Diagnostics help R7000

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wabe
DD-WRT Guru


Joined: 17 Jun 2006
Posts: 889

PostPosted: Mon Jun 27, 2022 10:54    Post subject: Diagnostics help R7000 Reply with quote
Hello

Have a Netgear R7000 running the most recent build. A few days ago it went down, like I had switched off the power. Unplugged the cord and reconnected, it started again running fine. Now it has happened again.
Any idea what could cause this behavior? The router is less than a year old.
Overheating?

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Netgear R7000 on Build 55109
Asus AC-AC68U rev. C1 (AP) on Build 55109
Asus AC-68U rev. A1 on Build 54604
Asus AC-68U rev. A1 on Build 53339
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Alozaros
DD-WRT Guru


Joined: 16 Nov 2015
Posts: 6410
Location: UK, London, just across the river..

PostPosted: Tue Jun 28, 2022 6:51    Post subject: Reply with quote
PSU.... Laughing
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Atheros
TP-Link WR740Nv1 ---DD-WRT 55179 WAP
TP-Link WR1043NDv2 -DD-WRT 55303 Gateway/DoT,Forced DNS,Ad-Block,Firewall,x4VLAN,VPN
TP-Link WR1043NDv2 -Gargoyle OS 1.15.x AP,DNS,QoS,Quotas
Qualcomm-Atheros
Netgear XR500 --DD-WRT 55460 Gateway/DoH,Forced DNS,AP Isolation,4VLAN,Ad-Block,Firewall,Vanilla
Netgear R7800 --DD-WRT 55460 Gateway/DoT,AD-Block,Forced DNS,AP&Net Isolation,x3VLAN,Firewall,Vanilla
Netgear R9000 --DD-WRT 55363 Gateway/DoT,AD-Block,AP Isolation,Firewall,Forced DNS,x2VLAN,Vanilla
Broadcom
Netgear R7000 --DD-WRT 55460 Gateway/SmartDNS/DoH,AD-Block,Firewall,Forced DNS,x3VLAN,VPN
NOT USING 5Ghz ANYWHERE
------------------------------------------------------
Stubby DNS over TLS I DNSCrypt v2 by mac913
wabe
DD-WRT Guru


Joined: 17 Jun 2006
Posts: 889

PostPosted: Tue Jun 28, 2022 13:53    Post subject: Reply with quote
Alozaros wrote:
PSU.... Laughing

Is there a common issue with the standard PSU on R7000?
I unplugged and replugged again. Runs well again at the moment.
We’ve had quite hot weather the last few days, I moved the router to a somewhat cooler place. If that doesn’t work I’ll try with a different PSU.
Thanks!

_________________
Netgear R7000 on Build 55109
Asus AC-AC68U rev. C1 (AP) on Build 55109
Asus AC-68U rev. A1 on Build 54604
Asus AC-68U rev. A1 on Build 53339
Alozaros
DD-WRT Guru


Joined: 16 Nov 2015
Posts: 6410
Location: UK, London, just across the river..

PostPosted: Tue Jun 28, 2022 16:15    Post subject: Reply with quote
since i have my R7000 6 years, im on my second PSU you better get 5amp to be a touch better than the stock 3.5amp...but it could be lots of things since we dont know the config details in details..diagnosing is a random shot..
_________________
Atheros
TP-Link WR740Nv1 ---DD-WRT 55179 WAP
TP-Link WR1043NDv2 -DD-WRT 55303 Gateway/DoT,Forced DNS,Ad-Block,Firewall,x4VLAN,VPN
TP-Link WR1043NDv2 -Gargoyle OS 1.15.x AP,DNS,QoS,Quotas
Qualcomm-Atheros
Netgear XR500 --DD-WRT 55460 Gateway/DoH,Forced DNS,AP Isolation,4VLAN,Ad-Block,Firewall,Vanilla
Netgear R7800 --DD-WRT 55460 Gateway/DoT,AD-Block,Forced DNS,AP&Net Isolation,x3VLAN,Firewall,Vanilla
Netgear R9000 --DD-WRT 55363 Gateway/DoT,AD-Block,AP Isolation,Firewall,Forced DNS,x2VLAN,Vanilla
Broadcom
Netgear R7000 --DD-WRT 55460 Gateway/SmartDNS/DoH,AD-Block,Firewall,Forced DNS,x3VLAN,VPN
NOT USING 5Ghz ANYWHERE
------------------------------------------------------
Stubby DNS over TLS I DNSCrypt v2 by mac913
dale_gribble39
DD-WRT Guru


Joined: 11 Jun 2022
Posts: 1899

PostPosted: Tue Jun 28, 2022 16:57    Post subject: Reply with quote
The AC adapter very well could be culprit. The SoC board doesn't have any electrolytic filter caps; surface-mount components seems to be the inherent design on these. Only other thing could be failing power pushbutton switch contacts or the barrel jack.

https://fccid.io/PY313200233/Internal-Photos/Internal-Photos-3854172

While the CPU operates within design specs, a common thing to do with these is to hang them on the wall vertically so the air dissipates through the top (back where the ethernet ports are). Renewing thermal paste, adding a cooling fan to draw air out of the case are also discussed solutions.

It may not be anything to do with DD-WRT configuration, unless you have a watchdog or scheduled reboot configured in Administration -> Keepalive; then reboots are a normal thing.

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