How to change the ipadres of wlan0

[Fietsenwiel]

I installed an new image of AvNav. The ip adres of wlan0 is 192.168.60.10.

I like to change that and I see you can change that in: /etc/network/interfaces.d/wlan0

Its working (ifconfig shows the new ipadres) but connecting is not possible anymore. So I think it has to be change anywhere else too, maybe the dhcp server?

Can you please help me in the right direction?

[free-x]

don't know why you need this to do

• /etc/network/interfaces.d/wlan0
• /etc/dnsmasq.d/avnav-dnsmasq.conf
• /etc/iptables.ipv4.nat

Don't forget to reboot

Regards free-x

[Fietsenwiel]

Thanks for your fast reaction.

I changed 192.168.60.10 in my own ipadress (10.10.10.1) In /etc/dnsmasq.d/avnav-dnsmasq.conf of course only 192.168.60 for 10.10.10 But then still I can't connect...

Thanks in advance.

Greeting

Lschip

Op wo 10 apr 2024 om 16:13 schreef free-x @.***>:

don't know why you need this to do

• /etc/network/interfaces.d/wlan0
• /etc/dnsmasq.d/avnav-dnsmasq.conf
• /etc/iptables.ipv4.nat

Don't forget to reboot

Regards free-x

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[free-x]

Could you provide Output of "ifconfig", "route -n", your changed config files?

Regards free-x

[Fietsenwiel]

@.***:~ $ ifconfig eth0: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500 ether dc:a6:32:b2:9b:cd txqueuelen 1000 (Ethernet) RX packets 0 bytes 0 (0.0 B) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 0 bytes 0 (0.0 B) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0

eth0:avahi: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500 inet 169.254.14.92 netmask 255.255.0.0 broadcast 169.254.255.255 ether dc:a6:32:b2:9b:cd txqueuelen 1000 (Ethernet)

lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536 inet 127.0.0.1 netmask 255.0.0.0 inet6 ::1 prefixlen 128 scopeid 0x10 loop txqueuelen 1000 (Local Loopback) RX packets 245912 bytes 48250305 (46.0 MiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 245912 bytes 48250305 (46.0 MiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0

wlan0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 inet 10.10.10.1 netmask 255.255.255.0 broadcast 0.0.0.0 inet6 fe80::20f:55ff:fea8:9e0 prefixlen 64 scopeid 0x20 ether 00:0f:55:a8:09:e0 txqueuelen 1000 (Ethernet) RX packets 0 bytes 0 (0.0 B) RX errors 0 dropped 1 overruns 0 frame 0 TX packets 748 bytes 280078 (273.5 KiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0

wlan-av1: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 inet 192.168.0.198 netmask 255.255.255.0 broadcast 192.168.0.255 inet6 fe80::dea6:32ff:feb2:9bce prefixlen 64 scopeid 0x20 ether dc:a6:32:b2:9b:ce txqueuelen 1000 (Ethernet) RX packets 6214 bytes 1618886 (1.5 MiB) RX errors 0 dropped 2 overruns 0 frame 0 TX packets 5429 bytes 2024562 (1.9 MiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0

@.***:~ $ route -n Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 0.0.0.0 192.168.0.2 0.0.0.0 UG 10 0 0 wlan-av1 0.0.0.0 0.0.0.0 0.0.0.0 U 1002 0 0 eth0 10.10.10.0 0.0.0.0 255.255.255.0 U 0 0 0 wlan0 169.254.0.0 0.0.0.0 255.255.0.0 U 0 0 0 eth0 192.168.0.0 0.0.0.0 255.255.255.0 U 0 0 0 wlan-av1

cat /etc/network/interfaces.d/wlan0

allow-hotplug wlan0 iface wlan0 inet manual wireless-power off up /sbin/ip -4 addr replace 10.10.10.1/24 dev $IFACE || true up /usr/lib/avnav/raspberry/hostapd $IFACE down /usr/lib/avnav/raspberry/hostapd -s $IFACE

@.***:~ $ cat /etc/dnsmasq.d/avnav-dnsmasq.conf interface=wlan0,wlan-ap,wlan-ap2,wlan1 domain=avnav dhcp-range=wlan-ap,10.10.10.20,10.10.10.254,255.255.255.0,12h dhcp-range=wlan0,192.168.30.20,192.168.30.254,255.255.255.0,12h dhcp-range=wlan-ap2,192.168.40.20,192.168.40.254,255.255.255.0,12h dhcp-range=wlan1,192.168.50.20,192.168.50.254,255.255.255.0,12h dhcp-option=42,0.0.0.0 addn-hosts=/usr/lib/avnav/raspberry/hosts

@.***:~ $ cat /etc/iptables.ipv4.nat

Generated by iptables-save v1.4.21 on Tue Jul 19 03:16:26 2016

*nat :PREROUTING ACCEPT [0:0] :INPUT ACCEPT [0:0] :OUTPUT ACCEPT [0:0] :POSTROUTING ACCEPT [0:0] -A PREROUTING -d 192.168.20.10/32 -p tcp -m tcp --dport 80 -j REDIRECT --to-ports 8080 -A PREROUTING -d 192.168.30.10/32 -p tcp -m tcp --dport 80 -j REDIRECT --to-ports 8080 -A PREROUTING -d 192.168.40.10/32 -p tcp -m tcp --dport 80 -j REDIRECT --to-ports 8080 -A PREROUTING -d 192.168.50.10/32 -p tcp -m tcp --dport 80 -j REDIRECT --to-ports 8080 -A PREROUTING -d 192.168.60.10/32 -p tcp -m tcp --dport 80 -j REDIRECT --to-ports 8080 -A PREROUTING -d 10.10.10.1/32 -p tcp -m tcp --dport 80 -j REDIRECT --to-ports 8080 -A PREROUTING -i eth0 -p tcp -m tcp --dport 80 -j REDIRECT --to-ports 8080 -A OUTPUT -p tcp -o lo --dport 80 -j REDIRECT --to-ports 8080 -A POSTROUTING -o wlan-av1 -j MASQUERADE -A POSTROUTING -o eth0 -j MASQUERADE -A POSTROUTING -o usb0 -j MASQUERADE COMMIT ..... .....

Op wo 10 apr 2024 om 17:35 schreef free-x @.***>:

Could you provide Output of "ifconfig", "route -n", your changed config files?

Regards free-x

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[wellenvogel]

Could you explain what you would like to achieve? There is alot of players in the game that need to function correctly. How do you connect when making the changes?

[Fietsenwiel]

Hi Andreas,

I always used this host adres (10.10.10.1) for connecting with the tablet(s) to the raspberry pi with AvNav. It's in my documentation, qr code on the boat and I have an arduino with this host adres fixed programmed.

So I thought it is easy to change the host adres and everything else stays the same...

Thanks in advance,

Lschip

Op wo 10 apr 2024 om 19:36 schreef Andreas Vogel @.***>:

Could you explain what you would like to achieve? There is alot of players in the game that need to function correctly. How do you connect when making the changes?

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[free-x]

Do I understand correctly that you are migrating from OpenPlotter to AvNav Image?

[wellenvogel]

Sorry l don't get this completely... How did you set up a pi in the past to use this address? Finally you have to change the interface addresses, the dhcp config, the iptables stuff - as free-x mentioned. It's much simpler to rely on Bonjour aka avahi to connect. This way you can even change the ip setup without affecting the clients.

[wellenvogel]

btw: in your config you changed the ip for wlan0 but the dhcp for wlan-ap. You should check your client ip setup und routing to see if they could connect to your address...

[Fietsenwiel]

The previous installation was an raspberry pi image which I configured like I wanted to be and then I installed AvNav on it. But now I use the latest AvNaV image.

Your right about wlan0 an the wlan-ap. I want the accespoint to be my ip adres (10.10.10.1).

So changing /etc/network/interfaces.d/wlan0 is wrong then?

Op wo 10 apr 2024 om 20:07 schreef Andreas Vogel @.***>:

btw: in your config you changed the ip for wlan0 but the dhcp for wlan-ap. You should check your client ip setup und routing to see if they could connect to your address...

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[free-x]

@wellenvogel means your avnav-dnsmasq.conf should look like this interface=wlan0,wlan-ap,wlan-ap2,wlan1 domain=avnav dhcp-range=wlan-ap,192.168.60.20,192.168.60.254,255.255.255.0,12h dhcp-range=wlan0,10.10.10.20,10.10.10.254,255.255.255.0,12h dhcp-range=wlan-ap2,192.168.40.20,192.168.40.254,255.255.255.0,12h dhcp-range=wlan1,192.168.50.20,192.168.50.254,255.255.255.0,12h dhcp-option=42,0.0.0.0 addn-hosts=/usr/lib/avnav/raspberry/hosts

[Fietsenwiel]

Ok, I changed that according to your latest mail. I can see the accespoint but when I try to connect it does not. Still the same problem....

Op wo 10 apr 2024 om 20:34 schreef free-x @.***>:

@wellenvogel https://github.com/wellenvogel means your avnav-dnsmasq.conf should look like this interface=wlan0,wlan-ap,wlan-ap2,wlan1 domain=avnav dhcp-range=wlan-ap,192.168.60.20,192.168.60.254,255.255.255.0,12h dhcp-range=wlan0,10.10.10.20,10.10.10.254,255.255.255.0,12h dhcp-range=wlan-ap2,192.168.40.20,192.168.40.254,255.255.255.0,12h dhcp-range=wlan1,192.168.50.20,192.168.50.254,255.255.255.0,12h dhcp-option=42,0.0.0.0 addn-hosts=/usr/lib/avnav/raspberry/hosts

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[wellenvogel]

Could you please provide the info I have asked for - i.e. the client set up when connected to the AvNav wifi? Ip, routes...

[Fietsenwiel]

I'm lost now. I restored the original files but the problems stays. Now even the ap disappears and comes back al the time, connecting is not possible.

i now see this: @.***:~ $ ifconfig wlan-ap: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 inet 192.168.30.10 netmask 255.255.255.0 broadcast 0.0.0.0 inet6 fe80::20f:55ff:fea8:9e0 prefixlen 64 scopeid 0x20 ether 00:0f:55:a8:09:e0 txqueuelen 1000 (Ethernet) RX packets 0 bytes 0 (0.0 B) RX errors 0 dropped 1 overruns 0 frame 0 TX packets 243 bytes 70167 (68.5 KiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0

@.***:~ $ route Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface default RT-AC87U-19B0 0.0.0.0 UG 1 0 0 eth0 default RT-AC87U-19B0 0.0.0.0 UG 10 0 0 wlan-av1 link-local 0.0.0.0 255.255.0.0 U 1000 0 0 eth0 192.168.0.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0 192.168.0.0 0.0.0.0 255.255.255.0 U 0 0 0 wlan-av1 192.168.30.0 0.0.0.0 255.255.255.0 U 0 0 0 wlan-ap

It looks good.

The ap shows as "relexed1" while before it was "relexed"

I dont want to consume too much time off you so else I install from scratch (but is a lot of work with extra installed functionality)

Thanks in advance!

Op wo 10 apr 2024 om 21:30 schreef Andreas Vogel @.***>:

Could you please provide the info I have asked for - i.e. the client set up when connected to the AvNav wifi? Ip, routes...

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[wellenvogel]

For me it's still not really clear what you are trying to do. What do you mean with: the ap disappears and comes back al the time, connecting?

Do you talk about connecting to the AvNav wifi? Or about connecting with a browser? Would be really helpful to get a clear description about what exactly you are doing and what exactly does not work.

[Fietsenwiel]

Ok, I am sorry not to be clear enough.

First of all, it works again with the original configuration. First it didn't but my wifi dongle was in the wrong usb port, I corrected that.

I want to connect with a tablet to the Raspberry py to get AvNav on it. And also with a nodemcu (esp8266). Now, the AvNav wifi accespoint has an ip adress of 192.168.60.10. And I can connect with the tablet on it. So no problem at all anymore.

But the only thing is I want is change that hostadres (192.168.60.10) to 10.10.10.1

The most important reason is that I have this ipadress (10.10.10.1) hard coded in a nodemcu and it is hard to change that. I thought it is easy to change the ip adres on the Raspberry pi. But that looks to be wrong....

Op do 11 apr 2024 om 23:26 schreef Andreas Vogel @.***>:

For me it's still not really clear what you are trying to do. What do you mean with: the ap disappears and comes back al the time, connecting?

Do you talk about connecting to the AvNav wifi? Or about connecting with a browser? Would be really helpful to get a clear description about what exactly you are doing and what exactly does not work.

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[free-x]

does nodemcu get 10.x.x.x network assigned via DHCP? or is this also hardcoded?

[Fietsenwiel]

It is hard coded...

Op vr 12 apr 2024 om 08:56 schreef free-x @.***>:

does nodemcu get 10.x.x.x network assigned via DHCP? or is this also hardcoded?

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[wellenvogel]

Ok, first part understood. But the second part is still open: Would be really helpfull to get a clear picture what you did and what EXACTLY did not work as exoected. "Does not connect" is not really a clear description.... So after you changed something it would always be good idea to try with a client where you have some analysis capabilities and check step by step: Wifi connect, IP address, routing, ping, browser And document the results. As said: it's more then just the ip. And again: using dhcp and bonjour is extremly simple even on a node mcu...

[free-x]

@Fietsenwiel what happens when you create an alias on wlan-ap?

sudo ifconfig wlan-ap:0 10.10.10.1 netmask 255.255.255.0 up

[Fietsenwiel]

This doesn't work, I don't have a wlan-ap.

But I am going to start from scratch by installing Bullseye, configuring the wlan like I need and then install avnav on it. I think this is the best way for me to go, then I know how the configuration works.

Thanks for your help anyway.

Op vr 12 apr 2024 om 09:52 schreef free-x @.***>:

@Fietsenwiel https://github.com/Fietsenwiel what happens when you create an alias on wlan-ap?

sudo ifconfig wlan-ap:0 10.10.10.1 netmask 255.255.255.0 up

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[wellenvogel]

So most probably in this case you do not want to install avnav-raspi - as this would set up the Ip as in the image.

[Fietsenwiel]

Yes, maybe that is the richt conclusies.

I want to make more charges like a vpn to my router so that I can acces the raspberry from home.

So then the avnav image is maybe not the best idea.

Thanks for your help!

Op vr 12 apr 2024 14:03 schreef Andreas Vogel @.***>:

So most probably in this case you do not want to install avnav-raspi - as this would set up the Ip as in the image.

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[free-x]

i now see this: @.***:~ $ ifconfig wlan-ap: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 inet 192.168.30.10 netmask 255.255.255.0 broadcast 0.0.0.0 inet6 fe80::20f:55ff:fea8:9e0 prefixlen 64 scopeid 0x20 ether 00:0f:55:a8:09:e0 txqueuelen 1000 (Ethernet) RX packets 0 bytes 0 (0.0 B) RX errors 0 dropped 1 overruns 0 frame 0 TX packets 243 bytes 70167 (68.5 KiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0

This doesn't work, I don't have a wlan-ap.

what now? did you or didn't you? is very confusing, and is too late anyway after your decision

BTW: which RPI do you have? is not clear to me anyway, how is it possible to initialize "wlan0" with our image... Internal WiFi is always assigned "wlan-ap"