iproute2 problems

[Saverio Proto]

it looks like the variable $INTERFACE has no value

Saverio


2018-06-12 12:11 GMT+02:00 Robert Horgan <robert at nsasia.co.th>:
> Hi Thanks
>
> removing the first line "ip tuntap add dev $INTERFACE mode tun" seems to
> have helped regarding the tun error, however it is not connecting.  If I
> stop the tinc service and then run:
>
> root at web3:~# tincd -n gainplus -d -D
> tincd 1.0.33 starting, debug level 1
> /dev/net/tun is a Linux tun/tap device (tun mode)
> Listening on 10.130.69.123 port 655
> Ready
> Trying to connect to db1 (10.130.39.180 port 655)
> Timeout from db1 (10.130.39.180 port 655) during authentication
> Could not set up a meta connection to db1
> Trying to re-establish outgoing connection in 5 seconds
> Trying to connect to db1 (10.130.39.180 port 655)
> ^\Got QUIT signal
> Statistics for Linux tun/tap device (tun mode) /dev/net/tun:
>  total bytes in:           0
>  total bytes out:          0
> Closing connection with db1 (10.130.39.180 port 655)
> Closing connection with web3 (MYSELF)
>
> db1 firewall is OK (existing tinc traffic connecting and PF rule for this
> server in place) and I wonder whether the message
> Timeout from db1 (10.130.39.180 port 655) during authentication
> indicates a connection failing authentication
>
> Both 18.04 servers indicating same problem
>
> thanks
>
>
>
>
>>>> "Robert Horgan" <robert at nsasia.co.th> 11-Jun-18 8:43 AM >>>
> I currently am using tinc 1.0.33 on a 4 node Ubuntu 14.04 server network at
> Digital Ocean connecting on the Eth1 private network interfaces.  This works
> great.
>
> Recently I added two more Ubuntu 18.04 servers at the same location and
> attempted to link them to the Tinc mesh already established.  The 18.04
> servers do not allow me to use the net-tools ipconfig command and so I have
> adapted my tinc-up commands to use iproute2 commands.
>
> #!/bin/sh
> # tinc-up
> ip tuntap add dev $INTERFACE mode tun
> ip addr add 10.0.0.3/24 dev $INTERFACE
> ip link set dev $INTERFACE up
>
> However, when I run this command I get the error
> Error: either "name" is duplicate, or "tun" is a garbage.
> Command line is not complete. Try option "help"
> Cannot find device "up"
>
> I have tried variations of the commands in the tinc-up file, but cannot get
> a result without errors.
>
> my /etc/tinc/vpn/tinc.conf file:
> Name = web3
> AddressFamily = ipv4
> BindToAddress = 10.132.115.166 (changed)
> Interface = tun0
> ConnectTo = db1
>
> systemctl status tinc:
> tinc.service - Tinc VPN
>    Loaded: loaded (/lib/systemd/system/tinc.service; enabled; vendor preset:
> enabled
>
> Question, when using iproute2 on ubuntu 18.04 should I use a different
> configuration for tinc-up?
>
>
>
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