are not specified, sis used as default. Priority takes values 1..8, where implies the highest priority, but 8 - the lowest. If rx-rate-min and tx-rate-min are not specified rx-rate and tx-rate values are used. The rx-rate-min and tx-rate-min values cannot exceed rx-rate and tx-rate values.
•• Ascend-Data-Rate - tx/rx data rate limitation if multiple attributes are provided, first limits tx data rate, second - rx data rate. If used together with Ascend-Xmit-Rate, specifies rx rate. 0 if unlimited


Manual:IP/DHCP Server
2
•• Ascend-Xmit-Rate - tx data rate limitation. It maybe used to specify tx limit only instead of sending two sequential Ascend-Data-Rate attributes (in that case Ascend-Data-Rate will specify the receive rate. 0 if unlimited
•• Session-Timeout - max lease time (lease-time)


Quick setup guide
Generalsub-menu:
Propertydescription
Leasessub-menu:
Propertiesproperty
Read only properties
Menu specific commands

Directory: eprints


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