Markos Chandras wrote: > Good morning, > > I am having one PC with 4 NIC ( 8139 ) chipset. Since I dont have a second > computer , is it possible to configure this node to be master and slave at > the same time. One NIC for the Server purposes and another NIC for slave? > Is there a "possible" rtnet.conf configuration ?
Unless I'm forgetting some pitfall right now: Yes, this should work in theory. You will have to write a custom startup script for one of the two "nodes" (I would suggest focusing on the slave as it is easier). You can derive it from the existing script, basically skipping the common initialization phase of the RTnet stack. But keep in mind that running both nodes on the same host will make them influence each other (/wrt IRQ and scheduling latencies and jitters). If you don't care about this and just want to play with the functionality RTnet provides, you could also fire up a whole virtual network within KVM. Several NICs that RTnet supports are also emulated by KVM, and you can interconnect multiple KVM instances via bridged tap devices. Works nicely, already did this for basic tests (and it's far more comfortable than running around, booting all the nodes manually :) ). QEMU works as well, but is *much* slower. Jan
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