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Forum Discussion

f5Subrun's avatar
f5Subrun
Icon for Cirrus rankCirrus
Sep 18, 2025

rSeries 4600 additional Core Enable

For a deployed Tenant what’s the procedure to resize the CPU allocation so for a 2nd tenant CPU can be re-assigned.  My understanding for rSeries 4600 there are 16 Core available but 4 core is Di...
application delivery
Enes_Afsin_Al's avatar
Enes_Afsin_Al
Icon for MVP rankMVP
Sep 18, 2025

Hi f5Subrun,

The r4x00 devices have a 16-core processor.
r4600 - 12 CPUs available for Tenancy
r4800 - 16 CPUs available for Tenancy

If you use a temporary or permanent r4800 license, 4 more CPUs will become automatically available. When a new license is assigned, there will be an interruption in the current tenant due to services restarts. You can use these 4 CPUs when creating a new tenant.

If the temporary license period expires, the license does not revert to the previous permanent license. Traffic does not pass through tenants. Therefore, you must enter the permanent license before the period expires.

If you want to revert back to the r4600 license, you must first configure the total number of CPUs used in the tenants to 12 and then enter the license.