[Solved] Dumb AP uses wrong interface itself

Installing and Using OpenWrt Network and Wireless Configuration
1

My dumb AP has 3 interfaces: private network (main), guest network (separated) and IoT network (no wan access). On my router I have a static IP for the dumb AP in the private network. However, the dumb AP takes/receives an IP from the IoT pool and thus has no internet access (cannot update the opkg or ping). How can I solve this? I want the dumb AP to use my main private network so it also has internet access itself.

(Devices connected to the dumb AP have internet and work correctly, and I am able to SSH into the dumb AP).

2

reconfigure it to use the other network ?

it's IP have no relevance for the traffic flowing through it ...

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3

Can you tell me how? I have only very basic knowledge and mostly followed guides.

4

can't tell, since you haven't told as anything about your network ...

how are the three interfaces separated ? subnets ? VLANs ?

5

I solved it already but here is the information for others:

root@OpenWrt-AP:~# route -n
Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
0.0.0.0         172.16.0.1      0.0.0.0         UG    0      0        0 br-IOT
10.20.30.0      0.0.0.0         255.255.255.0   U     0      0        0 br-GUEST
172.16.0.0      0.0.0.0         255.255.255.0   U     0      0        0 br-IOT
192.168.1.0     0.0.0.0         255.255.255.0   U     0      0        0 br-lan

root@OpenWrt-AP:~# route del default

root@OpenWrt-AP:~# ip route add default via 192.168.1.1

root@OpenWrt-AP:~# route -n
Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
0.0.0.0         192.168.1.1     0.0.0.0         UG    0      0        0 br-lan
10.20.30.0      0.0.0.0         255.255.255.0   U     0      0        0 br-GUEST
172.16.0.0      0.0.0.0         255.255.255.0   U     0      0        0 br-IOT
192.168.1.0     0.0.0.0         255.255.255.0   U     0      0        0 br-lan

Reboot the AP
6

If the guest and IoT networks are just bridges to a main router, they should not have IPs at all on the dumb AP. The only reason a truly dumb AP needs any IP is to log in and administer it. This would be one IP on a trusted network.

4 Likes
7

I see thanks. Can I leave it like this anyway (since it works) or should I invest time to fix this?

8

Really up to you, but as mk24 said, those additional IPs aren't needed for anything.

9

It is quite simple, just change the protocol of the iot and guest interfaces from static to unmanaged.

4 Likes
10

That was easy. Done!

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11

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13

be aware if the bridges have no IP address (i.e. they are unmanaged) then OpenWRT will not show any performance metrics. e.g. if you have a wireless AP connected to a bridge without that bridge having an IP ADDR you will not be able to see which wireless devices are connected to the AP or what are the wireless RX/TX data rates. Not sure if this is by design or someone has forgot to hook something in.

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