LAN - DD-WRT - INTERNET

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Laci
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Joined: 10 Dec 2019
Posts: 11

PostPosted: Tue Dec 10, 2019 1:15    Post subject: LAN - DD-WRT - INTERNET Reply with quote
I have a DD-WRT v3.0-r41664 std (12/06/19) - Netgear R6300v2

My goal is simple, use this a router between my LAN and the internet, as a standard router:
LAN - DD-WRT - Internet
All I can get is having the internet working on the DD-WRT but not on LAN.
On the LAN I can ping DD-WRT (192.168.1.1), I can ping the public IP my router gets, but nothing else Crying or Very sad

When I try to ping anything on the internet I'm getting:

Quote:
PING 8.8.4.4 (8.8.4.4): 56 data bytes
Request timeout for icmp_seq 0
Request timeout for icmp_seq 1
Request timeout for icmp_seq 2


Setup -> Basic Setup -> WAN Setup: DHCP (indeed I get the public IP from my ISP)
Setup -> Basic Setup ->Network Setup -> Local IP Address: 192.168.1.1
Setup -> Basic Setup ->Network Setup -> Subnet Mask: 255.255.255.0
Setup -> Basic Setup ->Network Setup -> Gateway 0.0.0.0
Setup -> Basic Setup ->Network Setup -> Local DNS 0.0.0.0
Setup -> Advanced routing -> Operating mode: Router (no other configurations)
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kernel-panic69
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Location: Texas, USA

PostPosted: Tue Dec 10, 2019 1:20    Post subject: Reply with quote
This is not the Broadcom forum. But, for your setup, you need to be in Gateway mode.
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Laci
DD-WRT Novice


Joined: 10 Dec 2019
Posts: 11

PostPosted: Tue Dec 10, 2019 1:27    Post subject: Reply with quote
Thank you!
When I tried that my LAN device received the public IP from the ISP, is there another setting I missed or I should look for?

Btw, the R6300v2 is an ARM device https://wiki.dd-wrt.com/wiki/index.php/Netgear_R6300v2
kernel-panic69
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Location: Texas, USA

PostPosted: Tue Dec 10, 2019 1:40    Post subject: Reply with quote
Yes, a Broadcom ARM device:

Quote:
Hardware Specs
CPU Broadcom BCM4708A0


Is the cable from your modem plugged into the correct port?

Are you sure it's configured DHCP server for local and not DHCP forwarder on the basic setup page?

"Network Address Server Settings (DHCP)"

DHCP Type - DHCP Server
DHCP Server - Enable

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Laci
DD-WRT Novice


Joined: 10 Dec 2019
Posts: 11

PostPosted: Tue Dec 10, 2019 2:06    Post subject: Reply with quote
kernel-panic69, setting it to Gateway then rebooting did the trick.
Thank you for your help!

PS: I got to the ARM by forum.dd-wrt.com -> DD-WRT (English) -> ARM or PPC based Hardware
Laci
DD-WRT Novice


Joined: 10 Dec 2019
Posts: 11

PostPosted: Tue Dec 10, 2019 2:50    Post subject: Reply with quote
Interesting thing, sometimes in Gateway mode WAN Connection Type is disabled under Basic Setup and that’s when my LAN devices gets the public
Laci
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Joined: 10 Dec 2019
Posts: 11

PostPosted: Tue Dec 10, 2019 3:09    Post subject: Reply with quote
and I got stuck here, I can't re-enable WAN, no matter to what mode I set the router; this looks to me like a bug Shocked
kernel-panic69
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Posts: 14207
Location: Texas, USA

PostPosted: Tue Dec 10, 2019 3:24    Post subject: Reply with quote
You may have to go to the Administration tab and then to the factory defaults page and reset it and start over. That's a new one on me, I haven't seen that happen. Usually the defaults are WAN is automatic DHCP and all of the rest of the network stuff is good, shouldn't have had to do much. Did you reset to defaults immediately after it booting into DD-WRT after flashing? Sometimes, clearing browser cache, clicking save and/or apply will unlock things, but sometimes you just have to start over. You may have fun getting wireless settings to stick as well. Known issues, sometimes it doesn't want to play nice.
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Laci
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Joined: 10 Dec 2019
Posts: 11

PostPosted: Tue Dec 10, 2019 5:51    Post subject: Reply with quote
I did all the setting from private browsing (some with ssh) but I didn't reset it after flashing. I'm going to give it a try later this week and let you know what I got
kernel-panic69
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PostPosted: Tue Dec 10, 2019 5:54    Post subject: Reply with quote
Ok.
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Laci
DD-WRT Novice


Joined: 10 Dec 2019
Posts: 11

PostPosted: Wed Dec 11, 2019 0:28    Post subject: Reply with quote
After factory defaults WAN interface came back, then after the first reboot it went away Smile
kernel-panic69
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PostPosted: Wed Dec 11, 2019 0:34    Post subject: Reply with quote
Why must Netgear and Asus be such special Ks. Confused Sad

Not sure if upgrading to today's build (41686) will help or not, but there is some kinda funky gremlin going on. What exactly did you configure to what particular settings?

The reset to defaults should have been enough to get you started. You may have to go into telnet / ssh and do an 'nvram erase && reboot' for it to reset properly. I rarely use that option on any router, but I think with some of the webUI gremlins that seem to be creeping up, it might be necessary.

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Laci
DD-WRT Novice


Joined: 10 Dec 2019
Posts: 11

PostPosted: Wed Dec 11, 2019 1:09    Post subject: Reply with quote
Unfortunately I don't remember what I did exactly, I change bunch of things over 10 minutes or so, I can't recall all, I'm sorry.

However, I'm going to keep this device as a WiFi client-bridge so I don't care anymore about the WAN port
kernel-panic69
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Posts: 14207
Location: Texas, USA

PostPosted: Wed Dec 11, 2019 1:16    Post subject: Reply with quote
Whatever is functional and fits your needs, I s'pose. Glad you got something working Cool
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Laci
DD-WRT Novice


Joined: 10 Dec 2019
Posts: 11

PostPosted: Wed Dec 11, 2019 11:59    Post subject: Reply with quote
I started using DD-WRT around 2008, then usually everything works and I don't have to touch it for years - that's when I forget how things are done. Unless it is internet facing then you have to keep it up to date. I think it is the best solution when you look at the cost/features
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