IT Services will be performing a Node-B and Node-M Core Router IOS upgrade to address bugs
The primary network path will then be taken down briefly, while the secondary network path through Node-B will remain active and passing all traffic including spanned VLANs to/from SDSC and TPCS during this window. During both windows, connectivity to Health Sciences will experience brief disconnects.
Posted on
Jan 14, 2026 - 07:15 PST
IT Services will be performing a Node-B and Node-M Core Router IOS upgrade to address bugs during two distinct maintenance windows.
IMPACT : The secondary network path for inbound/outbound network connectivity will be taken down briefly (due to Dual Supervisors), while the primary path through Node-M will remain active. Certain customers who have VLANs spanned to/from campus locations to data centers at SDSC and TPCS will experience a brief interruption of service during this window. Some voice services would be affected as well.
Posted on
Jan 14, 2026 - 07:14 PST
ITS will be performing work on Node-M-Core router. Node-M Core Router IOS-XE software will be upgraded to address a security vulnerability. Secondary path through Node-B will remain active. Connectivity to Health Sciences will experience disconnect of up to 10 minutes during this window.
Posted on
Dec 03, 2025 - 14:35 PST