Limited Network interruption on July 9, 7PM

BIS needs to perform a critical maintenance task on the firewalls. The scope of the outage with regards to CELS users is a 5-10 minute outage that will affect:
* All authenticated wireless (Argonne-Auth).
* Desktops in BIO, EVS.
* Servers and services in BIO/EVS/MCS/CELS.
If this 5-10 minute outage on Monday, July 9, 7PM poses a critical problem for you, please let me know by Friday (tomorrow) morning.
Thank you.
—
Craig