DHCP over Client Bridge after r38159

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wscr
DD-WRT Novice


Joined: 21 Sep 2019
Posts: 2

PostPosted: Sat Sep 21, 2019 18:21    Post subject: DHCP over Client Bridge after r38159 Reply with quote
On newer versions, DHCP doesn't work anymore through a Client Bridge. With r38159 it still worked perfectly. Is there a bug or do I have to change any settings ?
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kernel-panic69
DD-WRT Guru


Joined: 08 May 2018
Posts: 2031
Location: Texas, USA

PostPosted: Sat Sep 21, 2019 21:02    Post subject: Reply with quote
On what build and router?

https://forum.dd-wrt.com/phpBB2/viewtopic.php?p=1174497#1174497

I followed the wiki to the letter pretty much on that one and it works fine.

https://wiki.dd-wrt.com/wiki/index.php/Client_Bridged
wscr
DD-WRT Novice


Joined: 21 Sep 2019
Posts: 2

PostPosted: Sun Sep 22, 2019 6:03    Post subject: Reply with quote
primary: TL-Archer-V2 r40559 (it works with r38159)
CB: TL-WDR4300-V1 r40559

I verified the settings on the CB according to the manual:
https://wiki.dd-wrt.com/wiki/index.php

DHCP works perfect with r38159 on the primary, but not with newer builds (build on CB doesn't matter).
When I go back to r38159 just on the primary, it works again.

Something must have been changed in newer builds, but I don't have a clue... Sad
kernel-panic69
DD-WRT Guru


Joined: 08 May 2018
Posts: 2031
Location: Texas, USA

PostPosted: Sun Sep 22, 2019 11:20    Post subject: Reply with quote
Somewhere in the 39xxx changeset range, udhcpd was removed, so if you do not have dnsmasq configured on your primary router, then that could be the problem. That's my only guess. You must configure dnsmasq as your dhcp server after those changes.
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