I have a new SB8200 that I connected to Spectrum. When I connect my PC to the ethernet port I have access to the internet, but I cannot connect my router to the second port. When I do it does not indicate internet access. If I remove the PC and reboot the modem then the router gets access to the internet but as soon as I plug in the PC the PC can’t get access.
What am I doing wrong?
Best answer by SURFboard Moderator
The SB8200 is a standalone cable modem and does not include a built-in DHCP server. As a result, when your internet service provider (ISP) activates the modem, it typically assigns only one public IP address, which supports a single internet connection.
If you wish to use both Ethernet ports on the SB8200 simultaneously, you would need to contact your ISP and request the activation of a second public IP address. However, please note that not all ISPs offer multiple public IP addresses for residential customers.
For more details on the functionality of the SB8200’s Ethernet ports, please refer to the link below:
https://arris.my.salesforce-sites.com/consumers/articles/knowledge/SB8200-Ethernet-Ports
The SB8200 is a standalone cable modem and does not include a built-in DHCP server. As a result, when your internet service provider (ISP) activates the modem, it typically assigns only one public IP address, which supports a single internet connection.
If you wish to use both Ethernet ports on the SB8200 simultaneously, you would need to contact your ISP and request the activation of a second public IP address. However, please note that not all ISPs offer multiple public IP addresses for residential customers.
For more details on the functionality of the SB8200’s Ethernet ports, please refer to the link below:
https://arris.my.salesforce-sites.com/consumers/articles/knowledge/SB8200-Ethernet-Ports
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