Question I need some help bypassing Quantum/CenturyLink ONT ?

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fcar1999ta

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Apr 24, 2014
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I am trying to connect a TP-Link router and put the Quantum C5500XK in Transparent mode, but I don't want to spend all afternoon troubleshooting. Quantum customer services seems to think that you just set the C5500XK to Transparent mode, and everything else is magic. Has anyone done this?
- How do you maintain access to the C5500XK?
- Does the public IP of the C5500XK need to be configured on your router, or just VLAN 201?
 
To a point I would trust the customer service guy. Better than the ones that have no clue about this topic and just ask why you need your own router when theirs works.

It seems their ont has options for their device to do the vlan part or let your router do the vlan part. It seems you can choose which way it runs. Hopefully the customer rep told you correctly.

Really the only reason I would not use the ISP router part is because you can never trust that there are not backdoors hackers can find. I really hate all the fancy features on routers like auto firmware updates. In my perfect paranoid security world I would have a physical switch you have to push to update software.

My att ont/router you can't actually put into a truely transparnet mode. The basicallly are doing the same thing as using DMZ and forwarding all the ports. The added trick is they somehow have a way to spoof the wan IP onto the lan port. So in effect both their router and your router thing they are using the public IP but in reallity they are doing still doing NAT.

For 99% of the people even if the ISP refuses to allow you to remove their router or have a bridge mode you can just live with it. Running router behind router only really matters to people who are running some kind of server in there house. Long gone are the days where doing the NAT function slows down the traffic.
 
I am using a TP-Link ER8411. I want this router because want to use WAPs instead of WiFi mesh and I want to be able to incoorporate cameras eventually as well. My Quantum is still on the old fiber hardware, so I have the old outside media converter box, instead of fiber connecting all of the way to the C5500XK. Hopefully, I can get them to upgrade me when I upgrade to 2Gbps.

ISP === fiber ===> [Fiber port] Media converter box outside [Ethernet Port] ----> [Ethernet Port]Quantum C5500XK [Ethernet Port] ---Ethernet Cable ---> [10G WAN Port] TP-Link ER8411 [LAN Ports] ----> VLAN 201 ~~~~> WiFi Router in Access Point mode (until I get a TP-Link Omada SG3428XPP-M2 and get cables ran for the WAPs)

Eventually the ER8411 will have a 10G fiber connection to one SG3218XP-M2 that will then have a 10G fiber connection to a SG3428XPP-M2. If the ER8411 had one more SFP+ port, I was going to plan a ring.
 
I have never dealt with Transparent Mode before, so I don't really know what I need to configure on the router's WAN port to be able to communicate to the ONT. That's my main problem.
 
Mesh is a stupid marketing term just like they put "AI" or "gamer" on almost every device you see.It really is just a different name for the old wifi repeaters that have been sold for years.....you know people have learned "new and improved" mean nothing. Pretty much it just has a much simpler way to configure multiple devices at the same time.

If you just want to use different wifi radios you just disable the wifi radios in the ISP router and then connect WAP. Even remote mesh units can be set to run in AP mode only if you have them connected via ethernet. A AP is a extremely stupid device. It is very similar to setting a router into transparent mode but kinda the reverse.

I do not know the details of how you set transparent mode on the ISP router. From what I have search for there are 2 options you can choose. The first requires the router support the vlan tag. The second the modem does the vlan part and then passes the rest to your router. It was very unclear and at best I found a screen cap. This is why I said you trust what the ISP tech told you. Although most first level ISP techs are no better than a AI once in a while you get someone who is really good. These are the guys that eventually get promoted and do the advanced networks stuff at the ISP
 
You consider reddit when it has detailed information and not opinion. Even then there are many post by people who have no clue who just cut and paste stuff they found or lately used AI to generate. You see that here also but it tends to be less of a issue
 
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