Google Nest Hub on AC86U Network Connection Error / Fails to Connect (Stock FW)

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HaCKeRReKCaH

New Around Here
Hello All,

I am tearing my hair out trying to get my Google Home Hub (rebranded to Google Nest Hub) to connect to my WiFi. Hoping someone can point me in the right direction...

Environment:
I am running an Asus AC86U on latest stock firmware (3.0.0.4.386_44470-g53bccb8 which I updated today). My settings are essentially defaults except for changes that I have found as possible fixes in my google searching, I can do a full factory reset if it helps in diagnosing the issue further.

Behavior:
When I plug the Home Hub (Nest Hub) in, I go through the setup steps and appears to get stuck on "Connecting to Network" or "Check Internet Connection" error. I hve confirmed with Google's support team that if I connect to a hotspot on my phone (bypassing my Asus router) that the home hub connects to it fine and comes online happily.

From the Asus router itself, I can see that the device gets an IP address (which I statically assign with DHCP to help with troubleshooting). If I run TCPDump looking for the device's IP, I get some interesting messages about unreachable addresses:


15:53:15.726850 IP (tos 0x0, ttl 64, id 47369, offset 0, flags [none], proto ICMP (1), length 130)
192.168.1.12 > dns.google: ICMP 192.168.1.12 udp port 53084 unreachable, length 110
IP (tos 0x0, ttl 58, id 43919, offset 0, flags [none], proto UDP (17), length 102)
dns.google.domain > 192.168.1.12.53084: [udp sum ok] 61624 q: A? connectivitycheck.gstatic.com. 1/0/1 connectivitycheck.gstatic.com. A 172.217.21.35 ar: . OPT UDPsize=512 (74)
15:53:15.726867 IP (tos 0x0, ttl 63, id 47369, offset 0, flags [none], proto ICMP (1), length 130)
<<WANIP>> > dns.google: ICMP <<WANIP>> udp port 53084 unreachable, length 110
IP (tos 0x0, ttl 58, id 43919, offset 0, flags [none], proto UDP (17), length 102)
dns.google.domain > <<WANIP>>.53084: [udp sum ok] 61624 q: A? connectivitycheck.gstatic.com. 1/0/1 connectivitycheck.gstatic.com. A 172.217.21.35 ar: . OPT UDPsize=512 (74)
15:53:15.727905 IP (tos 0x0, ttl 64, id 47370, offset 0, flags [none], proto ICMP (1), length 142)
192.168.1.12 > dns.google: ICMP 192.168.1.12 udp port 40675 unreachable, length 122
IP (tos 0x0, ttl 58, id 28092, offset 0, flags [none], proto UDP (17), length 114)
dns.google.domain > 192.168.1.12.40675: [udp sum ok] 15131 q: AAAA? connectivitycheck.gstatic.com. 1/0/1 connectivitycheck.gstatic.com. AAAA 2a00:1450:4019:806::2003 ar: . OPT UDPsize=512 (86)
15:53:15.727905 IP (tos 0x0, ttl 64, id 47370, offset 0, flags [none], proto ICMP (1), length 142)
192.168.1.12 > dns.google: ICMP 192.168.1.12 udp port 40675 unreachable, length 122
IP (tos 0x0, ttl 58, id 28092, offset 0, flags [none], proto UDP (17), length 114)
dns.google.domain > 192.168.1.12.40675: [udp sum ok] 15131 q: AAAA? connectivitycheck.gstatic.com. 1/0/1 connectivitycheck.gstatic.com. AAAA 2a00:1450:4019:806::2003 ar: . OPT UDPsize=512 (86)
15:53:15.727922 IP (tos 0x0, ttl 63, id 47370, offset 0, flags [none], proto ICMP (1), length 142)
<<WANIP>> > dns.google: ICMP <<WANIP>> udp port 40675 unreachable, length 122

Aside from these, I cannot identify anything that would be causing a problem on the network...

Does anyone have any ideas about what could be going wrong and causing the problem? Or further troubleshooting steps to try?

Settings:

Below is a list of all the settings that I could imagine being relevant:
  • Wireless General:
    1630840668555.png
  • Wireless - WPS: OFF
  • Wireless - Professional. NOTE: 5GHz is set with Enable Radio: NO
    1630840761295.png
  • Wireless - Roaming Block List: OFF
  • LAN - Route: Enable Static Routes: OFF
  • LAN - IPTV: All set to non or disable
    1630840912073.png
  • LAN - Switch Control: Jumbo Frame: DISABLE
  • WAN - Internet Connection:
    1630841006050.png
  • WAN - Dual WAN: OFF, Primary WAN: WAN
  • WAN - Port Trigger: Enable Port Trigger: NO
  • WAN - Virtual Server / Port Forwarding: Enable Port Forwarding: ON
    (No forwarding is setup though)
  • WAN - DMZ: Enable DMZ: OFF
  • WAN - DDNS: ENABLED (asus provider)
  • WAN - NAT Passthrough:
    1630842011159.png
  • Firewall - General:
    • Enable Firewall: YES
    • Enable DoD Protection: NO
    • Logged Packers Type: Both
    • Respond to ICMP Echo (ping) Request from WAN: YES
    • Enable IPv6 Firewall: NO
  • Firewall - URL Filter: Enable URL Filter: DISABLED
  • Firewall - Keyword Filter: Enable Keyword Filter: DISABLED
  • Firewall - Network Services Filter: Enable Network Services Filter:NO
  • IPv6 - Connection Type: DISABLE
 
Last edited:

bbunge

Part of the Furniture
Use Dual Band Smart connect
2.4 GHz at 20 MHz on fixed channel
5 GHz at 80 MHz on channel 36 or 149
A hard factory reset for the router may be in order.
And static addresses are assigned at the client. The router does manually assigned via DHCP.
SSID and passphrase alpha numeric only!
 

HaCKeRReKCaH

New Around Here
Use Dual Band Smart connect
2.4 GHz at 20 MHz on fixed channel
5 GHz at 80 MHz on channel 36 or 149
A hard factory reset for the router may be in order.
And static addresses are assigned at the client. The router does manually assigned via DHCP.
I will try the band settings you suggested.

I use static IPs on some of my devices (assigned at the device) and the google home hub / nest hub is using a "Manually Assigned IP around the DHCP list" (as per ASUS GUI).
 

OzarkEdge

Part of the Furniture
I will try the band settings you suggested.

I use static IPs on some of my devices (assigned at the device) and the google home hub / nest hub is using a "Manually Assigned IP around the DHCP list" (as per ASUS GUI).

Just an FYI... the router auto- and manually-assigned IPs should be within the router's DHCP IP pool; client static IPs outside it.

OE
 

HaCKeRReKCaH

New Around Here
Yep, statics are all above 100 (except the router that’s on .1). Manually assigned IP for the home hub is on .12 which is within the dhcp range.
 

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