Unfortunately our network guys are not in a position to move to OSPF yet. On Mon, Jun 5, 2023 at 9:07 AM Peter Vander Woude <pwo...@harristeeter.com> wrote:
> Mike, > > While z/OS doesn't support LACP, if your networking folks support OSPF > areas, you can sort-of setup an environment where the OSPF is balancing the > inbound traffic between the various OSA connections and your main IP > address's are VIPA's. > > Long Long ago, when I was running ADSM on z/OS, I had to do that and it > worked fairly well on the inbound balancing. The outbound traffic was set > to use perconnection (as was the OSPF area for inbound). Yes it would have > been simpler with LACP, as at the time, the networking group didn't use > OSPF. > > Peter > > On Mon, 5 Jun 2023 05:06:01 -0500, Michael Babcock <bigironp...@gmail.com> > wrote: > > >Thanks Timothy! I suspected so, but wanted verification. I don't know > >why z/OS Comm Server can't support LACP but the OSA cards can (and > >z/VM). I'm not a networking guy though. > > > >On 6/4/2023 11:33 PM, Timothy Sipples wrote: > >> Michael Babcock asked: > >>> Does z/OS Communication Server support LACP? > >> No, I don't think so. > >> > >> Anticipating the next question, you can often configure network > switches to handle LACP on z/OS's behalf. This IBM technical article > illustrates one such scenario: > >> > >> > https://www.ibm.com/support/pages/increasing-available-network-bandwidth-leveraging-link-aggregation-and-multipath-routing > >> > >> This article specifically concerns the IBM Db2 Analytics Accelerator > when it's running on a separate physical machine. However, the same basic > approach should work for other applications. > >> > >> When z/OS runs as a z/VM guest it should benefit from z/VM's support > for link aggregation, so that's another possible option. > >> > >> ————— > >> Timothy Sipples > >> Senior Architect > >> Digital Assets, Industry Solutions, and Cybersecurity > >> IBM zSystems/LinuxONE, Asia-Pacific > >> sipp...@sg.ibm.com > >> > >> > >> ---------------------------------------------------------------------- > >> For IBM-MAIN subscribe / signoff / archive access instructions, > >> send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN > > > >---------------------------------------------------------------------- > >For IBM-MAIN subscribe / signoff / archive access instructions, > >send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN > -- Michael Babcock OneMain Financial z/OS Systems Programmer, Lead ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
