Tinc on NixOS

[Saverio Proto]

are you trying to use the same subnet on both interfaces ?

2014-08-26 6:55 GMT+02:00 Zia Syed <xia.syed at gmail.com>:
> Hi,
>
> Does anyone here have experience running Tinc on NixOS?
>
> I'm trying to run Tinc on a NixOS machine, using the similar configuration i
> had for Ubuntu. My home subnet is 192.168.1.0/24 and my work is
> 10.16.0.0/24. However, unlike ubuntu, when I start tincd on nixos, and try
> to 'ifconfig $INTERFACE 192.168.1.10 netmask 255.255.255.0' in my tinc-up, I
> loose network access on the box (no ping/ssh to the box). I see tun0
> interface created, but no data flows.
>
> eno1: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
>         inet 192.168.1.10  netmask 255.255.255.0  broadcast 192.168.1.255
>         inet6 fe80::c23f:d5ff:fe62:8353  prefixlen 64  scopeid 0x20<link>
>         ether c0:3f:d5:62:83:53  txqueuelen 1000  (Ethernet)
>         RX packets 33611293  bytes 45550645568 (42.4 GiB)
>         RX errors 0  dropped 42  overruns 0  frame 0
>         TX packets 22359766  bytes 26366564624 (24.5 GiB)
>         TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0
>         device interrupt 20  memory 0xf7c00000-f7c20000
>
>
> tun0: flags=4305<UP,POINTOPOINT,RUNNING,NOARP,MULTICAST>  mtu 1500
>         unspec 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00  txqueuelen
> 500  (UNSPEC)
>         RX packets 0  bytes 0 (0.0 B)
>         RX errors 0  dropped 0  overruns 0  frame 0
>         TX packets 0  bytes 0 (0.0 B)
>         TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0
>
> Here is my tinc-up
>
> #!/nix/store/ajxd1z42ql9qihdj1pa7in12iynf532g-bash-4.2-p45/bin/sh
> #ifconfig $INTERFACE 192.168.1.10 netmask 255.255.255.0
> ip route add 10.16.0.0/24 dev $INTERFACE
> ip link set dev $INTERFACE up
>
> Here are the routes on I see
> [zs at homer2:~]$ route
> Kernel IP routing table
> Destination     Gateway         Genmask         Flags Metric Ref    Use
> Iface
> default         10.16.0.1       0.0.0.0         UG    0      0        0
> eno16777728
> 10.16.0.0       *               255.255.0.0     U     0      0        0
> eno16777728
> 192.168.1.0     *               255.255.255.0   U     0      0        0
> eno16777728
>
> [zs at esprit1:~]$ route
> Kernel IP routing table
> Destination     Gateway         Genmask         Flags Metric Ref    Use
> Iface
> default         192.168.1.1     0.0.0.0         UG    202    0        0 eno1
> 10.16.0.0       *               255.255.255.0   U     0      0        0 eno1
> 192.168.1.0     *               255.255.255.0   U     202    0        0 eno1
>
>
> Any suggestions/pointers to debug this would be appreciated. I see the two
> tinc nodes are performing PING/PONG.
>
> Thanks,
> Zia
>
>
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