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DNS Client and Cache Document revision 1.1 (Mon Mar 22 09:23:47 GMT 2004) This document applies to V Table of Contents Table of Contents Summary Specifications Related Documents Description Additional Documents Client Configuration and Cache Setup Description Property Description Notes Example Cache Monitoring Property Description Static DNS Entries Description Property Description Example Flushing DNS cache Command Description Example <strong>General</strong> <strong>Information</strong> Summary DNS cache is used to minimize DNS requests to an external DNS server as well as to minimize DNS resolution time. This is a simple recursive DNS server with local items. Specifications Packages required: system License required: level1 Home menu level: /ip dns Standards and Technologies: DNS Hardware usage: Not significant Related Documents • Package Management • HotSpot Gateway Page 298 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.
• AAA Description The MikroTik router with DNS cache feature enabled can be set as a primary DNS server for any DNS-compliant clients. Moreover, MikroTik router can be specified as a primary DNS server under its dhcp-server settings. When the DNS cache is enabled, the MikroTik router responds to DNS TCP and UDP requests on port 53. Additional Documents • http://www.freesoft.org/CIE/Course/Section2/3.htm • http://www.networksorcery.com/enp/protocol/dns.htm • RFC1035 Client Configuration and Cache Setup Home menu level: /ip dns Description DNS client is used to provide domain name resolution for router itself as well as for the P2P clients connected to the router. Property Description allow-remote-requests (yes | no) - specifies whether to allow network requests primary-dns (IP address; default: 0.0.0.0) - primary DNS server secondary-dns (IP address; default: 0.0.0.0) - secondary DNS server cache-size (integer: 512..10240; default: 2048 kB) - specifies the size of DNS cache in kB cache-max-ttl (time; default: 7d) - specifies maximum time-to-live for cahce records. In other words, cache records will expire after cache-max-ttl time. cache-used (read-only: integer) - displays the currently used cache size in kB Notes If the property use-peer-dns under /ip dhcp-client is set to yes then primary-dns under /ip dns will change to a DNS address given by DHCP Server. Example To set 159.148.60.2 as the primary DNS server, do the following: [admin@MikroTik] ip dns> set primary-dns=159.148.60.2 [admin@MikroTik] ip dns> print resolve-mode: remote-dns primary-dns: 159.148.60.2 secondary-dns: 0.0.0.0 Page 299 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
Page 260 and 261: appropriate ICMP request icmp-optio
Page 262 and 263: Packet Marking (Mangle) Document re
Page 264 and 265: action (accept | passthrough; defau
Page 266 and 267: How to Mangle NATted Traffic Suppos
Page 268 and 269: • Package Management • M3P Desc
Page 270 and 271: Firewall Filters Document revision
Page 272 and 273: As we can see, a packet can enter t
Page 274 and 275: may be among the slowest. Therefore
Page 276 and 277: Keep in mind, that protocol must be
Page 278 and 279: • Protect the customer's hosts Co
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Page 282 and 283: ip firewall dst-nat add action=nat
Page 284 and 285: Notes Whenever possible, the same i
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Page 288 and 289: Description You can limit peer-to-p
Page 290 and 291: • Then create custom queue type w
Page 292 and 293: • Package Management • IP Addre
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Page 296 and 297: [admin@MikroTik] ip vrrp> address a
Page 298 and 299: Specifications Packages required: s
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Page 308 and 309: Description The wireless protocol I
Page 312 and 313: [admin@MikroTik] ip dns> Cache Moni
Page 314 and 315: Services, Protocols, and Ports Docu
Page 316 and 317: 1719/udp 1720/tcp 1723/tcp 2000/tcp
Page 318 and 319: Example Walled Garden Description P
Page 320 and 321: The HotSpot interface should have a
Page 322 and 323: consulted first, then - a RADIUS se
Page 324 and 325: use transparent web proxy (yes | no
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Page 328 and 329: [admin@MikroTik] ip hotspot profile
Page 330 and 331: ytes-out (read-only: integer) - how
Page 332 and 333: [admin@MikroTik] ip hotspot server>
Page 334 and 335: 1. request for a remote host • if
Page 336 and 337: • popup - whether to pop-up check
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
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Page 350 and 351: Standards and Technologies: DHCP De
Page 352 and 353: • requesting... - the DHCP client
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
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one network address translation so
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mac-address (MAC address) - client'
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Audio CODECs Description Example AA
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The larger the jitter buffer, the l
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find-best-balance - series of test-
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monitor - monitor status of the voi
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(plugged | unplugged) - state of th
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aec (yes | no) - wheteher echo dete
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• to which voice port route the c
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• If nr=112 => matches the record
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• NAS-Port-Type - always Async
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marked as dynamic and can not be re
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egistering endpoint (with IP addres
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VOICE-PORT PREFIX 0 31 rob 31 1 33
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Volume levels : voice volume : 54 i
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call rsvp-sync voice rtp send-recv
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OSPF Document revision 1.3 (Mon Sep
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• if-installed-as-type-1 - send t
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• none - do not use authenticatio
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[admin@MikroTik] routing ospf> inte
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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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