XRpi – Packet-radio.net

INTERFACE=5 ID=Tunnel to Linux TYPE=TUN COM=tun99 PROTOCOL=IP IOADDR=192.168.25.98 # Chose and free address from your LAN , this will become the linux address of your TUN MTU=1500 ENDINTERFACE #Create a TUN Port: PORT=1 ID="Tunnel Linux <> XR" INTERFACENUM=5 ipaddress=192.168.25.4 # This is my Xrouter ipaddress ENDPORT

ip route default 1 192.168.25.1 d # Default routing ip route add 192.168.25.0/24 192.168.25.98 1 d # Xrouter TUN linux side Address ip route add 192.168.25.228/32 192.168.25.249 1 d # .228 is is my Jnos IP address # .249 is my Linux Ip Address ip route add 44.0.0.0/9 44.135.49.65 3 e # Forward all my AMPR.Org traffic to my Jnos ip route add 44.128.0.0/10 44.135.49.65 3 e

1st: Create a TUN in Jnos # # attach tun tun0 1500 0 # ifconfig tun0 ipaddress 192.168.25.228 ifconfig tun0 netmask 255.255.255.0 ifconfig tun0 mtu 1500 # # 192.168.25.249 is my Jnos Linux TUN address # 192.168.25.228 is my Jnos IP address # 192.168.25.247 is my Linux IP address # shell ifconfig tun0 192.168.25.249 pointopoint 192.168.25.228 mtu 1500 up pause 3 shell ip route add 192.168.25.228 dev tun0 table 44 src 192.168.25.247 shell /usr/sbin/arp -i eth0 -Ds 192.168.25.228 eth0 pub # route add default tun0 192.168.25.247 # raspberry PI 2sd: Make a AXIP Link Jnos <> Xrouter # attach axip om-4 256 192.168.25.249 # Use the Linux TUN ip address ifconfig om-4 description "Link with VA2OM-4 XRPI"

Software is available on this link

Wow, found great software. Yes I know, it has been around for a while. I thought it would be nice to keep me busy on a rainy Saturday. So let’s interface it with LinFBB.

It actually works a bit like BPQ32 and LinFBB with WA8DED emulation. But for XRouter and LinFBB we need a virtual comport. We can make these easily with socat.

sudo apt install socat

Now lets create some comports

# Create pty pair
socat -d -d -ly PTY,link=/home/pi/xrpi/ttyq1 PTY,link=/home/pi/xrpi/ptyq1 &
sleep 2

I have chosen to create this as a normal user and put it in the directory /home/pi/xrpi/. Now as a normal user I can access and use them. I am never much of a fan of doing everything as a Root user.

Now lets configure XRouter.

INTERFACE=5
	TYPE=ASYNC
	COM=/home/pi/xrpi/ttyq1
	PROTOCOL=DEDHOST
	APPLNUM=1
	CHANNELS=4
	SPEED=57600
	FLOW=0
	MTU=256
ENDINTERFACE

APPL=1
	APPLNAME=FBB
	APPLCALL=PI8LAP-1
	APPLALIAS=LAPFBB
	APPLQUAL=254
	APPLFLAGS=4
ENDAPPL

Next is LinFBB… port.sys

# FBB7.0.8-beta8
#
#Ports TNCs
 1     1
#
#Com Interface Adress (Hex)       Baud
1  	 9        /home/pi/xrpi/ptyq1    57600
 
#TNC NbCh Com MultCh Pacln Maxfr NbFwd MxBloc M/P-Fwd Mode  Freq
 0   0    0   0      0     0     0     0      00/01   ----  File-fwd.
1   4    1   1      236   4     1     10     00/15 DUWYL XRpi

Now fist create a start file for XRpi

# First kill running process of socat
sudo kill $(ps aux | grep '[s]ocat' | awk '{print $2}')
# Create pty pair
socat -d -d -ly PTY,link=/home/pi/xrpi/ttyq1 PTY,link=/home/pi/xrpi/ptyq1 &
sleep 2
# Start XRpi(1)
sudo setcap cap_net_raw,cap_net_bind_service=pe xrpi
./xrpi

1. As Normal user, it will need CAP_NET_RAW capability in order to use TCP/IP via the LAN, WiFi or localhost. And it will need CAP_NET_BIND_SERVICE if you wish to open any “service ports” on the linux TCP/IP stack whose numbers are below 1024.

First we have to start XRpi because of course the virtual comports have to be created. After this it is LinFBB’s turn. Now is the time to test.

The link with BPQ32 is also online. Also with virtual comports.

And yes, there is the old trusted LinFBB.

The possibilities are endless with this software. So there goes me free Saturday again.

Category: XRpi

XRpi axip link with Jnos

XRpi interfacing with LinFBB