WNDR3400v1 not working as access point

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FLjeff
DD-WRT Novice


Joined: 07 Jun 2016
Posts: 9

PostPosted: Fri Jun 10, 2016 1:59    Post subject: WNDR3400v1 not working as access point Reply with quote
I have two Netgear WNDR3400v1 routers, each running DD-WRT v24-sp2 (03/25/13) mega - build 21061. Each has functioned well, one at a time, as my router. I recently configured one of them as an access point, carefully following the wiki https://www.dd-wrt.com/wiki/index.php/Wireless_Access_Point. The two units are connected via their LAN ports.

I can connect wirelessly or wired to the AP but cannot connect through the AP to the router or beyond. A device connected to the AP is never granted an IP address by the router.

Things that do work:

1. I have a Roku box direct connected to the AP; it communicates fine through the router to the net. I’d never noticed this before but apparently the Roku doesn’t need an IP address.

2. I can connect from the router to the AP.

What am I missing?

My router is named WNDR3400_A
Its IP address is 192.168.1.1
DHCP Server: Enabled
DHCP Daemon: uDHCPd
Start IP Address: 192.168.1.5
End IP Address: 192.168.1.254


My access point is named WNDR3400_B
Its IP address is 192.168.1.2

On the System Info tab I can see my iPhone’s MAC Address of 66:FD.

On the Setup Basic Setup tab I have
WAN Connection Type: Disabled
DHCP Type: DHCP Server
DHCP Server: Disable

On the Advanced Routing tab
Operating Mode: Router
Dynamic Routing Interface: LAN & WLAN
Static Routing Select set number: 1 ()
Destination LAN NET: 0.0.0.0
Subnet Mask: 0.0.0.0
Gateway: 0.0.0.0
Interface: LAN & WAN



status.jpg
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Status tab
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mrjcd
DD-WRT Guru


Joined: 31 Jan 2015
Posts: 2675
Location: Texas

PostPosted: Fri Jun 10, 2016 3:29    Post subject: Reply with quote
Services page
try disable DNSmasq
save / apply settings
FLjeff
DD-WRT Novice


Joined: 07 Jun 2016
Posts: 9

PostPosted: Fri Jun 10, 2016 10:16    Post subject: disable DNSmasq Reply with quote
Thank you for the suggestion.

DNSmasq already disabled.
jwh7
DD-WRT Guru


Joined: 25 Oct 2013
Posts: 1035
Location: Indy

PostPosted: Fri Jun 10, 2016 18:34    Post subject: Reply with quote
Do you have any remnant scripts (firewall/startup) or other MAC/access/etc settings tripping you up? I've seen that before. Did you start by doing a GUI reset (factory defaults). Or try a different port, like the WAN since you have it set for the WAN now; I always do that so I can access the AP if I do a reset, as the upstream .1 gateway becomes its WAN until re-setup as AP. Or...try a newer build? I used my WNDR4000 (basically the same I think) for a long time as an AP w/ no issue.
_________________
# NAT/CTF: slow/limited speed on DD # Repeater issues # DD-WRT info: Builds, Types, Changelog[SVN], Peacock, Demo #
x64 pfSense 2.4.0b|RT-N66U@663 Merlin 380.68b1|33006: WNDR4500v2 & WNDR4000@533 k3, 31825: WRT54GSv6@250 µ
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mrjcd
DD-WRT Guru


Joined: 31 Jan 2015
Posts: 2675
Location: Texas

PostPosted: Fri Jun 10, 2016 21:18    Post subject: Reply with quote
How about a screenshot of main router setup page and services page

Edit: and/or
Change the access point IP to 192.168.1.253
Chances are you may have an IP conflict :-/

Edit again:
You should be using DNSmasq for DHCP on main router
And DNSmasq for DNS
FLjeff
DD-WRT Novice


Joined: 07 Jun 2016
Posts: 9

PostPosted: Sat Jun 11, 2016 1:49    Post subject: Reply with quote
jwh7:
Thank you for your response.
Not sure how to verify existence of remnant scripts; I'll check into it.
Doubtful I have problematic MAC/access/etc settings since I've not fooled with these.
I did start with a GUI reset (factory defaults)
I did change ports; am using WAN on the AP.
I'll reserve the newer build option as something to try.

mrjcd:
Thank you for your response.

I've change the access point IP to 192.168.1.253
DNSmasq for DHCP on main router is now set.
DNSmasq for DNS on main router is now set.

No change in behavior.

Screen shots of main router setup page and services page attached.



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setup tab
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setup.jpg


mrjcd
DD-WRT Guru


Joined: 31 Jan 2015
Posts: 2675
Location: Texas

PostPosted: Sat Jun 11, 2016 2:02    Post subject: Reply with quote
Put in 'gateway' info
192.168.1.1

If not actually using local DNS then leave local DNS zeros.....also leave this as zeros on the AP

Do that and check status page (WAN) to see if you have DNS servers showing. Should be from your ISP.... I recommend using openDNS servers....just a suggestion if you want.... put on main setup page
208.67.222.222
208.67.220.220
Leave 3rd as zeros

Also you should turn NTP on the AP...same setting as main... they will then keep time sync
FLjeff
DD-WRT Novice


Joined: 07 Jun 2016
Posts: 9

PostPosted: Sat Jun 11, 2016 2:27    Post subject: Reply with quote
I set the gateway to 192.168.1.1
(On both router and AP.)

DNS now zeroed on both units.

On router I see
DNS 175.75.75.75
DNS 275.75.76.76

Nothing DNS-wise for AP; WAN Configuration Connection Type is "Disabled"

(I'll check out the openDNS servers.)

I enabled and set NTP on AP to same parameters as the router. Interestingly, the AP status page shows Current Time as "Not Available". (I did reboot the AP, by the way, after setting that.)
mrjcd
DD-WRT Guru


Joined: 31 Jan 2015
Posts: 2675
Location: Texas

PostPosted: Sat Jun 11, 2016 2:36    Post subject: Reply with quote
It will take the AP a couple minutes to get time...that is if it's communicating with the router...seems to have something blocking

Make sure wireless mode is 'AP' on both... nothing else.

Also the AP should be on a channel far from the main's channel.

You probably should reboot both.....are you sure DNSmasq is disabled on the AP on the 'SERVICES' page?

'bout out of ideas and I really don't remember all details about that old build you are using.....it did have a quirk or two. Might want to try a newer build
FLjeff
DD-WRT Novice


Joined: 07 Jun 2016
Posts: 9

PostPosted: Sat Jun 11, 2016 2:39    Post subject: Reply with quote
Is this a clue?

On the AP, the Active IP Connections Table is as below. It's like there's partial communication, maybe?


Active IP Connections

Active IP Connections 64

No. Protocol Timeout (s) Source Address Remote Address Service Name State
1 UDP 54 192.168.1.6 192.168.1.255 57621 UNREPLIED
2 TCP 114 192.168.1.18 192.168.1.253 80 TIME_WAIT
3 TCP 36 192.168.1.18 192.168.1.253 80 TIME_WAIT
4 TCP 55 192.168.1.18 192.168.1.253 80 TIME_WAIT
5 TCP 18 192.168.1.18 192.168.1.253 80 TIME_WAIT
6 TCP 37 192.168.1.18 192.168.1.253 80 TIME_WAIT
7 TCP 30 192.168.1.18 192.168.1.253 80 TIME_WAIT
8 TCP 37 192.168.1.18 192.168.1.253 80 TIME_WAIT
9 TCP 86 192.168.1.18 192.168.1.253 80 TIME_WAIT
10 TCP 77 192.168.1.18 192.168.1.253 80 TIME_WAIT
11 TCP 74 192.168.1.18 192.168.1.253 80 TIME_WAIT
12 TCP 43 192.168.1.18 192.168.1.253 80 TIME_WAIT
13 TCP 52 192.168.1.18 192.168.1.253 80 TIME_WAIT
14 TCP 46 192.168.1.18 192.168.1.253 80 TIME_WAIT
15 TCP 37 192.168.1.18 192.168.1.253 80 TIME_WAIT
16 UDP 51 127.0.0.1 127.0.0.1 53 UNREPLIED
17 TCP 71 192.168.1.18 192.168.1.253 80 TIME_WAIT
18 TCP 37 192.168.1.18 192.168.1.253 80 TIME_WAIT
19 TCP 37 192.168.1.18 192.168.1.253 80 TIME_WAIT
20 TCP 37 192.168.1.18 192.168.1.253 80 TIME_WAIT
21 TCP 67 192.168.1.18 192.168.1.253 80 TIME_WAIT
22 UDP 36 192.168.1.18 192.168.1.255 17500 UNREPLIED
23 TCP 6 192.168.1.18 192.168.1.253 80 TIME_WAIT
24 TCP 15 192.168.1.18 192.168.1.253 80 TIME_WAIT
25 UDP 36 192.168.1.18 255.255.255.255 17500 UNREPLIED
26 TCP 117 192.168.1.18 192.168.1.253 80 TIME_WAIT
27 TCP 9 192.168.1.18 192.168.1.253 80 TIME_WAIT
28 TCP 61 192.168.1.18 192.168.1.253 80 TIME_WAIT
29 TCP 89 192.168.1.18 192.168.1.253 80 TIME_WAIT
30 TCP 33 192.168.1.18 192.168.1.253 80 TIME_WAIT
31 TCP 37 192.168.1.18 192.168.1.253 80 TIME_WAIT
32 TCP 92 192.168.1.18 192.168.1.253 80 TIME_WAIT
33 TCP 104 192.168.1.18 192.168.1.253 80 TIME_WAIT
34 TCP 37 192.168.1.18 192.168.1.253 80 TIME_WAIT
35 TCP 12 192.168.1.18 192.168.1.253 80 TIME_WAIT
36 UDP 45 192.168.1.253 207.46.130.100 123 UNREPLIED
37 TCP 3599 192.168.1.18 192.168.1.253 80 ESTABLISHED
38 UDP 63 192.168.1.6 192.168.1.255 137 UNREPLIED
39 TCP 111 192.168.1.18 192.168.1.253 80 TIME_WAIT
40 TCP 3599 192.168.1.18 192.168.1.253 80 ESTABLISHED
41 TCP 101 192.168.1.18 192.168.1.253 80 TIME_WAIT
42 TCP 39 192.168.1.18 192.168.1.253 80 TIME_WAIT
43 TCP 49 192.168.1.18 192.168.1.253 80 TIME_WAIT
44 UDP 47 192.168.1.6 255.255.255.255 17500 UNREPLIED
45 TCP 37 192.168.1.18 192.168.1.253 80 TIME_WAIT
46 TCP 58 192.168.1.18 192.168.1.253 80 TIME_WAIT
47 UDP 42 192.168.1.253 209.81.9.7 123 UNREPLIED
48 UDP 54 192.168.1.18 192.168.1.255 137 UNREPLIED
49 UDP 47 192.168.1.6 192.168.1.255 17500 UNREPLIED
50 TCP 21 192.168.1.18 192.168.1.253 80 TIME_WAIT
51 TCP 95 192.168.1.18 192.168.1.253 80 TIME_WAIT
52 UDP 48 192.168.1.253 192.36.144.23 123 UNREPLIED
53 TCP 37 192.168.1.18 192.168.1.253 80 TIME_WAIT
54 TCP 98 192.168.1.18 192.168.1.253 80 TIME_WAIT
55 TCP 24 192.168.1.18 192.168.1.253 80 TIME_WAIT
56 TCP 37 192.168.1.18 192.168.1.253 80 TIME_WAIT
57 TCP 3599 192.168.1.18 192.168.1.253 80 ESTABLISHED
58 UDP 35 192.168.1.6 192.168.1.255 138 UNREPLIED
59 TCP 37 192.168.1.18 192.168.1.253 80 TIME_WAIT
60 TCP 37 192.168.1.18 192.168.1.253 80 TIME_WAIT
61 TCP 107 192.168.1.18 192.168.1.253 80 TIME_WAIT
62 TCP 3599 192.168.1.18 192.168.1.253 80 ESTABLISHED
63 TCP 83 192.168.1.18 192.168.1.253 80 TIME_WAIT
64 TCP 3599 192.168.1.18 192.168.1.253 80 ESTABLISHED
65 TCP 64 192.168.1.18 192.168.1.253 80 TIME_WAIT
66 TCP 2 192.168.1.18 192.168.1.253 80 TIME_WAIT
67 TCP 80 192.168.1.18 192.168.1.253 80 TIME_WAIT
68 TCP 27 192.168.1.18 192.168.1.253 80 TIME_WAIT
69 UDP 21 192.168.1.6 255.255.255.255 67 UNREPLIED
mrjcd
DD-WRT Guru


Joined: 31 Jan 2015
Posts: 2675
Location: Texas

PostPosted: Sat Jun 11, 2016 2:52    Post subject: Reply with quote
Replace the Ethernet cable between router & AP
FLjeff
DD-WRT Novice


Joined: 07 Jun 2016
Posts: 9

PostPosted: Sat Jun 11, 2016 2:59    Post subject: Reply with quote
Yes, DNSmasq is disabled on the AP on the 'SERVICES' page?

I'll check out a newer build.

I much appreciate you helping me try to ferret out the problem. Will post details when I meet with success.
FLjeff
DD-WRT Novice


Joined: 07 Jun 2016
Posts: 9

PostPosted: Sat Jun 11, 2016 3:00    Post subject: Reply with quote
Will swap cables. Thank you.
FLjeff
DD-WRT Novice


Joined: 07 Jun 2016
Posts: 9

PostPosted: Sat Jun 11, 2016 3:47    Post subject: Reply with quote
Okay... I'm clueless. A newbie question: How would I find a newer build that might work on a WNDR3400v1?

Thanks in advance for any advice?
mrjcd
DD-WRT Guru


Joined: 31 Jan 2015
Posts: 2675
Location: Texas

PostPosted: Sat Jun 11, 2016 4:06    Post subject: Reply with quote
ftp://ftp.dd-wrt.com/betas/2015/09-28-2015-r27858/broadcom_K26/

use
dd-wrt.v24-27858_NEWD-2_K2.6_mini-nv64k.bin
or
dd-wrt.v24-27858_NEWD-2_K2.6_mega-nv64k.bin

the dd-wrt.v24-27858_NEWD-2_K2.6_mini-WNDR3400.chk in that directory is to go from stock firmware to dd-wrt.

Since you already have dd-wrt use one of the two builds I listed ... same firmware as my E1200v2 and the WNDR3700v3 uses.
It's a decent build.

EDIT: I recommend you install the mini version Smile
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