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[amirf]

hello all , i have problems with connecting routerboard to my switch d-link DIR-619 L.when i set my switch to access point or all other modes like wireless router and ... , the link of my routerboard goes up and down like the picture below and when i ping my routerboard 192.168.1.1 , it gives me timed out when the link goes up and down.one of my friend told me to turn off the DHCP of switch to avoid DHCP conflict with routerboard but did not help.can anyone help me please?
Switch : D-Link DIR-619L (Firmware version 2)
Routerboard : SXT 5Hnd mikrotik (Routeros version 5.25)

[FurryNutz]

Link>Welcome!

• What Hardware version is your router? Look at sticker under the router case.
• Link>What Firmware version is currently loaded? Found on the routers web page under status.
• What region are you located?

Internet Service Provider and Modem Configurations

• What ISP Service do you have? Cable or DSL?
• What ISP Modem Mfr. and model # do you have?

li]Check cable between Modem and Router, swap out to be sure. Link> Cat6 is recommended.[/li]
[li]Check ISP MTU requirements, Cable is usually 1500, DSL is around 1492 down to 1472. Call the ISP and ask. Link>Checking MTU Values[/li]
[li]For DSL/PPPoE connections on the router, ensure that "Always ON" option is enabled.[/li]
[li] If the ISP modem has a built in router, it's best to bridge the modem. Having 2 routers on the same line can cause connection problems: Link>Double NAT and How NAT Works. To tell if the modem is bridged or not, look at the routers web page, Status/Device Info/Wan Section, if there is a 192.168.0.# address in the WAN IP address field, then the modem is not bridged. If the modem can't be bridged then see if the modem has a DMZ option and input the IP address the router gets from the modem and put that into the modems DMZ.

[amirf]

Thank you dear moderator , the problem solved with bridging the routerboard.

[FurryNutz]

Glad you got it working. Enjoy.