r7800 lost connection [solved]

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CrasH_CTB
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Joined: 17 Jul 2020
Posts: 23

PostPosted: Thu Aug 20, 2020 15:15    Post subject: r7800 lost connection [solved] Reply with quote
Just did update to r44213 std. Update was successful without reset. Lost internet connection on all my devices though. Any idea where should I even try looking for solutions?

Last edited by CrasH_CTB on Thu Aug 20, 2020 16:25; edited 1 time in total
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egc
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Joined: 18 Mar 2014
Posts: 6360
Location: Netherlands

PostPosted: Thu Aug 20, 2020 15:21    Post subject: Reply with quote
If you are behind a modem, reboot that first than reboot the R7800 then reboot your clients.
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Routers:Netgear R7800, R6400v1, R6400v2, Linksys EA8500, EA6900 (XvortexCFE), E2000 (converted WRT320N), WRT54GS v1.
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CrasH_CTB
DD-WRT Novice


Joined: 17 Jul 2020
Posts: 23

PostPosted: Thu Aug 20, 2020 15:25    Post subject: Reply with quote
egc wrote:
If you are behind a modem, reboot that first than reboot the R7800 then reboot your clients.


That is a case. And my tracert to google.com fails on my router-modem connection. I'll give it a try and report back.
servicetech
DD-WRT User


Joined: 26 Jun 2019
Posts: 237

PostPosted: Thu Aug 20, 2020 15:28    Post subject: Re: r7800 Reply with quote
CrasH_CTB wrote:
Just did update to r44213 std. Update was successful without reset. Lost internet connection on all my devices though. Any idea where should I even try looking for solutions?


What build / version was running successful before ?

You are using PPPoE and modem ? Name and IP ping is unsuccessful ?

egc is lightning fast reading and answering , so sorry for duplicate questions. Very Happy
CrasH_CTB
DD-WRT Novice


Joined: 17 Jul 2020
Posts: 23

PostPosted: Thu Aug 20, 2020 15:45    Post subject: Re: r7800 Reply with quote
servicetech wrote:

What build / version was running successful before ?

You are using PPPoE and modem ? Name and IP ping is unsuccessful ?

egc is lightning fast reading and answering , so sorry for duplicate questions. Very Happy


I am running eurodocsis behind bridge mode Vodafone router.
r43845
Cant ping either on name.
Also on my router internet led is off and my lan connection to pc is orange.
CrasH_CTB
DD-WRT Novice


Joined: 17 Jul 2020
Posts: 23

PostPosted: Thu Aug 20, 2020 15:59    Post subject: Reply with quote
I did reset to factory. Internet connection is back. Is it safe for me to try load my backed up settings from last build or do I have to set up everything again manually?
mac913
DD-WRT Guru


Joined: 02 May 2008
Posts: 1594
Location: Canada

PostPosted: Thu Aug 20, 2020 16:09    Post subject: Reply with quote
I would go manually after a reset.
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Home Network on Telus PureFibre - 10GbE Copper Backbone
2x R7800 - Gateway & WiFi & 3xWireGuard - DDWRT r44483 Std
R7000 - Wired ISP 4K IPTV Gateway - DDWRT r44483 Std

Off Site 1

R7000 - Gateway & WiFi & WireGuard - DDWRT r44483 Std
WRT610Nv1 - Client Bridge - DDWRT r33679 Mega K2.4

Off Site 2

R7000 - Gateway & WiFi - DDWRT r44483 Std
E2000 - Wired ISP IPTV PVR Blocker - DDWRT r35531


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

PostPosted: Thu Aug 20, 2020 16:09    Post subject: Reply with quote
nope rebuild manually...do not load setting from different firmware builds...!
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Atheros
TP-Link WR740Nv1 -----DD-WRT 44538 BS AP,NAT
TP-Link WR740Nv4 -----DD-WRT 44251 BS WAP/Switch
TP-Link WR1043NDv2 ---DD-WRT 44538 BS AP,NAT,AP Isolation,Firewall,Local DNS,Forced DNS,DoT,VPN,VLAN
TP-Link WR1043NDv2 ---DD-WRT 44538 BS AP,NAT,AD Block,Firewall,Local DNS,Forced DNS,DoT,VPN,VLAN
TP-Link WR1043NDv2 ---Gargoyle OS 1.12.0 AP,NAT,QoS,Quotas
Qualcomm/IPQ8065
Netgear R7800 -----DD-WRT 44538 BS AP,NAT,AD-Block,AP&Net Isolation,VLAN's,Firewall,Local DNS,DoT
Broadcom
Netgear R7000 -----DD-WRT 44538 BS AP,Wi-Fi OFF,NAT,AD-Block,Firewall,Local DNS,Forced DNS,DoT,VPN
-----------------------------------------------------------------------------------------------
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kernel-panic69
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Joined: 08 May 2018
Posts: 7244
Location: Texas, USA

PostPosted: Thu Aug 20, 2020 16:30    Post subject: Reply with quote
It essentially depends on:

1) if the backup is from the same model router
2) if the backup is from the same build revision
3) if the backup data is not corrupt

Outside of that, it's usually not advisable to restore from an nvram backup, although I've had no issues doing it.

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