z/OS

 View Only

 High Availability with OSA Express 25Gbs

Arye Shemer's profile image
Arye Shemer posted Thu May 29, 2025 01:15 PM

Hello,

I am not communication expert,
A customer requested to understand what are their high availability options in z/OS 2.5 on z16  using OSA Express 25Gbs.

The customer brought up the following terms: 

LACP 

DOT Q 

are those terms relevant to IBM z environment ?

Is there a document which describe z/OS communication high availability  for dummies ?

Thank you,

Arye Shemer,

Tangram-Soft

Michael Fitzpatrick's profile image
Michael Fitzpatrick posted Fri May 30, 2025 09:28 AM

Hello Arye.

 z/OS with OSA does not support link aggregation (LACP) but does support Dot1Q, which is standard VLAN tagging. There is a whitepaper on z/OS Communications Server and OSA best practices which you might find useful -> https://www.ibm.com/support/pages/system/files/inline-files/zOS%20OSA-Express%20Best%20Practices%20Version%201.2_0.pdf

Mike Fitzpatrick

Arye Shemer's profile image
Arye Shemer posted Sun June 01, 2025 12:04 PM

Thank you Michael,

Your reply is most helpful.

Related Content