Archer C8Version 3 and dd-wrt

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schnee
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Joined: 14 Apr 2019
Posts: 15

PostPosted: Mon Aug 24, 2020 0:32    Post subject: Archer C8Version 3 and dd-wrt Reply with quote
Hi, i am trying to flash dd-wrt on my Archer C8 V3 (US) router. There is a very good thread (now locked) about different attempts to get dd-wrt on the router and then back to stock: https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=283416 However all those tests are about version 1 or 2.

The wiki states that V3 is an European model, however my has US on the sticker. See pictures of the board: https://photos.app.goo.gl/poxJ6b5byFL4RmNS8

Edit: removed attachments as they caused issues on the page. Replaced them with a link to the same photos



label.jpg
 Description:
Version 3 label
 Filesize:  212.14 KB
 Viewed:  291 Time(s)

label.jpg



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Last edited by schnee on Mon Aug 24, 2020 1:00; edited 1 time in total
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schnee
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Joined: 14 Apr 2019
Posts: 15

PostPosted: Mon Aug 24, 2020 0:43    Post subject: Reply with quote
Also here are some logs. Attached the CFE anf the full boot logs.

Here is some more info:
Code:
root@Akronite:/# cat /proc/mtd
dev:    size   erasesize  name
mtd0: 00080000 00010000 "boot"
mtd1: 00f70000 00010000 "linux"
mtd2: 00d70000 00010000 "rootfs"
mtd3: 00010000 00010000 "usb-config"
mtd4: 00020000 00010000 "log"
mtd5: 00010000 00010000 "nvram"


Code:
root@Akronite:/# ls /proc
1                 5796              702               filesystems
10                5798              703               fs
11                5805              731               interrupts
1158              5813              736               iomem
14006             5814              744               ioports
14189             5815              78                irq
146               5816              8                 kallsyms
193               5817              80                kmsg
2                 5818              82                loadavg
200               5820              827               locks
272               5827              830               meminfo
277               5829              9                 misc
282               5837              900               modules
287               5954              907               mounts
292               6                 91                mtd
297               6078              911               net
3                 6079              913               pagetypeinfo
3022              6087              924               partitions
324               6088              925               scsi
3251              6549              NetUSB            self
3267              6579              bcm947xx          slabinfo
3291              6611              buddyinfo         softirqs
3310              6617              bus               stat
383               6618              cmdline           swaps
4                 6622              cpu               sys
4525              6651              cpuinfo           sysrq-trigger
4988              6652              crypto            sysvipc
5                 6653              devices           timer_list
5369              6718              diskstats         tty
5757              6779              dmu               uptime
5765              6782              domain_login_dns  version
5770              6899              driver            vmallocinfo
5771              7                 emf               vmstat
5793              700               execdomains       zoneinfo


Code:
root@Akronite:/# ls /dev
bus                 mtd0                network_latency     ram4
console             mtd0ro              network_throughput  ram5
cpu_dma_latency     mtd1                null                ram6
flash_chrdev        mtd1ro              nvram               ram7
full                mtd2                port                ram8
fuse                mtd2ro              ppp                 ram9
gpio                mtd3                ptmx                random
kmsg                mtd3ro              pts                 root
log                 mtd4                ram0                shm
loop0               mtd4ro              ram1                tty
loop1               mtd5                ram10               ttyS0
loop2               mtd5ro              ram11               ttyS1
loop3               mtdblock0           ram12               urandom
loop4               mtdblock1           ram13               usbdev1.1
loop5               mtdblock2           ram14               usbdev2.1
loop6               mtdblock3           ram15               usbdev3.1
loop7               mtdblock4           ram2                zero
mem                 mtdblock5           ram3


Code:
root@Akronite:/# mount
/dev/mtdblock2 on / type squashfs (ro,noatime)
devtmpfs on /dev type devtmpfs (rw,relatime,size=62564k,nr_inodes=15641,mode=755)
proc on /proc type proc (rw,noatime)
sysfs on /sys type sysfs (rw,noatime)
tmpfs on /tmp type tmpfs (rw,nosuid,nodev,noatime)
devpts on /dev/pts type devpts (rw,noatime,mode=600)
root on /overlay type tmpfs (rw,noatime,mode=755)
/dev/mtdblock2 on /mnt type squashfs (ro,noatime)
root on /mnt type tmpfs (rw,noatime,mode=755)
none on /etc type ramfs (rw,relatime)
none on /lib/wifi type ramfs (rw,relatime)
none on /usr/lib/lua type ramfs (rw,relatime)
none on /proc/bus/usb type usbfs (rw,relatime)



ARCHERC8.Boot.txt
 Description:
Full boot

Download
 Filename:  ARCHERC8.Boot.txt
 Filesize:  18.4 KB
 Downloaded:  12 Time(s)


TPLINK.Archer.C8.CFE.txt
 Description:
CFE boot

Download
 Filename:  TPLINK.Archer.C8.CFE.txt
 Filesize:  14.08 KB
 Downloaded:  9 Time(s)


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Schnee
kernel-panic69
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Joined: 08 May 2018
Posts: 7441
Location: Texas, USA

PostPosted: Mon Aug 24, 2020 1:46    Post subject: Reply with quote
The v3 is not officially supported:

https://wiki.dd-wrt.com/wiki/index.php/Supported_Devices#TP-Link

https://wiki.dd-wrt.com/wiki/index.php/TP_Link_Archer_C8

I can't find definitive information on the v3; only v1, v2, and v4.

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schnee
DD-WRT Novice


Joined: 14 Apr 2019
Posts: 15

PostPosted: Mon Aug 24, 2020 16:12    Post subject: Reply with quote
Thanks, i know Rev 3 is not officially supported.

kernel-panic69 wrote:
The v3 is not officially supported:

https://wiki.dd-wrt.com/wiki/index.php/Supported_Devices#TP-Link

https://wiki.dd-wrt.com/wiki/index.php/TP_Link_Archer_C8

I can't find definitive information on the v3; only v1, v2, and v4.


Accorind to the boot log it has 16MB flash, so i guess it would be possible to open the rev1 buidl on it, but i don't know how to flash from CFE. Is there any document describing how to flash dd-wrt from CFE? How to get the linux and CFE parts from the firmware image?

Thanks

ps: link to the TP-LINK website for version 3 https://www.tp-link.com/us/support/download/archer-c8/v3/#video

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