Repeater help

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komradekristoph
DD-WRT Novice


Joined: 23 Feb 2014
Posts: 12

PostPosted: Fri Apr 20, 2018 11:54    Post subject: Repeater help Reply with quote
Hi all

I’m having issues trying to connect two routers wirelessly, I’ve followed this guide but am unable to get it working:

https://www.dd-wrt.com/wiki/index.php/Repeater

I have the following routers:

Asus RT-N66U with DD-WRT v24-sp2 (02/04/15) mega - build 26138M
Asus RT-N16 with DD-WRT v24-sp2 (05/10/13) big - build 21530

My main router IP (RT-N66U) is set to 192.168.66.1

I set the secondary router (RT-N16) to 192.168.68.1, I tried adding the primary router as the gateway but it didn’t work either way.

I entered my wireless configuration correctly and ensured the passphrase matched for both the repeated WiFi and virtual WiFi interface. I also disabled the SPI firewall on the secondary router as per the instructions, no matter what I have tried so far the second router never gets a WAN IP address.

Can anyone offer any help or guidance please as I’ve never done this before? Thanks in advance!
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jwh7
DD-WRT Guru


Joined: 25 Oct 2013
Posts: 2670
Location: Indy

PostPosted: Fri Apr 20, 2018 13:43    Post subject: Re: Repeater help Reply with quote
komradekristoph wrote:
[...] Repeater

I have the following routers:

Asus RT-N66U with DD-WRT v24-sp2 (02/04/15) mega - build 26138M
Asus RT-N16 with DD-WRT v24-sp2 (05/10/13) big - build 21530
I assume you reset both first, before manual setup. I'd suggest a newer builds, given these are a gateway router (facing the internet) and repeater (vulnerable to krack).

The latter is fixed since 33772 in Broadcom, unfortunately builds since then have had wireless and/or features' issues. Try 35531 first (newer are bad), or 34311; I've used both as GW, CB, and AP. N16 upgrade to k3x process is here. It's annoying, we know.

Same for the N66U, but first search the new build threads, for both routers actually. I recall the N66U wasn't working for some range of recent builds.

_________________
# NAT/SFE/CTF: limited speed w/ DD # Repeater issues # DD-WRT info: FAQ, Builds, Types, Modes, Changes, Demo #
OPNsense x64 5050e ITX|DD: DIR-810L, 2*EA6900@1GHz, R6300v1, RT-N66U@663, WNDR4000@533, E1500@353,
WRT54G{Lv1.1,Sv6}@250
|FreshTomato: F7D8302@532|OpenWRT: F9K1119v1, RT-ACRH13, R6220, WNDR3700v4
kapieyow
DD-WRT Novice


Joined: 13 Nov 2016
Posts: 18

PostPosted: Fri Apr 20, 2018 14:21    Post subject: Reply with quote
Couple ideas for you. You will not see a WAN IP on the second router. That is ok. You can check for the MAC address of your second router on the your primary router in wireless clients to see if it connects. It will not show up as a DHCP client on the primary router. Do remember to make the virtual wireless interface, which will have a different SSID and security. What is really happening is the second router is using wifi on the primary SSID to connect to it, then using the same wifi radio and channel to send the new secondary SSID. You will see 2 SSIDs from your wireless clients. FWIW I have done "repeater" mode and "repeater bridge" mode. To me the "repeater bridge" mode is preferred. Everything in that case ends up on the same subnet and everything on both routers can connect to anything else. This page describes the main difference.

https://www.dd-wrt.com/wiki/index.php/Category:Linking_Routers
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