Hey! We’ll narrow down why your eero keeps disconnecting and stop the constant Wi-Fi drops for good. Quick questions so we don’t chase the wrong cause:
• Which model(s): eero 6 / eero 6+ / eero Pro 6 / Pro 6E / Max? How many nodes (gateway + satellites)?
• What exactly disconnects: internet drops for the whole house (gateway offline / red LED), or only some devices (phones/Smart TV) keep disconnecting from Wi-Fi?
• What’s upstream: separate modem/ONT, or an ISP “modem-router combo” (Xfinity/AT&T/Verizon/etc.)?
• Any recent change: new ISP, new modem, moved eeros, added a switch, enabled a feature (eero Secure, ad blocking, IPv6), or a firmware update?
• When it happens: every few minutes, a few times a day, only evenings, or after a reboot?
These details tell us if it’s mesh backhaul, double NAT, DHCP lease, DNS, interference/placement, or an ISP line drop.

Thanks — the combination of gateway offline + occasional red LED usually means the eero is losing the WAN/ISP connection (not just a device roaming between nodes). But we still need to confirm where the drop starts:

Common root causes for eero constant disconnects:
• ISP/modem instability (brief line drops, modem reboots, signal issues) → eero “loses internet” even though Wi-Fi still looks connected.
• Double NAT / modem-router combo conflict → random drops, weird app “offline/online” flapping, slow DNS resolution.
• Mesh backhaul problems (nodes too far / too close, interference, thick walls, metal, microwaves) → devices keep reconnecting, video calls lag, Smart TV buffers.
• Firmware/app changes or a setting interaction (IPv6, DNS behavior, security filtering) → shows up as “internet drops” but actually it’s name resolution or routing hiccups.

We’ll do a quick “is it ISP or eero?” check first, then a mesh health/placement pass. Don’t worry — we can do it without resetting everything.

That’s a big clue. An ISP “modem-router combo” upstream is where we often see double NAT or gateway conflicts that lead to random eero disconnects (especially if the ISP box is doing routing/firewall while eero is also doing routing).

Before changing anything, let’s confirm two things (fast, low-risk):
1) In the eero app, check whether your network reports a double NAT / “upstream router detected” type warning.
2) When the drop happens, look at the ISP modem/router lights: do they stay stable, or do you see it briefly re-sync / blink like it’s reconnecting to the ISP?

If the ISP box is “fine” but eero goes offline, we focus on the eero WAN handoff, cabling, and config. If the ISP box is also flapping, the real fix is upstream (signal/line/modem behavior). Either way, we’ll avoid blanket factory resets.

No problem — we can map your topology and pinpoint the conflict quickly. Here’s the safe approach that doesn’t “break” your network mid-day:

Step 1 — Confirm the topology (this matters)
• Is it: ISP modem/router → eero gateway → (switch?) → other eeros?
• Or do you have anything else routing (another router, a smart switch with special settings, a firewall appliance)?

Step 2 — Use the eero app to check “health” signals
In the app, look for anything indicating the upstream device is also doing NAT/routing. That’s the classic trigger for eero internet dropping while Wi-Fi stays visible.

Step 3 — Quick physical checks
• Make sure the gateway eero is connected directly to the ISP device (not through a random wall jack or an unmanaged chain).
• Swap the Ethernet cable (bad cables can cause “every few hours” WAN drops that look like ISP issues).

I’m intentionally not telling you to flip the big switch (bridge/passthrough) yet, because doing it wrong can cause a full outage. In chat, we’ll confirm your ISP hardware model and the safest configuration path.

Placement can absolutely contribute — especially to the “devices keep reconnecting” side — but a true gateway offline event is usually upstream (WAN) or a topology conflict. Still, it’s smart to check both layers:

Mesh layer (backhaul) symptoms
If satellites are too far, behind dense walls, near metal, or near interference sources, you’ll see:
• inconsistent speeds, latency spikes, buffering on Smart TV
• devices jumping between nodes (roaming) and “Wi-Fi disconnects” even though internet is fine

WAN layer (internet) symptoms
If the main eero’s WAN is dropping (red LED, gateway offline), you’ll see the whole network lose internet at once.

Low-risk placement checks (no settings changes):
• Keep eeros in the open (not in cabinets), away from big metal appliances and microwaves.
• Don’t place nodes too close together or stacked; give them breathing room.
• If you have a wired node upstairs, that’s great — wired backhaul is usually more stable, but the switch chain and cabling matter.

In chat we can identify whether your switch/cable/backhaul is contributing, because the “right fix” depends on whether your wired node is truly wired and whether the gateway is negotiating properly.

Yes — that pattern (“Wi-Fi connected, but pages/apps fail briefly”) often points to DNS resolution, an IPv6 handshake hiccup, or filtering features interacting with certain services. It can look exactly like eero random disconnects even when the WAN is technically up.

A few important notes (so you don’t accidentally chase the wrong thing):
• If the eero LED turns red, that’s usually a real internet/WAN loss.
• If the LED stays normal but apps time out, it may be DNS, secure filtering, or a brief route/MTU issue upstream.

Since you mentioned eero Secure: some security/ad-blocking features can change how DNS behaves. I’m not going to tell you to disable anything blindly — instead, the right move is to identify whether the failure is DNS-only or full WAN, and which device types are affected (iOS, Android, Smart TV, consoles).

In paid chat we can run a quick “two-minute triage” (no advanced tools needed) that isolates whether you’re dealing with DNS/IPv6 vs true WAN drops, then apply the correct fix path for your exact setup.

Totally agree — with a smart home (plugs, cameras, speakers, thermostats), a factory reset is the last resort. The good news is: most eero constant disconnects are fixable with targeted changes that don’t force you to rejoin every device.

What we’ll aim for (stable long-term):
• A clean upstream handoff so the gateway doesn’t flap (no NAT conflict, stable WAN link).
• A predictable mesh layout (strong backhaul, fewer roaming surprises).
• App settings that don’t intermittently block critical services (Smart TV streaming, game consoles, voice assistants).

Low-risk stabilizers you can do right now without “rebuilding” anything:
• Document your current topology (what’s plugged where) and your ISP modem/router model name.
• Ensure the gateway eero is the only device doing Wi-Fi (ISP Wi-Fi off is good) and verify the Ethernet chain is simple and solid.

The “last 10%” that stops the flakiness depends on whether you’re seeing double NAT, a specific ISP gateway behavior, or a DNS/Secure interaction — that’s where the live chat saves a ton of trial-and-error.

In most cases: yes — you can usually fix an upstream router conflict without changing your SSID/password, and without re-pairing your smart devices. But the exact steps depend heavily on the ISP gateway’s brand/model and how it handles passthrough/bridge features.

About the Ethernet switch: it can be relevant if
• it’s a “smart/managed” switch with VLANs/IGMP settings,
• it’s powering devices (PoE) in a way that introduces instability,
• or it’s simply failing/negotiating poorly (which can cause intermittent wired backhaul problems).

Here’s the key: we don’t want to “guess and toggle.” In chat, tell us your ISP gateway model + the switch model, and we’ll identify the safest configuration path that preserves your network name and keeps your smart home online.

Summary: When you see eero constant disconnects, we first separate “true WAN drops” (gateway offline/red light) from “Wi-Fi looks connected but apps fail” (often DNS/IPv6/filtering or mesh roaming). Your setup (ISP modem/router combo + eero gateway + switch + mixed wired/wireless nodes) has a few common choke points — but the correct fix depends on your exact ISP gateway model and how your network is wired.

If you want, open the chat and send: (1) ISP gateway model, (2) switch model, (3) eero model pack, and (4) whether the app warns about double NAT. An expert can guide you through the safest steps without resetting your whole smart home.