Linux AX25-HOWTO, Amateur Radio.

Terry Dawson, VK2KTJ, terry@perf.no.itg.telecom.com.au

1. Introduction.

• 1.1 Changes from the previous version
• 1.2 Other related documentation.

2. Where to obtain new versions of this document.

3. Linux and the AX.25 and NetRom Packet Radio Protocols.

4. The AX.25/NetRom software components.

• 4.1 Finding the kernel, tools and utility packages.

5. Installing the AX.25/NetRom software.

• 5.1 Compiling the kernel.
• 5.2 The network configuration tools.
• 5.3 The AX.25 user programs.

6. Configuring a RAW AX.25 connected mode interface.

• 6.1 Creating the /etc/ax25/axports file.
• 6.2 Creating the AX.25 device
• 6.3 Configuring for Dual Port TNC's

7. Configuring an AX.25 interface for tcp/ip.

8. Configuring an AX.25 interface for NetRom.

• 8.1 Configuring /etc/ax25/nrports
• 8.2 Configuring /etc/ax25/nrbroadcast
• 8.3 Creating the NetRom device
• 8.4 Starting the NetRom daemon

9. Configuring IP on a NetRom interface.

10. Configuring an Ethernet device for AX.25 ala BPQ

11. Ottawa PI/PI2 card driver and Gracilis PacketTwin driver.

12. Z8530 SCC Kiss Emulation

• 12.1 Obtaining and building the configuration tool package.
• 12.2 Configuring the driver for your card.
• 12.3 Using the driver.
• 12.4 The sccstat and sccparam tools.

13. Configuring an interface for a Baycom modem.

• 13.1 Compiling the kernel
• 13.2 Compiling the setbaycom utility
• 13.3 Creating the /dev device files.
• 13.4 Loading the module.
• 13.5 A small trap to be aware of.
• 13.6 Some example configurations.
• 13.7 Configuring multiple devices.
• 13.8 Actually using the devices.

14. Configuring ax25d to accept incoming AX.25/Netrom connections.

• 14.1 Creating the /etc/ax25/ax25d.conf file.
• 14.2 A simple example ax25d.conf file.
• 14.3 Starting ax25d
• 14.4 Configuring the node software.
• 14.5 Configuring axspawn.
• 14.6 Configuring the pms

15. HOWTO link NOS and the Linux kernel networking software

• 15.1 Linking NOS and Linux using a pipe device

16. The /proc/ file system entries.

17. Walking on the wilder side .. the developmental software

• 17.1 Enhanced versions of just about everything.
• 17.2 ROSE Packet Layer Support
• 17.3 Soundcard DSP based modem

18. Some sample configurations.

• 18.1 Small Ethernet LAN with Linux as a router to Radio LAN
• 18.2 IPIP encapsulated gateway configuration.

19. Discussion relating to Amateur Radio and Linux.

20. Copyright.