WR841N v9 - Wifi Bridge: Good network, (almost) no internet.

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Splitframe
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Joined: 12 Nov 2012
Posts: 6

PostPosted: Mon May 10, 2021 22:53    Post subject: WR841N v9 - Wifi Bridge: Good network, (almost) no internet. Reply with quote
I had the problem on the old v24-sp2 as well as the new v.30-r46604

The configuration is as in the tutorial, and while network in general is working very well all clients that are connected via the bridge lose internet after some time. But just clicking "Apply Settings" in the Setup/Basic Setup screen fixes it for another 1-5 minutes.

I already searched for this extensively and found some people with similar (but obviously not the exact same problems, hence the word similar, just the same symptoms but I found nothing else and maybe these give a hint to the root of the matter; quite possibly the reason I made a new topic because I couldn't find someone with the exact same problem and possibly a working solution) problems, but no solution that helped:
https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=307806
https://forum.dd-wrt.com/phpBB2/viewtopic.php?p=1090327

Host Router: 192.168.0.1
Bridge: 192.168.0.250 (outside of Host's DHCP)

Settings I use:

Setup/Basic Setup
Local IP 192.168.0.250/24
GW: Host see above.
Local DNS: 0.0.0.0 (same result with 1.1.1.1 or 8.8.8.8 or Host)
Shortcut Forwarding Engine: off (same result with on)

Setup/Advanced Routing
Operating Mode: Router

Services/Services
Dnsmasq: Disable

Security/Firewall
Everything off except Filter Multicast -> Save
SPI Firewall: Disable -> Apply

Wireless
Well it runs flawless in LAN so I guess everything is right here.

After I "Apply Settings" in Setup:

Code:
64 bytes from 8.8.8.8: icmp_seq=259 ttl=117 time=14.3 ms
64 bytes from 8.8.8.8: icmp_seq=260 ttl=117 time=18.1 ms
64 bytes from 8.8.8.8: icmp_seq=261 ttl=117 time=14.6 ms
64 bytes from 8.8.8.8: icmp_seq=262 ttl=117 time=15.4 ms
64 bytes from 8.8.8.8: icmp_seq=263 ttl=117 time=14.5 ms
64 bytes from 8.8.8.8: icmp_seq=264 ttl=117 time=23.2 ms
From 192.168.0.250: icmp_seq=265 Redirect Host(New nexthop: 192.168.0.1)
From 192.168.0.250: icmp_seq=266 Redirect Host(New nexthop: 192.168.0.1)
From 192.168.0.250 icmp_seq=271 Destination Host Unreachable
From 192.168.0.250 icmp_seq=274 Destination Host Unreachable
From 192.168.0.250 icmp_seq=277 Destination Host Unreachable
From 192.168.0.250 icmp_seq=280 Destination Host Unreachable
From 192.168.0.250 icmp_seq=283 Destination Host Unreachable




It's driving me crazy. Could the Host Router be the culprit?
It's a Vodafone Station TG3442DE, but it sadly doesn't have much to configure.


Last edited by Splitframe on Mon May 10, 2021 23:49; edited 1 time in total
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kernel-panic69
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Joined: 08 May 2018
Posts: 14126
Location: Texas, USA

PostPosted: Mon May 10, 2021 23:24    Post subject: Reply with quote
For one, you cannot compare apples and oranges. First link is to discussion about Broadcom devices. The second is discussing issues with an unsupported device / un-Officially supported device on an old build.
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servicetech
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Joined: 26 Jun 2019
Posts: 377

PostPosted: Tue May 11, 2021 13:27    Post subject: Re: WR841N v9 - Wifi Bridge: Good network, (almost) no inter Reply with quote
Splitframe wrote:
I had the problem on the old v24-sp2 as well as the new v.30-r46604


Does this match your setup ?
https://forum.dd-wrt.com/wiki/index.php/Client_Bridged

Did you try one good build between the very old and the very new one to exclude build related issue ?

Look into kevintung5525 (using some 841 as repeaters) post here:

https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=321284&postdays=0&postorder=asc&start=30

Is it possible to ping between LAN attached devices/access shares ?

EDIT:

Splitframe wrote:
Redirect Host(New nexthop: 192.168.0.1


Does not sound good to me, there should be no (re)routing on the 841, the clients should use the Vodafone Station TG3442DE on 192.168.0.1 as default gateway passing the 841 without interruption. clients dhcp ip config is the same during the complete connect session ?
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