[HECnet] Re: Route20 Test

[Johnny Billquist]

I can certainly set up a link in the bridge, but you got to be very 
careful to not create any loops in the bridge, because it does not 
detect this, and it will cause a storm within seconds, which will be 
very bad.

   Johnny


On 2020-04-27 18:49, Supratim Sanyal wrote:
> Johnny and all,
> 
> Would it be possible to help me test Rob Jarratt's Route20?
> 
> At this point, ROUT20 (31.1022) is configured as an additional Level-2 
> router for Area 31 not doing much beyond waiting to talk to other area 
> routers.
> 
> Johnny - do you think you could open up a port on your bridge for 
> testing? This side is at 64.137.176.104 (static), port 4711.
> 
> Anyone who owns an area and connects to Johnny's bridge using an area 
> router can also perhaps set up a second bridge link to 31.1022 for testing.
> 
> Here is my config file, followed by Rob's readme file. Hopefully I am 
> not missing something basic here and such a test will be a really bad idea.
> 
> ---
> $ cat route20.ini
> [node]
> name=ROUT20
> level=2
> address=31.1022
> priority=5
> 
> [ethernet]
> interface=vde-decnet-tap1
> cost=4
> 
> [bridge]
> address=psilo.update.uu.se:4711
> port=4711
> cost=7
> 
> ; DNS section is optional, if not present then there is no periodic 
> check to make sure
> ; that IP addresses have not changed. Note that the periodic checks do 
> not cause any delay
> ; as they are done asynchronously.
> [dns]
> address=8.8.8.8
> poll=60
> 
> [logging]
> ethpcapline=verbose
> general=detail
> circuit=verbose
> line=verbose
> adjacency=verbose
> update=verbose
> decision=detail
> forwarding=verbose
> messages=detail
> dns=verbose
> ethinit=verbose
> ethcircuit=detail
> ethpcapline=verbose
> ethsockline=verbose
> ddcmpsock=detail
> ddcmp=verbose
> ddcmpinit=verbose
> sock=detail
> nsp=verbose
> nspmessages=verbose
> netman=verbose
> ---
> 
> User Mode DECnet Router Readme
> ==============================
> 
> This program is a DECnet router that implements version 2.0 of the 
> DECnet routing specification
> found here: http://linux-decnet.sourceforge.net/docs/route20.txt
> 
> Second Alpha Release 15th Sep 2012 --> Actually no, Rob updated it in 
> March 2020
> ----------------------------------
> 
> This second release has been successfully tested with another person in 
> another area. It
> fixes the following bugs and limitations:
> 
> 1. Implements Level 1 Routing messages and interoperates correctly with 
> Level 1 routers
>     (ie routing nodes that are not area routers).
> 2. Packets routed from outside into the local area are no longer dropped.
> 3. More tolerant of different line end formats on the configuration file 
> (ie DOS or non-DOS format).
> 4. Fixed some compiler warnings related to format strings.
> 
> I have also realised that for every bridge connection you use you need a 
> separate UDP port.
> I am not sure if this is a flaw or a feature.
> 
> Features
> --------
> 
> 1. Runs on Windows either as a Windows Service, or as a console program.
> 2. Runs on Linux as a daemon.
> 3. Full routing capability, so it avoids broadcasting all routing 
> messages to
>     entire network and kills looping packets.
> 4. Supports Ethernet (using pcap/winpcap).
> 5. Supports Johnny's bridge. You can now have multiple bridge connections to
>     Johnny and direct to other people without creating loops.
> 6. Can be extended to support other kinds of circuit (Cisco and Multinet 
> might
>     be examples, not tried).
> 7. Does dynamic DNS updates without blocking.
> 
> Limitations
> -----------
> 
> 1. Only tested on Windows Server 2003 and Raspberry Pi running Debian.
> 2. Does not support Phase III nodes.
> 3. Although it can be configured as a Level 1 node, it has only been tested
>     as a Level 2 (area router) node.
> 4. Limited testing on Raspberry Pi.
> 5. Performance not tested. Does not implement throttling, so traffic sent to
>     a machine with a slow network interface may experience problems.
> 6. Not tested with multiple ethernets.
> 7. It does not handle LAT and MOP, if you need these protocols then you 
> still
>     need to use Johnny's bridge.
> 
> Configuration
> -------------
> 
> The program expects a configuration file called route20.ini. A sample
> is provided, but here are some notes.
> 
> An [ethernet] section is used to define an Ethernet network interface.
> You can have as many [ethernet] sections as you have ethernet network
> interfaces.
> 
> A [bridge] section is used to define an interface compatible with Johnny's
> bridge. You can have as many [bridge] sections as you have direct links to
> other people's bridge or router (each requires a separate port). Use a DNS
> name rather than an IP address, the IP address is checked and updated
> according the [dns] section. Note also that the router will not accept 
> packets
> from bridges not configured in the [bridge] section.
> 
> The [dns] section is used to specify the IP address of your DNS server. This
> must be a numeric IP address. The poll period determines the period (in
> seconds) of the checks for changes to the IP address in your [bridge]
> sections.
> 
> Windows Installation
> --------------------
> 
> Prerequisites: winpcap
> 
> To install it as a service do the following:
> 
> 1. Open a command prompt as an administrator.
> 2. Run "route20 install".
> 3. Copy the configuration file to %windir%\system32
> 4. Make sure the "DECnet 2.0 Router" service is configured to run under an
>     account that has administrative privileges.
> 5. Start the service.
> 
> To run it as a console program:
> 
> 1. Create a configuration file in the directory where the executable is
>     located.
> 2. Run the executable.
> 
> Linux Installation
> ------------------
> 
> Prerequisites: pcap
> 
> The program is designed to run only as a daemon. It logs to the syslog.
> Launch the program and it will fork and create a daemon.
> 
> 
> -- 
> Supratim Sanyal, W1XMT
> 39.19151 N, 77.23432 W
> QCOCAL::SANYAL via HECnet
> 

-- 
Johnny Billquist                  || "I'm on a bus
                                   ||  on a psychedelic trip
email: bqt at softjar.se             ||  Reading murder books
pdp is alive!                     ||  tryin' to stay hip" - B. Idol