[nos-bbs] Two Tunnels in JNOS?

Tue Mar 12 18:52:48 EDT 2013

Hi Chris,

> shell ip route add 44.0.0.0/8 via 44.18.0.186 dev tun1

The above line might be your problem.

ip of jnos is: 44.135.18.0.185 so that line should be:

shell ip route add 44.0.0.0/8 via 44.18.0.185 dev tun1

as 44.18.0.185 is the the gateway Ip if you want to route
44.0.0.0/8 from the linux shell over jnos.

73,

Bob VE3TOK

On 13-03-12 04:56 PM, Chris Maness wrote:
> I used to run TNOS with two serial links to Linux.  One with the real
> internet address, and the other to provide 44-net connectivity for the
> Linux host it was running on.  Is this possible with JNOS tunnel
> devices?  I have tried on two different systems, and failed on both.
>
> Here is the autoexec I am working on:
>
>
> #
> # A minimal autoexec.nos for a JNOS system having network connectivity to
> # the linux box on which it is running on. From JNOS you can telnet to the
> # linux box, and from the linux box you can telnet to JNOS. Any packet radio
> # users can connect to JNOS through the single RF port which can be any TNC
> # running in KISS mode. This configuration also allows JNOS users to exchange
> # mail with other JNOS users (local mail), using the Send and Receive cmds.
> #
> # The jnosinstaller was designed for first time JNOS users, giving them
> # something to start playing with.
> #
> # This autoexec.nos was GENERATED by jnosinstaller (version 2.1), which was
> # released in January of 2008. The original version was written in July of
> # the year 2005 - both versions written by Maiko Langelaar / VE4KLM.
> #
> # Enable JNOS to log events to dated files in /jnos/logs directory
> #
> log on
> #
> # Maximize TCP performance for standard LAN having MTU 1500
> #
> tcp mss 1460
> tcp window 5840
> #
> tcp maxwait 30000
> tcp retries 5
> #
> ip address 44.18.0.185
> #
> # Hostname and default ax25 call
> #
> hostname n8yoh.ampr.org
> ax25 mycall N8YOH
> #
> # Local DNS is done via the 'domain.txt' file !
> #
> # Create a network interface. This allows us to talk to the linux
> # box on which JNOS is running - and in turn - to the internet.
> #
> attach tun tun0 1500 0
> #
> ifconfig tun0 ipaddress 192.168.1.131
> ifconfig tun0 netmask 255.255.255.0
> ifconfig tun0 mtu 1500
> #
> # Give it a chance to come up
> #
> pause 1
> #
> # Create another network interface. This allows linux to talk to AMRP-net.
> #
> attach tun tun1 1500 0
> #
> ifconfig tun1 ipaddress 44.18.0.185
> ifconfig tun1 netmask 255.255.255.254
> ifconfig tun1 mtu 1500
> #
> # Give it a chance to come up
> #
> pause 1
> #
> #
> # JNOS creates the TUN device, so JNOS needs to do some post configuration,
> # by shelling out to the linux command line and running 'ifconfig' command.
> #
> shell ifconfig tun0 192.168.1.130 pointopoint 192.168.1.131 mtu 1500 up
> shell ifconfig tun1 44.18.0.186 pointopoint 44.18.0.185 mtu 1500 up
> shell arp -s 192.168.1.131 00:D0:B7:9F:62:44 pub
> shell ip route add 44.0.0.0/8 via 44.18.0.186 dev tun1
> #
> # Attach AXIP wormhole to a remote system
> #
> attach axip axi0 256 44.18.44.1
> #
> ifconfig axi0 description "axip wormhole"
> #
> # Attach a kiss enabled TNC
> #
> attach asy ttyS0 - ax25 vhf 4096 256 9600
> #
> ifconfig vhf description "vhf - 1200 baud port"
> #
> param vhf dtr 1
> param vhf rts 1
> comm vhf "KISS ON"
> comm vhf "RESTART"
> pause 5
> param vhf 2 256
> param vhf 3 1
> param vhf 5 1
> #
> param vhf TxDelay 25
> #
> # Beacon out the RF port every 20 minutes
> #
> #
> ax25 bctext "internet gateway"
> ax25 bcinterval 1200
> ax25 bc vhf
> #
> # Start the engines
> #
> start ax25
> start telnet
> start smtp
> #
> #
> ################################################################################
> domain suffix ampr.org.         # gets added to all host names etc.
> domain dns on                   # set on if we want to process domain queries.
> domain addserver 192.168.1.129  # set this to your domain server.
> domain addserver 192.168.1.1    # Backup server
> domain cache size 40            # no. of entries to hold in memory.
> domain maxwait 30               # time to wait on a domain query of your server
> ################################################################################
> #
> # Load the Gateways file
> source encap.txt
> #
> # Add some more routes
> route add 44.18.0.186/32 tun0 192.168.1.130
> #
> #
> ################################################################################
> # Netrom params
> ################################################################################
> #
> attach netrom
> netrom int vhf 203 n
> netrom call n8yoh-7
> netrom alias SAGE
> netrom ttl 60
> netrom irtt 6000
> netrom td 600
> netrom ack 1000
> netrom time lin
> net obs 0
> net nodet 1800
> net obs 1700
> net minq 10
> net pr on
> net derate no
> netrom save
> #
> #
> start netrom
> #
>
> Anything obviously wrong here?
>
> Thanks,
> Chris KQ6UP
> _______________________________________________
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> nos-bbs at tapr.org
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