similar to: gre tunnel between networks with same subnet

? ? ? Hi, all:? ? ? ? ? I'm playing with Gre Tunnel programming in centos 6. ? ? ? ?? ? ? ? ? I wrote my program in these steps:? ? ? ? ? a, open /dev/net/tun ?device and ioctl with?TUNSETIFF, get fd to tun device, say "tun0"; ? ? ? ? b, create one socket and use it to set tun0's ?ip address, namyly?SIOCSIFADDR and?SIOCSIFDSTADDR; and then turn it up; ? ? ? ? c, create one raw

Hi , I am trying to set up a GRE tunnel between two linux routers. The routers have a 400 MHz Processor. Linux .2 65.0.0.2 Linux LAN1 -------- Router -------- INTERNET ---- Router ---- LAN2 10.10.10.0 .1 208.1.0.1 (Simulated) .1 .1 192.168.2.0/24 /24 Scripts to Create the tunnel ip tunnel add tun0 mode gre remote 65.0.0.1 local

On 12/29/2017 3:59 AM, Wojciech ?ysiak wrote: > firstly check which zone are your interface in : > > bash> firewall-cmd --get-active-zones > > then all you have to do is add a service to the firewall > > firewall-cmd --zone=<INSERT YOUR ZONE> --add-service=openvpn --permanent > > assuming that your Openvpn is running on standard port 1194/tcp|udp, > If not

On Thu, Apr 11, 2019 at 10:43 PM Vasiliy Tolstov <v.tolstov@selfip.ru> wrote: Hi Vasiliy, > > ср, 10 апр. 2019 г. в 19:46, Ruben Kerkhof <ruben@rubenkerkhof.com>: > > > > On Wed, Apr 10, 2019 at 1:44 PM Laine Stump <laine@redhat.com> wrote: > > > > > > On 4/9/19 11:35 AM, Ruben Kerkhof wrote: > > > > On Tue, Apr 9, 2019 at 5:10 PM

shorewall-users hi,ALL I have a firewall have three interface, one NIC is internal (eth0), second NIC is SSN(eth2), and other NIC is external(eth1), on internal network have 10.0.1.59 and gw 10.0.1.163 eth0: 192.168.1.254/24 eth1: 10.0.1.55/24 gw 10.0.1.163 I use shorewall''s proxyarp 10.0.1.59 eth1 eth0 no no that is OK. I saw /usr/share/shorewall/firewall, I

Hi ! First of all, I am sorry if this is not the list for that, but I've been learning (a little bit...) a way to implement a freeBSD firewall. So far I came up with a set of rules I would like to show you for commenting. I am sure there're a lot of errors and/or stupid rules (I am not sure the rules order is good for what I need) and I would be really pleased if one could have a look

Hi all, I try to receive an ipv6 address for my PPP link via autoconf (against Cisco machine), but there is a problem I'm unable to solve so far. I can see cisco's Router-Advertisement containing prefix etc., but no IP adress is assigned to tun0 interface. Anyone succesful in IPv6 over dial-up PPP connection? When I manually assign IPv6 address, connection works. My system is

On Wed, Apr 10, 2019 at 1:44 PM Laine Stump <laine@redhat.com> wrote: > > On 4/9/19 11:35 AM, Ruben Kerkhof wrote: > > On Tue, Apr 9, 2019 at 5:10 PM Michal Privoznik <mprivozn@redhat.com> wrote: > >> > >> On 4/9/19 4:38 PM, Ruben Kerkhof wrote: > >>> Hi all, > >>> > >>> I have a hook script, /etc/libvirt/hooks/network,

Hi, I posted this question yesterday on the Openvpn mailing list, with no response, figured I will ask here too. I have been using openvpn for quite a while, no major problems encountered. Now I need to allow the server to access the lan of the client, and I can not figure out the routing. This is what I have after the tunnel is brought up: SERVER (A.A.A.A) Arx:~# ip addr ... 3: eth1:

Hello alltogether, I''m new to the list, so please excuse any violations of listiquette... I didn''t have to much to do with linux based firewalling and routing for quite a time and found that proxy-arp changed in between... As I struggled with it I found that the Advanced routing... howto wasn''t to helpfull. Especially the documentation seems to be rather vice versa to

I''m getting my zones confused. Help. I need to have a bunch of systems using OpenVPN to gain an IP in the virtual subnet 10.100.1.0/24, on interface tun0. I will then route whole subnets to those IPs, like 10.100.2.0/24 via 10.100.1.12, etc. I want to have a policy for: - all hosts behind tun0 - all hosts in 10.100.1.0/24 - individual subnets being routed through IPs in

Hello, i have a little question. My system: ip route: 0.0.0.0/1 via 10.8.0.5 dev tun0 default via 192.168.2.1 dev br0 proto static metric 425 10.8.0.1 via 10.8.0.5 dev tun0 10.8.0.5 dev tun0 proto kernel scope link src 10.8.0.6 88.198.140.127 via 192.168.2.1 dev br0 192.168.2.0/24 dev br0 proto kernel scope link src 192.168.2.101 metric 425 192.168.122.0/24 dev virbr0 proto kernel

Hello all, We have a few aliased Ethernet addresses on our server and if I do not use the Bind statement in the "Global" section then the NMBD seems to try to bind to all of the addresses. We are actually using OpenVPN which make the connections just fine on a 172.16.x.x subnet to "tun0" device. The problem is that Samba does not seem to find the tun0 device and reports

Hi, after trying for days I ended up with a working tinc configurazion of 2 subnets, now my goal is to add 2 more subnets and comunicate. I might seem dumb at this point but honestly I don't work in IT or Networking stuff, and so I dont have that deep knowledge. A little explanation of my configuration is HOST A (VPN server) Public IP: 1.2.3.4 tun0 Subnet = 192.168.10.0/24 tun0 IP =

I have 2 nodes nodeA and nodeB I'm using tinc 1.1pre11 -- nodeA(fd80:2015:2105:abcd::1) : $ ip -6 route fd80:2015:2105:abcd::1 dev tun0 proto kernel metric 256 fd80:2015:2105:adcd::/64 dev tun0 metric 1024 fe80::/64 dev eth0 proto kernel metric 256 $ ping6 fd80:2015:2105:abcd::1 PING fd80:2015:2105:abcd::1(fd80:2015:2105:abcd::1) 56 data bytes 64 bytes from fd80:2015:2105:abcd::1:

Hi, I'm trying to run tinc 1.0.9 on freebsd 7.1-RELEASE-p4. I tried: Device=/dev/net/tun0 DeviceType=tun I tried it without the device-line, i tried the other devicetype-options, none of them work. With all of them I get the following error: 30311: open("/dev/net/tun0",O_RDWR|O_NONBLOCK,05024360414) = 3 (0x3) 30311: ioctl(3,TUNSIFHEAD,0xbfbfec58) ERR#45 'Operation not

Hi, Guus I did some test regarding the points you mentioned below, and yes, you’re right, but some of points may need further adjusted: 1. The destination of IPv4 wouldn’t be changed, Yes I agree, that’s the goal and final destination for the communication. But during the path, it may be encapsulated into another packet(tunnel mode), where the outside IP header is the physical address, but the

Hi, I'm trying a VPN via ssh between Linux (Suse 10.3, 5.0) and OpenBSD (4.2, 4.7). But it doesn't work... On Linux: sudo ssh -v -f -w 0:1 $OPENBSD true sudo /sbin/ifconfig tun0 10.1.1.1 10.1.1.2 sudo /sbin/route add -net 192.168.17.0 netmask 255.255.255.0 dev tun0 On OBSD: sudo ifconfig tun1 10.1.1.2 10.1.1.1 netmask 255.255.255.0 sudo /sbin/route add 10.0.3.0/24 10.1.1.1 And add a

A site I administer has dual T1''s. We have this set up according to NANO-HOWTO[1] using Julian''s routes patch on a late model 2.4 kernel. All is well, has been working well for a long time. Recently one of our T1 providers went belly up and we got something better. Now we have a /28 where previously we only used one IP per interface. Present interfaces: eth0 - T1#1, single

Hello Lars, Thanks for your feedback. Unfortunately I made an error in writing the network I expected to connect to. I meant 10.3.0.0/24 The one I wrote in fact was one network of the already established VPN. I have included full details of my relevant files below. Background: I am trying to set up a second VPN between two servers: gtdb and db2. Both servers are already part of separate