The main difference is the features proscons that you get when you are using tun or tap. Hercules390 general tuntap problem under windows 7. Hercules implements only the raw s370, esa390, and zarchitecture instruction set. Use openvpn to create a permanent network interface. Routing tables configured on both of them directs needed traffic to this tun devices. I played it long long long time ago but i still love hercules game. Hercules system370, esa390, zarchitecture emulator.
On a linuxunix host, hercules needs to be a setuid root program to allow it to reset its dispatching priority to a high. If you will be using tcpip networking with a hercules guest system, it is important to configure the host system correctly. What is the difference between tun driver and tap driver. The rpm, also available from the homepage, will install but does not support. Hercules is roger bowlers free system 370390 emulator, now maintained by jay maynard. First, you need to modify the privileges for the usrlocalbinhercifc script, which configures the tuntap network device when hercules starts up. Install linux and make sure that you can connect to your windows platform using, e. Both tun and tap interfaces deliver data from one host to another. I dont know the answer to your question, but i do know that i remember having trouble with administrator mode when i opened an admin command prompt i would from memory lose all my network drives, and i needed to do some extra commands manually the command might have been net use or something like that, to map them all manually. Is it possible to make it work on device enp0s3 which is physically a real network adapter if you install ubuntu on a real machine. Unixstyle tun and tap virtual network interfaces for mac os x.
Configuration of ip addresses are also done via ioctl. The driver continues to be maintained as part of the. Since, the default configuration on any reasonable linux box will require you to be root to set up tuntap connections, lets start hercules as root with the config file. For installing gentoo, were going to need to download some files for the installation environment. Wilson and james yonan is relatively unknown the goal of this page is to provide instructions and examples of use of the. The focus provides a succinct set of examples for this particular configuration so that it can be easily duplicated at suse. Data delivered via tap interface gets injected at layer2 of osi stack and data delivered via tun interface gets injected and layer3. Ron, can you send me the download link for the debian 390 you are trying to install. This causes the tun tap driver to be loaded automatically when the devnet tun device is opened by hercules. The linux implementation creates a tuntap interface by opening. See the hercules configuration file page for a complete description. Hercules runs under linux, windows, solaris, freebsd, and mac os x. In usual tunneling setup server and client have tun devices with assigned addresses.
For the network connection, hercules uses the tuntap device. Tuntap driver qeth osa express ip layer 2 support only. The hercules system370, esa390, and zarchitecture emulator. Alternatively you can here view or download the uninterpreted source code file. Just as for any direct device access, you need root privileges for this. In computer networking, tun and tap are virtual network kernel interfaces. Universal tuntap device driver frequently asked question. Free bsd on freebsd, use the command ifconfig tun create to create an interface. The procedure for completing the tuntap setup for linux 2.
Contribute to hercules390hyperion development by creating an account on. First, download the openvpn client from here at the time of writing, select 2. Windows does not have tun tap but thanks to fish david b. While the tuntap driver is a quite popular part of modern linux and is well documented, its opensource windows counterpart developed by damion k. I have installed sles 11 on hercules on a linux host.
The tuntap driver is extremely useful for implementing ip tunnels under both linux and windows. Connecting real machines with network simulation ns3. The hercules emulator gives you a fullfledged alternative. Contribute to hercules 390hyperion development by creating an account on github. Well, i found out that linux linux is not always quite true.
Hercules is an open source software implementation of the mainframe system370 and esa390 architectures, in addition to the new 64bit zarchitecture. Hercules is osi certified open source software licensed under the terms of the q public licence. Openvzvirtuozzo, linuxvserver et al the provider needs to enable tuntapfunctionality first since you cannot load kernel modules yourself in these environments. When you download an image, be sure to download the sha256sums and sha256sums. Hercules mainframe emulatorbig boxes linux magazine. Hercules390 general hhctu002e error opening tuntap. A linux and mac os gui to the hercules emulator for z architecture. Lrvr, lrv and lrvh eligible added to s37x facility ivan warren fix long. Trout we have a way of emulating the tun tap interface through a set of custom dlls he has provided us. The tuntap package is comprised of a pair of kernel extensions, one providing tun and one providing tap interfaces. Hercules can run on windows and macintosh hosts, too, but this documentation addresses only hercules running as an application on linux, and specifically on suse linux enterprise. But i think there is a problem with the fish cti with newer linuxes.
When packet get routed to tun0, kernel sends it to userspace program client that sends this packet to other program on remote machine server via, for example, tcp connection. This page describes the configuration file for the hercules s370, esa390, and zarchitecture emulator. Ctciwin the hercules channel to channel link to windows tcpip stack allows any networking enabled mainframe operating systems running under hercules to communicate with the outside world via a simulated virtual ethernet adapter that communicates directly with your windows hosts networking stack. The procedure for getting the tun tap device on redhat 7. Before verifying the checksums of the image, you must ensure that the sha256sums file is the one generated by kali. You will need to amend the configuration file f to reflect your device layout and intended mode of operation s370, esa390, or zarchitecture. Reports claim that vmesa and os390 work too, but the legal situation is iffy, so unless you have a license that allows you to do testing and disaster recovery with your current mainframe os, you cant legally try those. The procedure for getting the tuntap device on redhat 7. Help hercules dodge falling columns, terrified thebans, and runaway chariots. Step by step setting up openvpn in debian with routing tun connection. Hercules runs under linux, windows 98, nt, 2000, and xp, solaris, freebsd, and mac os x 10. Being network devices supported entirely in software, they differ from ordinary network devices which are backed up by hardware network adapters the universal tuntap driver originated in 2000 as a merger of the corresponding drivers in solaris, linux and bsd. The game is based on the hit disney film of the same name, you must help hercules battle and defeat the cyclops before he destroys thebes.
Ctciwin the hercules channel to channel link to windows tcpip stack allows any networking enabled mainframe operating systems running under hercules to communicate with the outside world via a simulated virtual ethernet adapter that communicates directly. Linux and freebsd 6 offer much the same functionality but with differing. By bernhard bablok hercules mainframe emulatorbig boxes. This causes the tun tap driver to be loaded automatically when a dev tun device is opened by hercules.
This means that you need to provide an operating system or standalone program which hercules can load from an emulated disk or tape device. They create a set of character devices devtunx and devtapx, respectively, where x is a number between zero and the maximum number of supported virtual interfaces. However, similar functionality may be obtained on windows. How to install tuntap driver for openvpn on centos linux. What is the difference between bpf and tuntap driver. This causes the tuntap driver to be loaded automatically when a devtun device is opened by hercules. Virtual networking can be accomplished using the tuntap driver in host linux kernel. The universal tuntap driver is currently only available for linux, solaris, and freebsd. Install it, and create a file nf in the config directory with the following parameters. Step by step setting up openvpn in debian with routing.
In the meantime hercifc isnt an issue unless you can actually open a tuntap interface which requires an administrator to grant you access to tuntap. Lrvr, lrv and lrvh eligible added to s37x facility ivan warren fix long standing sie host addressing prefixing bug ivan warren. It is complete enough to run linux390, as well as os360, mvs 3. Network access for operating systems running on hercules github. To access the interface, the special device file devnettun must be opened and the desired interface selected by. It was created for hw group internal use only, but today its includes many functions in one utility and its free. Hercules setup utility is useful serial port terminal rs485 or rs232 terminal, udpip terminal and tcpip client server terminal. From above screenshot we may see, now the hercules tcpip network is working on the tuntap device tun0 that is created by hercifc. Repair hercules error opening tun tap device windows 10. The tuntap driver is already part of the standard kernel image. You will have to use a free software operating system such as linux, write the operating system or standalone program yourself, obtain a license from ibm to run one of their operating systems on your pc, or use ibm programs and.
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