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XB7 Modem 2.5GB red port not working as it should
Recently got pushed up to 1200 speed. Obtained XB7 mode, connected several 2.5 adapters to the red 2.5 port using good GAT6 cables. Get links on the cables at 2.5 but speed various speed test only at 100 on the adapters that do work, some adapters don't even link up properly. When I plug a 1gb adapter into this port at a 1gb link I get 1bg download. But with 2.5gb lan link it either doesn't work at all or works at a super low speed of only 100. Anyone else have this problem? Is there a specific adapter that works with this port? Or is there a hidden setting that Comcast needs to enable? I did go over all settings on the NIC, Comcast modem and did check the NIC drivers. I am getting a 2.5 link on the drop, so it's not a cable issue. Other devices work full speed at 2.5 on same wires.
CCTambrey
Gold Problem Solver
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3.4K Messages
4 years ago
Hello, @user_107b69! Welcome to the Xfinity Forums.
I'm sorry to hear you are having trouble with setting up your network and we would love to help. We do not have any settings that allow you to get faster speeds through an ethernet port, you will automatically get the speeds you are subscribed to. When you mention using an adapter, can you explain what kind of adapters you are using or what your ultimate goal is here for context?
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