I'd say you'd need a second pair. Maybe Alan will contradict me: TCP/IP in VM might be able to "forward" the ProxyArp from TPF over its own -probably ProxyArped- CTC to the outside world.
2008/12/12 Ian S. Worthington <[email protected]> > Thanks Kris. > > I can't be sure that the other side can support ProxyApp. Is it possible > to > use the existing CTC pair or do I need a second in either case? > > i > > ------ Original Message ------ > Received: > From: Kris Buelens <[email protected]> > To: [email protected] > Subject: Re: Virtual QDIO setup > > > You will indeed a second subnet for this guest lan. And, unless you use > > ProxyArp, event the CTC to your router TCPIP woild be a -small- subnet on > > its own. > > If you have only one TPF guest in this VM, it would indeed be easier to > have > > a second CTC: one couple of CTC devices to TCP/IP VM, another couple to > > TPF. And, if the other side of thses CTC connections enables ProxyArp, > > thuis VM and this TPF can appear to live on the same subnet as the > outside > > world. > > > > 2008/12/12 Ian S. Worthington <[email protected]> > > > > > Hi. > > > > > > We have a VM system with an IP connection to the real world over a CTC. > > > > > > I need to set up a connection to a vm running z/tpf which requires an > osa-e > > > card. This I believe I can simulate using DEFINE LAN QDIO, DEFINE NIC > > > QDIO, > > > and COUPLE for a guest lan or DEVICE/LINK for a point-to-point > connection. > > > > > > But, iiuc, I can't use a VSWITCH to get to the outside world, as this > > > requires > > > a real osa-e card. I believe I need to use instead a router virtual > > > machine, > > > which I can do using the TCPIP machine (data volumes are very low, so > is > a > > > secondary machine really necessary?) > > > > > > Does all this make sense? Am I right in thinking that for this small > > > configuration its easier to go with the point-to-point configuration > rather > > > then the guest lan. Do then I still need separate subnets for the two > > > links? > > > Are there any guides on configuring such a setup? > > > > > > Thanks, > > > > > > > > > ian > > > ... > > > > > > Ian S. Worthington, MBCS. > > > > > > me: http://isw.me.uk/ > > > photos: http://gallery.isw.me.uk/ > > > > > > Dulce et decorum est pro patria mori, sed dulcius pro patria vivere, et > > > dulcissimus pro patria biber. Ergo, bibiamo pro salute patriae. > > > > > > > > > > > -- > > Kris Buelens, > > IBM Belgium, VM customer support > > > -- Kris Buelens, IBM Belgium, VM customer support
