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Standards and Technologies: DHCP Description The DHCP protocol gives and allocates IP addresses to IP clients. DHCP is basically insecure and should only be used in trusted networks. DHCP server always listens on UDP 67 port, DHCP client - on UDP 68 port. The initial negotiation involves communication between broadcast addresses (on some phases sender will use source address of 0.0.0.0 and/or destination address of 255.255.255.255). You should be aware of this when building firewall. Additional Documents • ISC Dynamic Host Configuration Protocol (DHCP) • DHCP mini-HOWTO • ISC DHCP FAQ DHCP Client Setup Home menu level: /ip dhcp-client Description The MikroTik RouterOS DHCP client may be enabled on one Ethernet-like interface at a time. The client will accept an address, netmask, default gateway, and two dns server addresses. The received IP address will be added to the interface with the respective netmask. The default gateway will be added to the routing table as a dynamic entry. Should the DHCP client be disabled or not renew an address, the dynamic default route will be removed. If there is already a default route installed prior the DHCP client obtains one, the route obtained by the DHCP client would be shown as invalid. Property Description add-default-route (yes | no; default: yes) - whether to add the default route to the gateway specified by the DHCP server client-id (text) - corresponds to the settings suggested by the network administrator or ISP. Commonly it is set to the client's MAC address, but it may as well be any test string enabled (yes | no; default: no) - whether the DHCP client is enabled host-name (text) - the host name of the client interface (name; default: (unknown)) - any Ethernet-like interface (this includes wireless and EoIP tunnels) use-peer-dns (yes | no; default: yes) - whether to accept the DNS settings advertized by DHCP server (they will appear in /ip dns submenu) Command Description renew - renew current leases. If the renew operation was not successful, client tries to reinitialize lease (i.e. it starts lease request procedure (rebind) as if it had not received an IP address yet) Page 338 of 568 Copyright 1999-2005, MikroTik. All rights reserved. Mikrotik, RouterOS and RouterBOARD are trademarks of Mikrotikls SIA. Other trademarks and registred trademarks mentioned herein are properties of their respective owners.
Notes If host-name property is not specified, client's system identity will be sent in the respective field of DHCP request. If client-id property is not specified, client's MAC address will be sent in the respective field of DHCP request. If use-peer-dns property is enabled, the DHCP client will uncoditionally rewrite the settings in /ip dns submenu. In case two or more DNS servers were received, first two of them are set as primary and secondary servers respectively. In case one DNS server was received, it is put as primary server, and the secondary server is left intact. Example To enable DHCP client on ether1 interface: [admin@MikroTik] ip dhcp-client> set enabled=yes interface=ether1 [admin@MikroTik] ip dhcp-client> print enabled: yes interface: ether1 host-name: "" client-id: "" add-default-route: yes use-peer-dns: yes [admin@MikroTik] ip dhcp-client> DHCP Client Lease Home menu level: /ip dhcp-client lease Description This submenu shows the actual IP address lease received by the client Property Description address (read-only: IP address/mask) - the address received dhcp-server (read-only: IP address) - IP address of the DHCP server that have given out the current lease expires (read-only: text) - expiration time of the lease gateway (read-only: IP address) - the gateway address received primary-dns (read-only: IP address) - the address of the primary DNS server received secondary-dns (read-only: IP address) - the address of the secondary DNS server received status (read-only: "" | searching... | requesting... | bound | renewing... | rebinding...) - the current state of DHCP client: • "" - DHCP client is not enabled • searching... - the DHCP client is searching for DHCP server, but has not yet received an offer Page 339 of 568 Copyright 1999-2005, MikroTik. All rights reserved. Mikrotik, RouterOS and RouterBOARD are trademarks of Mikrotikls SIA. Other trademarks and registred trademarks mentioned herein are properties of their respective owners.
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MikroTik RouterOS v2.8 Reference Ma
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Removing Device Drivers............
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General Information................
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Source NAT.........................
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Router User Groups.................
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LCD Information Display Configurati
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Basic Setup Guide Document revision
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Downloading and Installing the Mikr
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• You shoud have an account on ou
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The list of available commands at a
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Description Interface Management Be
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e assigned. If the setup offers you
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2 DC 10.0.0.0/24 r 0.0.0.0 0 Public
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interface=Local queue=default prior
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Terminal Console Document revision
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[admin@MikroTik] ip route> /ping 10
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Notes Pressing [Tab] key while ente
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edit - this command is in every pla
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Package Management Document revisio
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• Check the information about the
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• Ethernet interface support •
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Specifications Sheet Document revis
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"El Torito" bootable CDs (you might
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Device Driver List Document revisio
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• 3c905B Cyclone 10/100/BNC • 3
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• Macronix 98715 PMAC • Macroni
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Compatibility: • Planet ENW-9601T
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• Olicom OC-2326 VIA vt612x 'Velo
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• Samsung SWL2000-N 11Mbit/s 802.
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• Moxa Smartio C104H/PCI, CP-114,
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Driver Management Document revision
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0xF0-0xFF FPU 0x100-0x13F [prism2_c
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General Interface Settings Document
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Description The traffic passing thr
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Additional Documents • http://www
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The interface should be enabled acc
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1 1.1.1.2/32 1.1.1.1 1.1.1.1 farsyn
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Finally we need to add IP addresses
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• accessing an Intranet/LAN of a
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[admin@MikroTik] interface l2tp-cli
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[admin@MikroTik] interface l2tp-ser
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To route the local Intranets over t
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On the L2TP server a user must be s
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CISCO/Aironet 2.4GHz 11Mbps Wireles
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Try to change the I/O base address
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Troubleshooting Description Keep in
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The default route should be set to
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The second router will have address
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1. Add an IPIP interface (by defaul
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[admin@MikroTik] interface ipip> pr
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Additional Documents • http://www
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MOXA C502 Dual-port Synchronous Int
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Example [admin@MikroTik] interface
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[admin@MikroTik] ip route> print Fl
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Flags: X - disabled, I - invalid, D
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Description VLANs are simply a way
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[admin@MikroTik] interface vlan> pr
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Description Installing the Wireless
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[admin@MikroTik] interface radiolan
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Ethernet interfaces respectively. T
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Flags: X - disabled, R - running 0
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Example with MikroTik Router to Mik
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ISDN (Integrated Services Digital N
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name (name) - name of the driver is
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undle-128K (yes | no; default: yes)
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# NAME SERVICE CALLER-ID PASSWORD P
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[admin@Mikrotik] ip route> add gate
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• For mobile or remote clients to
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10.1.1.12 PPTP server and use it as
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encoding (text) - encryption and en
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To route the local Intranets over t
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On the PPTP server a user must be s
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Wireless Client and Wireless Access
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protocol created to improve point-t
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with Atheros cards. There might be
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• ap-bridge - the interface is op
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wds-mode=disabled wds-default-bridg
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• exact-size - put as much packet
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ap (read-only: no | yes) - whether
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Property Description 2ghz-b-channel
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5305,5310,5315,5320,5325,5330,5335,
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arp (disabled | enabled | proxy-arp
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Description This command is used to
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• none - do not use encryption an
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ssid="test1" frequency=5180 band=5G
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Flags: X - disabled, R - running, D
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select the frequency that is used b
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2. On router with IP address 10.1.0
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To make a secure Ethernet bridge be
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Xpeed SDSL Interface Document revis
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[admin@r1] interface> print Flags:
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• I tried to connect two routers
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To add the driver for Arlan 655 ada
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Obtain the required license for 2.4
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MAC level bridging of Ethernet, Eth
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Always take care not to bridge virt
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designated-cost: 0 -- [Q quit|D dum
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idge firewall, not in forwarded pro
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[admin@MikroTik] ip address> print
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• Log Management Description You
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[admin@MikroTik] interface moxa-c10
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[admin@MikroTik] ip route> print Fl
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Flags: X - disabled, I - invalid, D
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• IP Addresses and ARP • Log Ma
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The driver for the Cyclades PC300/R
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PPPoE Document revision 1.4 (Fri Ap
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License required: level1 (limited t
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uptime (time) - connection time dis
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[admin@MikroTik] interface pppoe-se
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[admin@MT_Prism_AP] interface prism
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PPP and Asynchronous Interfaces Doc
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Example [admin@MikroTik] > /port pr
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Example You can add a PPP client us
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IP Addresses and ARP Document revis
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ether1 or ether2. Example [admin@Mi
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The MikroTik Router setup is as fol
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IP Security Document revision 3.1 (
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associated with matching SPD rule),
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traffic. AH is applied after ESP, a
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Such policies are created dynamical
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auth-algorithm (multiple choice, re
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in-accept: 12 in-accept-isakmp: 0 i
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[admin@Router1] > ip firewall src-n
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• on MikroTik router we can see i
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Routes, Equal Cost Multipath Routin
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dst-address (IP address/mask; defau
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Example There is always a table cal
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Command sequence to achieve this: 1
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Connection Tracking and Service Por
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appropriate ICMP request icmp-optio
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Packet Marking (Mangle) Document re
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action (accept | passthrough; defau
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How to Mangle NATted Traffic Suppos
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• Package Management • M3P Desc
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Firewall Filters Document revision
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As we can see, a packet can enter t
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may be among the slowest. Therefore
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Keep in mind, that protocol must be
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• Protect the customer's hosts Co
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comment="Reject and log everything
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ip firewall dst-nat add action=nat
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Notes Whenever possible, the same i
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Hardware usage: Increases with rule
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Description You can limit peer-to-p
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• Then create custom queue type w
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• Package Management • IP Addre
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The virtual IP addresses should be
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[admin@MikroTik] ip vrrp> address a
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Specifications Packages required: s
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Page 308 and 309: Description The wireless protocol I
Page 310 and 311: DNS Client and Cache Document revis
Page 312 and 313: [admin@MikroTik] ip dns> Cache Moni
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Page 318 and 319: Example Walled Garden Description P
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Page 326 and 327: allow-unencrypted-password=yes and
Page 328 and 329: [admin@MikroTik] ip hotspot profile
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Page 332 and 333: [admin@MikroTik] ip hotspot server>
Page 334 and 335: 1. request for a remote host • if
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Page 338 and 339: href="https://login.server.serv/log
Page 340 and 341: There are two kinds of errors: fata
Page 342 and 343: choose the address ranges, just mak
Page 344 and 345: 13. Add hotspot chain: /ip firewall
Page 346 and 347: As we see from example, only hotspo
Page 348 and 349: DHCP Client and Server Document rev
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Page 354 and 355: dns-server (text) - the DHCP client
Page 356 and 357: [admin@MikroTik] ip dhcp-server lea
Page 358 and 359: # NAME RANGES 0 dhcp_pool1 10.0.0.2
Page 360 and 361: one network address translation so
Page 362 and 363: mac-address (MAC address) - client'
Page 364 and 365: Audio CODECs Description Example AA
Page 366 and 367: The larger the jitter buffer, the l
Page 368 and 369: find-best-balance - series of test-
Page 370 and 371: monitor - monitor status of the voi
Page 372 and 373: (plugged | unplugged) - state of th
Page 374 and 375: aec (yes | no) - wheteher echo dete
Page 376 and 377: • to which voice port route the c
Page 378 and 379: • If nr=112 => matches the record
Page 380 and 381: • NAS-Port-Type - always Async
Page 382 and 383: marked as dynamic and can not be re
Page 384 and 385: egistering endpoint (with IP addres
Page 386 and 387: VOICE-PORT PREFIX 0 31 rob 31 1 33
Page 388 and 389: Volume levels : voice volume : 54 i
Page 390 and 391: call rsvp-sync voice rtp send-recv
Page 392 and 393: OSPF Document revision 1.3 (Mon Sep
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OSPF backup without using a tunnel
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Set redistribute-connected as as-ty
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We should change cost value in both
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0 Io 192.168.0.0/24 110 1 DC 192.16
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Packages required: routing License
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eceive (v1 | v1-2 | v2; default: v2
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Example To view the list of the rou
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[admin@MikroTik] routing rip> • C
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Related Documents • Package Manag
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[admin@modux] routing bgp network>
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Prefix Lists Document revision 1.2
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To accept the routes to the 172.16.
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Example Example Local IP Traffic Ac
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Notes There are three system groups
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Router User Remote AAA Home menu le
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To add the profile ex that will ass
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RADIUS user database is consulted o
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7 159.148.172.197 192.168.0.2 835 1
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timeouts: 5 bad-replies: 0 last-req
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• Session-Timeout - overrides ses
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• Acct-Output-Packets - number of
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OK:...", but the user cannot log on
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To use a Certificate (which contain
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equirements of your CA Example To i
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There you can delete unnecessary fi
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The Ping Command Command name: /pin
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Bandwidth Control Document revision
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you put no limit and choose all cla
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than burst-threshold. This type of
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[admin@MikroTik] queue interface> C
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Example To mark all the traffic goi
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[admin@MikroTik] queue simple> prin
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max-limit=131072 And the same for L
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3. Add a queue tree rule that will
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Configuration Export and Import Doc
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Home menu level: /import Descriptio
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• No Set support • No Trap supp
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• /system resource Example To see
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ip.ipNetToMediaTable.ipNetToMediaEn
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Description MRTG (Multi Router Traf
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MAC Telnet Server and Client Docume
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Ping Document revision 08-Jun-2004
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Example To disable MAC pings: [admi
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Additional Documents • DNS relate
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interface (name) - the name of the
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Bandwidth Test Document revision 1.
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[admin@MikroTik] tool bandwidth-ser
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Packet Sniffer Document revision 1.
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filter-address1 and filter-address2
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• ospf - Open Shortest Path First
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Packet Sniffer Host Home menu level
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Traceroute Document revision 1.2 (F
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ICMP Bandwidth Test Document revisi
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System Resource Management Document
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IRQ Usage Monitor Command name: /sy
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7 00:0e.0 Atheros Communications AR
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[admin@Gateway] system clock> print
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How to Connect PowerTip LCD to a Pa
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[admin@MikroTik] system lcd> print
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Support Output File Document revisi
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SSH (Secure Shell) Server and Clien
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SSH Client Command name: /system ss
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General Information Command name: /
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• http://www.ctsystems.org/rs.htm
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To connect to a device connected to
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• Precise Positioning Service (PP
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Scripting Host and Complementary To
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License required: level1 Home menu
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[admin@MikroTik] ip address> /user
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* - multiplication. Binary operator
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[admin@MikroTik] interface> :put (~
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Local Variables g1=this is global v
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In the example below monitor action
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Home menu level: /system script job
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Specifications Packages required: s
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[admin@MikroTik] system script> ..
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Specifications Packages required: a
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In the following example we will ad
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Packages required: ups License requ
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Runtime Calibration Command name: /
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NTP (Network Time Protocol) Documen
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• synchronized - local clock is s
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RouterBoard-specific functions Docu
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Firmware upgrade can take up to 20s
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LED Managment Command name: :led De
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License Management Document revisio
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can not move license on another har
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• ERROR: Key for specified softwa
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MikroTik RouterOS implements indust
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Router has several global configura
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Notes print command has the followi
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