Linksys WRT54GS V5 - LAN and WAN ports not Working

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smyrna2020
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Joined: 11 Jul 2020
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PostPosted: Sat Jul 11, 2020 20:04    Post subject: Linksys WRT54GS V5 - LAN and WAN ports not Working Reply with quote
I followed the steps to install DD-WRT on my router using the instructions here:
https://wiki.dd-wrt.com/wiki/index.php/Linksys_WRT54GS_v5.0_&_5.1_&_6.0
At the last step, after flashing with
12548 Newd_Micro.bin firmware
I noticed I was not able to ping or access the router.
Then I realized I only was able to access through WIFI.
but LAN and WAN ports are not working. I flashed to the latest generic micro Firmware of 6-19-2020, but still LAN and WAN ports did not work. Did a hard Reset and still to no avail. Only able to access through WIFI but LAN and WAN Ports will not work. I read a few post on here to try to solve to no avail. I am about to give up on this router unless a kind soul would help me solve this puzzle. Thanks A lot.


Last edited by smyrna2020 on Sat Jul 11, 2020 21:04; edited 1 time in total
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kernel-panic69
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Posts: 14125
Location: Texas, USA

PostPosted: Sat Jul 11, 2020 20:35    Post subject: Reply with quote
Outside of 30/30/30, did you try resetting to defaults via the webUI in Administration->Factory Defaults ? It would help to know what forum threads you read, I can't just pick needles out of the haystack at random here.
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smyrna2020
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Joined: 11 Jul 2020
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PostPosted: Sun Jul 12, 2020 1:15    Post subject: Reply with quote
This is the post I was looking at to solve my issue but nothing worked.

https://forum.dd-wrt.com/phpBB2/viewtopic.php?p=757147

https://superuser.com/questions/642517/dd-wrt-cannot-see-client-when-using-wired-ethernet

https://forum.dd-wrt.com/phpBB2/viewtopic.php?p=941926


Last edited by smyrna2020 on Sun Jul 12, 2020 18:44; edited 2 times in total
kernel-panic69
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Posts: 14125
Location: Texas, USA

PostPosted: Sun Jul 12, 2020 1:23    Post subject: Reply with quote
WRT54 uses vlan0 and vlan1, not vlan1 and vlan2. There's a few differences between the E1200 and the WRT54. NOW, that being said, after the VxWorks Killer and initial flash, you could've probably done a reset via webUI and possibly not faced the issue, but there is no guarantee. You may have to see what the nvram variables are and if they are askew:

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

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

https://openwrt.org/toh/linksys/wrt54g

As well as check the webUI for proper port assignments, etc. This is definitely not something normal, it seems.

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smyrna2020
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Joined: 11 Jul 2020
Posts: 17

PostPosted: Sun Jul 12, 2020 2:09    Post subject: Reply with quote
This is what I got when I telnet to the router and
ran the nvram commands. See pic attached.



IMG_2382.jpg
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IMG_2382.jpg


kernel-panic69
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PostPosted: Sun Jul 12, 2020 2:48    Post subject: Reply with quote
What does the Setup->Switch Config tab in the WebUI look like? I think you can fix this without doing manual CLI changes. Post a screenshot of that, and please limit your images to 800 pixels wide max.
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smyrna2020
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Joined: 11 Jul 2020
Posts: 17

PostPosted: Sun Jul 12, 2020 15:03    Post subject: Reply with quote
Here is how the switch config looks like:


switch_config.jpg
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switch_config.jpg


arssant
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Joined: 14 Aug 2013
Posts: 153

PostPosted: Sun Jul 12, 2020 15:08    Post subject: Reply with quote
HI.

Just for reference, a working wr54g v2.

Firmware: DD-WRT v3.0-r43516 std (06/25/20)

Code:
root@DD-WRT:~# nvram show | grep port.*vlans
port5vlans=0 1 16
port3vlans=0
port1vlans=0
port4vlans=0
port2vlans=0
port0vlans=1

root@DD-WRT:~# nvram show | grep vlan.*ports
vlan0ports=1 2 3 4 5*
vlan1ports=0 5

root@DD-WRT:~# nvram show | grep vlan.*hwname
vlan1hwname=et0
vlan0hwname=et0


And your screenshot for switch config is the same as on my G 2.0 version
smyrna2020
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Joined: 11 Jul 2020
Posts: 17

PostPosted: Sun Jul 12, 2020 16:25    Post subject: Reply with quote
What commands can I execute to fix the LAN / VLAN configuration?
arssant
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Joined: 14 Aug 2013
Posts: 153

PostPosted: Sun Jul 12, 2020 16:35    Post subject: Reply with quote
smyrna2020 wrote:
What commands can I execute to fix the LAN / VLAN configuration?


Hi..


to modify nvram params:

nvram set field_to_modify=value

ex:

Code:

nvram set vlan1hwname=et0

and for multiple data:

nvram set vlan0ports="1 2 3 4 5*"

for last:

nvram commit ( will keep modifications )
reboot


But as I said for reference only, my own wrt54G v2.0. So keep a note about any option you will modify, in case it goes worse, and you need to revert it.
smyrna2020
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Joined: 11 Jul 2020
Posts: 17

PostPosted: Sun Jul 12, 2020 17:26    Post subject: Reply with quote
I executed the commands and now everything looks like your output but still none of the ports work. The only difference I see is in the vlan1ports=4 5 instead of what you have vlan1ports=0 5. See screen shoot .


nvram_output.jpg
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nvram_output.jpg


arssant
DD-WRT User


Joined: 14 Aug 2013
Posts: 153

PostPosted: Sun Jul 12, 2020 17:35    Post subject: Reply with quote
Hi

still this one:


Code:
root@DD-WRT:~# nvram show | grep vlan.*ports
vlan0ports=1 2 3 4 5*
vlan1ports=0 5   <--------


check these ones to:


Code:
nvram show | grep vlan0

vlan0ports=1 2 3 4 5*
vlan0_bridged=1
lan_ifnames=vlan0 eth1 eth2 eth3
probe_blacklist=vlan0
vlan0hwname=et0

nvram show | grep vlan1

wan_ifname2=vlan1
pppoe_wan_ifname=vlan1
pppoe_ifname=vlan1
wan_default=vlan1
wan_ifnames=vlan1
vlan1hwname=et0
vlan1ports=0 5
wan_iface=vlan1
wan_ifname=vlan1

smyrna2020
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Joined: 11 Jul 2020
Posts: 17

PostPosted: Sun Jul 12, 2020 17:56    Post subject: Reply with quote
This is what I get: (see screen shot)


nvram_output6.jpg
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nvram_output6.jpg


arssant
DD-WRT User


Joined: 14 Aug 2013
Posts: 153

PostPosted: Sun Jul 12, 2020 18:03    Post subject: Reply with quote
Hi.

Modify this one: vlan1ports

Code:
nvram set vlan1ports="0 5"
nvram commit
reboot
smyrna2020
DD-WRT Novice


Joined: 11 Jul 2020
Posts: 17

PostPosted: Sun Jul 12, 2020 18:14    Post subject: Reply with quote
I executed and now it shows the same output as yours but I don't see the LAN or WAN ports working. Crying or Very sad


nvram_output7.jpg
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nvram_output7.jpg


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