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  • SNBForums Code of Conduct

    SNBForums is a community for everyone, no matter what their level of experience.

    Please be tolerant and patient of others, especially newcomers. We are all here to share and learn!

    The rules are simple: Be patient, be nice, be helpful or be gone!

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    DHCPNAK reporting "wrong network" sometimes? What is it?

    Great, that rules out a random connection to nearby router. Does it happen more than once a day? Does the message always have the same starting IP address? DHCPNAK(br0) 192.168.11.xx @kevindb We are not investigating dnsmasq - Both Merlin and I have said the messages were correct - dnsmasq...
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    [SOLVED] 378.50+ not running post-mount script

    Just a small comment. I notice that your file permissions for the scripts are -rwxrwxrwx The last set rwx allows world write, which would allow a hacker if they gained access to your device via a hole in dnsmasq (running as nobody) to change the script. From a security point, this is wrong...
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    DHCPNAK reporting "wrong network" sometimes? What is it?

    OK, you have checked and only one DHCP server on your network and devices always stay home. No trips outside home with devices. Does the message always have the same starting IP? DHCPNAK(br0) 192.168.11.xx When you do a network scan (or get a list of wifi in your area) from the device do...
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    DHCPNAK reporting "wrong network" sometimes? What is it?

    You already asked and got the answer for this message from Merlin on Thursday. http://www.snbforums.com/threads/asuswrt-merlin-378-51-is-out.23198/page-12#post-171801
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    TWC Arris Gateway Wifi loss with Router behind Router

    The non-overlapping channels for 2.4Ghz WiFi are 1, 6, and 11. Why are you using 3? Change this to 1 or 11. Second point. What I think you have configured is ISP --- Arris --- Linksys With linksys in Access Point mode (Lan to Lan connection) Yes you need to turn off DHCP on the linksys. Do...
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    Guest Wifi

    Could it be something else the tenant is doing? Turning on a baby monitor, the microwave to cook, talking on a cordless phone, etc.
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    AC68U - Manually Assigned IPs - inside or outside the DHCP Pool range?

    I read merlin's explanation above differently ... If in your example you Manually tell DHCP to Assign the following IP around the DHCP list for your devices: 192.168.100.80 mysmartphone1 192.168.100.81 mylaptop1 192.168.100.82 mylaptop2 192.168.100.83 myotherdevice The IP addresses manually...
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    [Fork] Asuswrt-Merlin 374.43 LTS releases (Archive)

    I think you are meaning to log attempts to connect to your wireless SSID. The wireless code is closed source, so neither John or Merlin can do any changes in that part. If you are concerned about a neighbor getting past your 63 character wpa2 pre-shared key, you can also enable MAC filtering...
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    Can't connect to 2.4G, please help.

    If update 07 did not solve the 2.4Ghz problem at 20Mhz bandwidth, then I doubt it is a firmware issue. Problem has to be something else.
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    Can't connect to 2.4G, please help.

    Did you try reverting to an older firmware? With two AC66 units you could configure one fully with different SSIDs and older firmware. Then only be down for the time to rename the SSIDs and swap units. Update -07 of Johns fork of Asuswrt-Merlin is older but stable if you are just using as a...
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    Can't connect to 2.4G, please help.

    The quickest fix/check would be to install the older firmware that was working. Here is how the dnsmasq flaw failed. You would have assigned a small DHCP pool say from .21-.30 (10 IP addresses. Then you statically via DHCP assign addresses to .101-111 (11 IP addresses not in the pool)...
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    Can't connect to 2.4G, please help.

    Since 40Mhz uses most of 2.4 channels, try changing to 20Mhz and fixed a channel number 1,6,or 11. If that works, then the DHCP problem I mentioned does not apply. And if that works, it may mean that the one competing network is just close enough to spoil the 40Mhz.
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    Can't connect to 2.4G, please help.

    Wild guess - you updated from a version of firmware before Dec 2014 on the Ac66Us? There was an issue about that time where dnsmasq would run out of available leases if you had a very small DHCP pool combined with many out-of-pool reservations.
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    Port FW/IP tables

    Is not a Virtual Private Network (VPN) client built into your IOS device? https://support.apple.com/en-ca/HT201550 https://support.apple.com/kb/PH11067?locale=en_US Either PPTP or OpenVPN servers are available on the Asus router. Merlin's Wiki has instructions to setup the OpenVPN server...
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    Router WAN port passing out private IP?

    Can you point me to where the bolded things are said in the article please. My interpretation was different. The flaw is only in the modem, and a patch can be put into the router to prevent access to the flaw.
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    Port FW/IP tables

    Rather than punching holes in your firewall and depending on the security of the device, I think you should turn on VPN and use that to get access to your devices.
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    I'm thinking of trying Rmerlin or Fork custom firmware.

    If you are running a version older than 374.43, upgrade to the fork for the security fixes. If that works well for you, take a look at the change logs for new features in newer versions. If you don't need the new features, then stop there. There is state of the art (Merlin's latest) but...
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    Newbie needs help with download speeds

    Sounds like there are too many other wireless users in your area so 40 Mhz at 2.4 G will not work for you. That just leaves 5 G to get the speed your paying for. Did you try 5 Ghz with router and device in the same room with Mode = N only (your old laptop will likely not use 5 Ghz) Channel...
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    Newbie needs help with download speeds

    Please try the 40 Mhz channel bandwidth. From what I see on Internet, if your NIC supports channel bonding setting up your wireless to 40Mhz will double throughput as you get double connection speed and depending on your wireless NIC you can can up to 300Mbpx or even theoretically up to 600Mbps...
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    Newbie needs help with download speeds

    I don't have a connection of your speed so this is all theory. <grin> Pick and set a fixed wireless control channel 1, 6 or 11 on 2.4 Ghz. Set channel bandwidth to 40 Mhz. Check that security is aes and wpa2-personal on all wireless SSIDs (both 5 and 2.4)
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