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[SOLVED] Netgear R7800 Problem on WAN connection

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aa3b
DD-WRT Novice

Joined: 12 Jul 2021
Posts: 3

Posted: Fri Jul 16, 2021 4:47 Post subject: [SOLVED] Netgear R7800 Problem on WAN connection

Hi all,

I've read almost all the related threads about Netgear R7800. After strictly followed the flash guidelines, I've the problem on WAN connection.

Router : Netgear R7800
Firmware : V3.0-r47040 std

1 ) after flashed, everything is ok except the " switch config " tab is missing

2 ) I tried to reboot, then the " switch config " tab is started to be seen.

3 ) At this moment, I found the following.
a. the WAN connection is ok
b. the indicator of LAN port connection is wrong. I plugged a LAN cable into the router physical LAN port 2, but the indicator ( shown in " switch config " tab ) showed I've connected to LAN port 3.

4 ) I ignored everything. Then I configured the VLAN ( under the " switch config " tab ), clicked " save " and " apply settings ".

5 ) The router was then reboot.

6 ) After reboot, no more WAN connection is found.

Am I doing something wrong?

Last edited by aa3b on Fri Jul 16, 2021 20:12; edited 2 times in total

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kernel-panic69
DD-WRT Guru

Joined: 08 May 2018
Posts: 14223
Location: Texas, USA

Posted: Fri Jul 16, 2021 13:36 Post subject:

You don't use the switch config tab to do anything on Atheros, it does not work. Reset to defaults, start over. If you need any special vlan configurations and such, use a startup script. See references sticky.
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Per Yngve Berg
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Joined: 13 Aug 2013
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Posted: Fri Jul 16, 2021 17:35 Post subject:
The ports are numbered in opposite direction of what the labels on the casing is showing. Port 4 is port 1.

mrjcd
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Joined: 31 Jan 2015
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Posted: Fri Jul 16, 2021 18:59 Post subject:
iffin you would have got an EA8500 ports are same as logical port names on router ...just sayin

aa3b
DD-WRT Novice

Joined: 12 Jul 2021
Posts: 3

Posted: Fri Jul 16, 2021 20:11 Post subject:
Thanks for your replies. I’ll try again.

Per Yngve Berg
DD-WRT Guru

Joined: 13 Aug 2013
Posts: 6868
Location: Romerike, Norway

Posted: Sat Jul 17, 2021 17:19 Post subject:
Check the switch config with swconfig dev switch0 show It's better to configure the switch with swconfig command line.

yousaf465
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Joined: 12 Sep 2010
Posts: 380

Posted: Sun Oct 03, 2021 10:00 Post subject:

mrjcd wrote:

iffin you would have got an EA8500 ports are same as logical port names on router
...just sayin Twisted Evil

I am also confused between the two old EA8500 or used R7800?
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Alozaros
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Posted: Sun Oct 03, 2021 10:21 Post subject:

yousaf465 wrote:

mrjcd wrote:

iffin you would have got an EA8500 ports are same as logical port names on router
...just sayin Twisted Evil

I am also confused between the two old EA8500 or used R7800?

good to specify the reason for your confusion?? Rolling Eyes

if is about buying... R7800 is much better...

swconfig dev switch0 show --- will tell witch port is where...
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TP-Link WR740Nv1 ---DD-WRT 55630 WAP
TP-Link WR1043NDv2 -DD-WRT 55723 Gateway/DoT,Forced DNS,Ad-Block,Firewall,x4VLAN,VPN
TP-Link WR1043NDv2 -Gargoyle OS 1.15.x AP,DNS,QoS,Quotas
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Netgear XR500 --DD-WRT 55779 Gateway/DoH,Forced DNS,AP Isolation,4VLAN,Ad-Block,Firewall,Vanilla
Netgear R7800 --DD-WRT 55819 Gateway/DoT,AD-Block,Forced DNS,AP&Net Isolation,x3VLAN,Firewall,Vanilla
Netgear R9000 --DD-WRT 55779 Gateway/DoT,AD-Block,AP Isolation,Firewall,Forced DNS,x2VLAN,Vanilla
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yousaf465
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Joined: 12 Sep 2010
Posts: 380

Posted: Sun Oct 03, 2021 11:30 Post subject:

Alozaros wrote:

yousaf465 wrote:

mrjcd wrote:

iffin you would have got an EA8500 ports are same as logical port names on router
...just sayin Twisted Evil

I am also confused between the two old EA8500 or used R7800?

good to specify the reason for your confusion?? Rolling Eyes

if is about buying... R7800 is much better...

swconfig dev switch0 show --- will tell witch port is where...

EA8500 vs R7800 is getting tough on my nerves
I want better range on 2.4Ghz radio, it will be used as wirless client. need better throughput on 5Ghz radio, that will be acting a normal AP.
EA8500 is better priced best I got but missed was Pkr4500 online store with discount and 7 days return. USD 26
R7800 minimum price is Pkr10000 (if I buy at least 3 pieces), otherwise Pkr13000 USD 76
Physically EA8500 was in better condition.

R7800 look at the condition of it

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Per Yngve Berg
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Posted: Sun Oct 03, 2021 11:45 Post subject:
The main difference between R7800 and EA8500: R7800: 2x1 Gb/s connections between Switch and CPU. LAN and WAN can send simultaneously. EA8500: 1x1 Gb/s connections between Switch and CPU. That is LAN and WAN share the same 1 Gb/s connection.

yousaf465
DD-WRT User

Joined: 12 Sep 2010
Posts: 380

Posted: Sun Oct 03, 2021 11:51 Post subject:

Per Yngve Berg wrote:

The main difference between R7800 and EA8500:

R7800: 2x1 Gb/s connections between Switch and CPU. LAN and WAN can send simultaneously.

EA8500: 1x1 Gb/s connections between Switch and CPU. That is LAN and WAN share the same 1 Gb/s connection.

My Internet connection is 20/20 FTTH.
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mrjcd
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Posted: Sun Oct 03, 2021 13:52 Post subject:
yeahuh ... switch difference in & R7800 & EA8500 old pic showing is still at https://mrjcd.com/EA8500_DD-WRT/vlans/

yousaf465
DD-WRT User

Joined: 12 Sep 2010
Posts: 380

Posted: Sun Oct 03, 2021 13:58 Post subject:

mrjcd wrote:

yeahuh ... switch difference in & R7800 & EA8500
old pic showing is still at https://mrjcd.com/EA8500_DD-WRT/vlans/ Razz

does 160Mhz on R7800 with 160Mhz supported card i.e Killer 1650x improves upon EA8500 connected to same card?
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mrjcd
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Posted: Sun Oct 03, 2021 14:15 Post subject:
This is what the EA8500 5GHz wifi has AND I know nothing 'bout "supported card i.e Killer 1650x " that is with newest build ...umm beyond newest pub release -- it is r47497

ho1Aetoo
DD-WRT Guru

Joined: 19 Feb 2019
Posts: 2977
Location: Germany

Posted: Sun Oct 03, 2021 15:13 Post subject:

EA8500

IPQ8064 2 x 1,4ghz
1x CPU Port
2x QCA9980 (EOL since 6 years)

https://github.com/kvalo/ath10k-firmware/tree/master/QCA99X0/hw2.0

supports max 80Mhz

R7800

IPQ8065 2 x 1,7ghz
2x CPU Ports
2x QCA9984 (active lifecycle)

supports 80Mhz / 80+80Mhz / 160Mhz

apart from that 80+80 and VHT160 are rubbish anyway
i have not seen any dd-wrt build where 80+80 or 160 has the same or higher throughput than VHT80 4x4

theoretically they have the same data rates

VHT80 4x4 = 1733Mbit
VHT160 2x2 = 1733Mbit

but practically I have the best throughput with VHT80 4x4 (stable ~900Mbit)

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