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322 posts

Ultimate Geek
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Topic # 150156 13-Jul-2014 11:44
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Anyone here familiar with the Netcomm NF4V device? (I'm currently using this for Snap UFB + 2talk VoIP, and both work great).

I've got an issue where LAN clients are unable to access or ping any WLAN clients, and in reverse WLAN clients are unable to access or ping any LAN clients.

NF4V is setup with IP 10.0.0.1
DHCP set to assign 10.0.0.100 > 10.0.0.120

LAN (ethernet) connected devices:
10.0.0.2 - NAS (static IP)
10.0.0.4 - Printer (static IP)
10.0.0.100 - Desktop PC (DHCP assigned IP)

WLAN connected devices:
10.0.0.103 - Android Phone (DHCP)
10.0.0.102 - Laptop (DHCP)

Both the WLAN devices can ping the NFV4 (10.0.0.1) and access the admin web pages.
But neither WLAN device can ping any LAN connected device (NAS, Printer, or desktop)

And LAN connected desktop PC cannot ping any of the WLAN connected devices (phone or laptop).

It seems the NFV4 is isolating the LAN and WLAN into separate VLAN's perhaps?
And I can't seem to find anything in the NFV4 settings that will fix this?
Under Wireless settings there is an option for "Clients Isolation", but when that is enabled that only isolates the WLAN clients, stopping them from accessing each other.
Also there is no firewall setup on the NFV4, but perhaps I need one with LAN <> WLAN rules?

Any advice?
Thanks

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Uber Geek
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  Reply # 1088036 13-Jul-2014 12:13
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Same issue here, raised a ticket, suggestion was a firmware update and then provide details of my network.

Couldnt be bothered so just bought another gigabit switch and turned wifi in the netcomms off and use another accesspoint.  If ifs failing in simpler networks with only one of them, then perhaps raise a ticket with them so you dont have as much work detailing your network and then they might look into it.

IMO its a pretty major fault, and I have tried turning spanning tree on for the other switches here to see if that helped, but it didnt and the netcomm didnt even show in the list on the other switches.




Richard rich.ms



322 posts

Ultimate Geek
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  Reply # 1088037 13-Jul-2014 12:21
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Already updated to most recent firmware, and also submitted a support ticket to Netcomm, awaiting a response.

Interestingly like you I also have a second wireless AP (TP Link TL-WR1043ND), which I connected from NF4V LAN port to TP Link LAN port, turned off Wifi on NF4V, and then any WLAN clients on the TP Link AP worked perfectly fine, and could see and talk to clients on the NF4V LAN.

But this is not ideal, as I have the NF4V at one end of the house, and the TP Link AP at the other, and use the same SSID, so I'm covered by WLAN across the house.
Its just when I'm connected to the NF4V, no access to LAN devices (e.g. no NAS access).

Stu

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  Reply # 1088041 13-Jul-2014 12:33
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Same problem here. Tried all the usual and no luck. A few other mentions of the problem around the web and one other I think here on Geekzone. No actual solution so far. Power cycling works for anything from a few hours to sometimes up to a few days. Currently looking for a replacement and intend going for a separate modem and wireless router.

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  Reply # 1088042 13-Jul-2014 12:33
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I have had issues with the inbuilt switch too, I was often seeing it not pass things between ports when devices roamed between APs that were on different ports.

since I moved all my servers to the shed or garage I didnt need my big switch in the cupboard in the house, I was hoping to just use the switches in the routers as they are gigabit, but seems not reliable. I have a small switch with POE on it coming so will just use that and forget about the internal swiches on the netcomms, and with the move to some unifi APs I wont be wanting the wireless in the netcomm so they will be fine for me. It seemed that if something like my phone roamed from one AP to another, it would see everything on that segment, it would see the router, but it would not see out the other ethernet ports to the rest of my network.

I think there may have been thruput issues with the switch as well, but I didnt really try it for very long in a config where the routers switch was the one sitting between my cables out to the shed, the garage, and the bedroom because I was constatnly seeing issues in even seeing all the devices. 

I certainly will not be recommending them to friends as a cheap VDSL router till they sort out these obvious and facepam grade failures for a router.




Richard rich.ms

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Wannabe Geek


  Reply # 1244138 22-Feb-2015 14:43
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Sorry to be digging up old threads, but I have searching for a while and have found no answers. Has anyone found a solution or workaround to this problem?

Thanks

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  Reply # 1244171 22-Feb-2015 15:13
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No solution. Using a single ethernet port on the netcomm into a proper switch and not using its wifi has got me a working network so not bothered to look into it anymore.

The router is reliable with no reboots needed so I have had no other reason to look into a replacement.




Richard rich.ms

Stu

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  Reply # 1244173 22-Feb-2015 15:14
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No solution other than my NF4V is now used purely as a modem, and is bridged with an ASUS router. Works perfectly.




Keep calm, and carry on posting.

 

 

 

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  Reply # 1244183 22-Feb-2015 15:28
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Oh well, kind of disappointed, but yea I'll just use another AP for wireless. Hopefully they fix this in the future, although it seems doubtful since they haven't fixed it already.
Thanks anyway!

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Ultimate Geek
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  Reply # 1244258 22-Feb-2015 17:07
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Yes its the AP isolation feature (wireless clients can talk to the router and internet, but not other things on the lan, useful for a guest wireless network), problem is there is no tickbox to turn it off.

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  Reply # 1244266 22-Feb-2015 17:21
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Its not AP isolation, its worse than that, its also to some of the lan and not other parts. Its like the mac fowarding tables are just getting frozen in time.




Richard rich.ms

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