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RoMON stands for "Router Management Overlay Network". RoMON works by establishing an independent MAC layer peer discovery and data forwarding network. RoMON packets are encapsulated with EtherType 0x88bf and DST-MAC 01:80:c2:00:88:bf and its network operate independently from of L2 or L3 forwarding configuration. When RoMON is enabled, any received RoMON packets will not be displayed by sniffer or torch tools.
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RoMON protocol does not provide encryption services. Encryption is provided at the "application" level, by e.g. using ssh or by using a secure WinboxWinBox.
Secrets
RoMON protocol secrets are used for message authentication, integrity check and replay prevention by means of hashing message contents with MD5.
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[admin@MikroTik] > /tool/romon/discover Flags: A - active Columns: ADDRESS, COStCOST, HopsHOPS, PATH, L2MTuL2MTU, IDENTITY, VERSION, BOARD ADDRESS COS H PATH L2MT IDENTITY VERSION BOARD A 6C:3B:6B:48:0E:8B 200 1 6C:3B:6B:48:0E:8B 1500 hEX 6.47beta7 RB750Gr3 A 6C:3B:6B:ED:83:69 200 1 6C:3B:6B:ED:83:69 1500 CCR1009 6.47beta7 CCR1009-7G-1C-1S+ A B8:69:F4:B3:1B:D2 200 1 B8:69:F4:B3:1B:D2 1500 4K11 6.47beta7 RB4011iGS+5HacQ2HnD A CC:2D:E0:26:22:4D 200 1 CC:2D:E0:26:22:4D 1500 CCR1036 6.47beta7 CCR1036-8G-2S+ A CC:2D:E0:8D:01:88 200 1 CC:2D:E0:8D:01:88 1500 CRS328 6.47beta7 CRS328-24P-4S+ A E4:8D:8C:1C:D3:0E 200 1 E4:8D:8C:1C:D3:0E 1500 MikroTik 6.47beta7 RB2011iLS A E4:8D:8C:49:49:DB 200 1 E4:8D:8C:49:49:DB 1500 hAP 6.47beta7 RB962UiGS-5HacT2HnT |
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[admin@MikroTik] > /tool/romon/port/print Flags: * - default Columns: INTERFaceINTERFACE, FOrbidFORBID, COStCOST # INTERF FO COS 0 * all no 100 1 ether7 no 200 |
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[admin@MikroTik] > /tool/romon/ssh 6C:3B:6B:48:0E:8B |
Run RoMON in
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WinBox by using CLI
In order to establish the RoMON session directly by using the command line on a computer, you must specify RoMON agents and desired routers addresses. RoMON agent must be saved on Managed routers list in Winbox WinBox in order to make a successful connection:
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winbox.exe --romon 192.168.88.1 6C:3B:6B:48:0E:8B admin "" |
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