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 <[email protected]> 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 >> [email protected] >> >> >> ---------------------------------------------------------------------- >> For IBM-MAIN subscribe / signoff / archive access instructions, >> send email to [email protected] with the message: INFO IBM-MAIN > >---------------------------------------------------------------------- >For IBM-MAIN subscribe / signoff / archive access instructions, >send email to [email protected] with the message: INFO IBM-MAIN ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
