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[wassco]

i too am having this issue, and completly stumped

factory reset SBG6580 cable modem/router (disabled wifi) left everything factory default (dhcp on)

connected DIR 8050L router

SBG6580 Port 1 > DIR 850L Internet port (with blue cable that came with DIR 850L)

did automatic internet setup.

cannot detect internet connection..

*plug pc directly into SBG6580 and in a min it configs the IP as it should.. and voila... net

totally stumped.. dont understand why its acting like this..

no issues with other routers.. dlink even.. just this router.

any ideas?

[FurryNutz]

Link>Welcome!

• What Hardware version is your router? Look at sticker under router.
• 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

• Is ISP Modem/Service using Dynamic or Static WAN IP addressing?
• What ISP Modem service link speeds UP and Down do you have?
• Check cable between Modem and Router, swap out to be sure. Link> Cat6 is recommended.
• If this 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. Also check the routers DHCP IP address maybe conflicting with the ISP modems IP address 192.168.0.1. Check to see if this is the same on the ISP modem and if modem can't be bridged. If so, change the DIR router to 192.168.1.1 or .0.254.
  Example of a D-Link router configured for PPPoE with ISP Modem bridged: PPPoE Configuration on Router
• Check ISP MTU requirements, Cable is usually 1500, DSL is around 1492 down to 1472. Call the ISP and ask. Link>Checking MTU Values

[wassco]

-The Cable modem is SBG6580 (20 down / 1 up) connection
-Router is DIR 850L
-Located southern Ontario
-Latest firmware for 850L from dlink official page.
-ISP is EASTLINK (eastlink.ca)

- cables are fine

(modem uses DHCP) not a static wan ip

[FurryNutz]

Let us know about the Modem/Router suggestion...

[wassco]

Long story short.. its working now...



Deleted DHCP clients in modem log / history

Changed Router ip to 192.168.1.1 in network settings tab

changed host name : local domain name (Default : blank) before

*reeanabled dns relay*

waited for the router to cycle... and boom.. hello google....

only thing i see differently from what i was doing before (as i have toggled and tested all thoes settings before as well.

was the host name change and ip specifically to 1.1 (tried .0.5)

[FurryNutz]

Ya some Motorola SB series modem/routers use 0.#.
Glad you got it working. You'll be in a double NAT condition with this modem and the 850L so I recommend that you put the IP address the 850L gets from the Modem into the Modems DMZ. This will help eliminate connection issues.

Enjoy.