Eric Spencer writes: [> Mark Post writes:] > > >>> On 7/22/2010 at 06:19 PM, Marcy Cortes > > <marcy.d.cor...@wellsfargo.com> wrote: > > > Sounds like it will be talking over that private IP network rather than > > some > > > sort of CP co-processor though, so anything is possible. > > > > I didn't see any mention of an IP network, just that it was "private." > > That could mean a lot of things. > I think its "private" as in not visible outside the box(s), its not a part of > your ip network in general. it is not proprietary I believe it's using > standard ip protocols.
The IEDN (intraensemble data network) is a flat, VLAN-aware, 10GbE switched network and you can use IPv4 or IPv6 as you wish. You can, if you want, have the IEDN "behind" the z196 and bring in all your external network connections into ordinary OSA-Express ports on the z196. In this case, connectivity between the z196 and the IEDN is via OSA-Express ports configured with a special CHPID type (OSX instead of OSD). However, you also have the option to bring your external data network directly into the IEDN via the TOR switch in which case it is the customer's particular responsibility to configure VLANs correctly via the TOR switch and consider firewalling requirements. In case there's any confusion, the "other" special network is the INMN (intranode management network) and that indeed is private: it connects the HMCs, SEs, zBX (at "hardware, firmware and hypervisor" level) and CPC (via OSA-Express ports configured as CHPID type OSM) for private chatter of management stuff. It's still IP though (IPv6 link-local, in fact). For more details, see section 7.4 of the IBM zEnterprise System Technical Guide redpiece (SG24-7833). --Malcolm -- Malcolm Beattie Mainframe Systems and Software Business, Europe IBM UK ---------------------------------------------------------------------- For LINUX-390 subscribe / signoff / archive access instructions, send email to lists...@vm.marist.edu with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390 ---------------------------------------------------------------------- For more information on Linux on System z, visit http://wiki.linuxvm.org/
