Troubleshoot the DualPPPoE Re-Connect Issue

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erythana
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PostPosted: Fri May 15, 2015 8:46    Post subject: Troubleshoot the DualPPPoE Re-Connect Issue Reply with quote
Hi,

so im still having the Re-Connect issues on my WDR3600 with the DualPPPoE. After the daily disconnect i can't reconnect automaticly. Reboot istn working either (anymore?), i have to click on "apply" in the setup tab to make it reconnect again.

Is there a way to try to troubleshoot this issues? I've got some free time now to try to take a deeper look into this, but i have no clue where to start. Syslogd is enabled now, the disconnect should be there soon. Any further tipps please?..


Thank you
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erythana
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PostPosted: Fri May 15, 2015 17:39    Post subject: Reply with quote
So, i've enabled the logs and this are the only errors i've got there:

Code:
May 15 17:33:59 DD-WRT daemon.notice openvpn[22335]: Data Channel MTU parms [ L:1541 D:1450 EF:41 EB:4 ET:0 EL:0 ]
May 15 17:33:59 DD-WRT daemon.notice openvpn[22341]: UDPv4 link local (bound): [undef]
May 15 17:33:59 DD-WRT daemon.notice openvpn[22341]: UDPv4 link remote: [undef]
May 15 17:33:59 DD-WRT daemon.notice openvpn[22341]: MULTI: multi_init called, r=256 v=256
May 15 17:33:59 DD-WRT daemon.notice openvpn[22341]: IFCONFIG POOL: base=192.168.100.4 size=62, ipv6=0
May 15 17:33:59 DD-WRT daemon.notice openvpn[22341]: Initialization Sequence Completed
May 15 17:34:00 DD-WRT cron.info cron[9158]: (crontabs) ORPHAN (no passwd entry)
May 15 17:34:03 DD-WRT daemon.err process_monitor[22310]: Last update failed, we need to re-update after 30 seconds
May 15 17:34:03 DD-WRT daemon.debug process_monitor[22310]: We need to re-update after 3600 seconds
May 15 17:34:03 DD-WRT daemon.info process_monitor[22310]: set timer: 3600 seconds, callback: ntp_main()



(thats all that has been logged since yesterday - or it has been deleted automaticcly)
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erythana
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PostPosted: Mon May 18, 2015 8:34    Post subject: Reply with quote
Push.

Please help - don't want to restart every day anymore Sad
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KrypteX
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PostPosted: Mon May 18, 2015 8:41    Post subject: Reply with quote
There was a recent PPPoE fix for kernels 3.18, 3.19 and 4.0 http://svn.dd-wrt.com/changeset/26878
but no fix for kernel 3.10, which WDR3600 uses (if I'm not mistaken). So I don't know... do you have a ticket reported on this ?
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erythana
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PostPosted: Mon May 18, 2015 9:40    Post subject: Reply with quote
Thanks.
No, havent done this yet for i dont have any additional information. I just 'reported' it a few times in the forum with as much information i had...

Where can i find out wich kernel is running on the WDR3600? I can be a "Beta-Beta" Tester if the new firmware would work on my router..
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tatsuya46
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PostPosted: Mon May 18, 2015 23:05    Post subject: Reply with quote
the main status page..right in the middle of it



Router Name TL-WDR4900

Router Model TP-Link WDR4900 V1

Firmware Version DD-WRT v24-sp2 (05/18/15) std - build 26936

Kernel Version Linux 3.18.13 #227 Mon May 18 09:06:20 CEST 2015 ppc

MAC Address A0:F3:C1:F8:5B:F9

Hostname TL-WDR4900

WAN Domain Name home.lan

LAN Domain Name pyroclasm.lan

Current Time Mon, 18 May 2015 18:04:09

Uptime 15:22


if its using k3.5 or k3.10..out of luck..
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erythana
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PostPosted: Tue May 19, 2015 5:49    Post subject: Reply with quote
Thank you.

Im using Kernel 3.10.77... Does this mean the kernel cant be updated anymore in this device?

Is there something else i could do?
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KrypteX
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PostPosted: Tue May 19, 2015 5:50    Post subject: Reply with quote
erythana wrote:
Im using Kernel 3.10.77... Does this mean the kernel cant be updated anymore in this device?

Did you read my post above ? I think I was clear enough.
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erythana
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PostPosted: Tue May 19, 2015 5:58    Post subject: Reply with quote
You said there is no fix, this doesnt mean it cant be fixed, wheras "if suing k3.10 - out of luck" could mean "no chance"...

So no, i dont know what i can do about it further (except wait)
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KrypteX
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PostPosted: Tue May 19, 2015 6:07    Post subject: Reply with quote
It's clear that those PPPoE fixes in 26878 were not applied to K3.10, for whatever reason. I don't know why. I'll check the files...

Edit: Just checked the files and, indeed, the PPPoE fixes were forgotten to be applied to 3.10... but I don't think that they would help for Dual PPPoE anyway.

Edit2: I've just created a ticket for this: http://svn.dd-wrt.com/ticket/4105
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Last edited by KrypteX on Tue May 19, 2015 6:59; edited 2 times in total
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erythana
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PostPosted: Tue May 19, 2015 6:26    Post subject: Reply with quote
Thank you...
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erythana
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PostPosted: Tue May 19, 2015 17:28    Post subject: Reply with quote
Thanks for your edit + ticket, KrypteX.

In the meantime, im trying to do a walkaround:
A reboot isnt working, only a "Apply Settings" in the Setup Page.
What is this Button for exactly? I tried to do a
"nvram commit" and also a "root nvram commit" in cron but it didn't work, so there has to be more i guess? Can i trigger this button manually with cron once a day?


EDIT:
Tried it with a script
Code:
stopservice wan
sleep 3
startservice wan

and i saw that the WAN-IP changed, therefor i am actually connected --> via ssh on the router i could ping external hosts. But no way on a client.
This stop/startservice wan thing doesnt work, but apply settings in Setup tab is working anyway.
Strange...
The routes look the same but there is something wrong with iptables, i think. Especially the nat rules, these WAN-IPs are missing if it is not working! (for example when i use stopservice wan and startservice wan, they are gone, ater "Apply Settings" they are listed like this:
Code:
iptables -t nat -L


Code:
root@DD-WRT:/tmp/cron.d# iptables -t nat -L
Chain PREROUTING (policy ACCEPT)
target     prot opt source               destination
DNAT       icmp --  anywhere             x-x-x-x(wanip).adsl.highway.telekom.at to:192.168.0.1
DNAT       udp  --  anywhere             x-x-x-x(wanip).adsl.highway.telekom.at udp dpt:9987 to:192.168.0.139
DNAT       udp  --  anywhere             anywhere            udp dpt:9987 to:192.168.0.139
TRIGGER    0    --  anywhere             x-x-x-x(wanip).adsl.highway.telekom.at TRIGGER type:dnat match:0 relate:0

Chain INPUT (policy ACCEPT)
target     prot opt source               destination

Chain OUTPUT (policy ACCEPT)
target     prot opt source               destination

Chain POSTROUTING (policy ACCEPT)
target     prot opt source               destination
SNAT       0    --  192.168.0.0/24       anywhere            to:x.x.x.x[u](wanip)[/u]
SNAT       0    --  anywhere             anywhere            to:10.0.0.140
MASQUERADE  0    --  anywhere             anywhere            mark match 0x80000000/0x80000000
MASQUERADE  0    --  192.168.100.0/24     anywhere




Any furhter tipps please?
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erythana
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PostPosted: Wed May 20, 2015 20:20    Post subject: Reply with quote
Push

I wanted to update the ticket but i couldnt register btw...
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erythana
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PostPosted: Fri May 22, 2015 5:40    Post subject: Reply with quote
Push... Sad
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erythana
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PostPosted: Mon May 25, 2015 19:04    Post subject: Reply with quote
Push...
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