Equipment (Modems,Gateways)
Modems, Gateways, and Networking Devices
Male IT Specialist Holds Laptop and Discusses Work with Female Server Technician. They're Standing in Data Center, Rack Server Cabinet is Open.
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VLAN Issues

I recently had my modem installed and we have a static IP on it.  If I plug a laptop directly into the modem, everything works fine.  When I plug the modem into my switch (accessing VLAN ID 3) and connect my computer to a different switch (also on VLAN ID 3) I get an IP address on my laptop, and I can access the modem, but the modem does not route any traffic through to the internet.  Is this a configuration issue on my modem?  Please advise.  

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Re: VLAN Issues

Have you properly configured trunk ports on the connecting interfaces of both switches?

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Re: VLAN Issues

Yes.  I'm able to get an IP from the modem, and I'm able to access the modem.  I am not able to get through the modem to the internet. 

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