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Introduction Wired networks still carry most enterprise East/West traffic, printers, IP phones, scanners, and user PCs. Cisco TrustSec replaces sprawling IP/VLAN ACLs with Security Group Tags (SGTs) and role-based enforcement. With ISE assigning SGTs at the port during 802.1X/MAB, your Catalyst switches can tag traffic […]
Introduction Scalable Group Tags (SGTs) are the foundation of Cisco TrustSec—labels that identify “who” a packet belongs to, decoupled from IP or VLAN. The Scalable Group Tag eXchange Protocol (SXP) is the control-plane that ships IP↔SGT bindings from where they’re learned (typically access edges) to […]
Introduction Security Group Tags (SGTs) are the identity currency of Cisco TrustSec. Instead of binding policy to IPs/VLANs, ISE assigns an SGT (e.g., HR=10, Finance=20, Guest=30) to users/devices at authentication time. These tags travel (inline) or are distributed (via SXP) so switches, WLCs, and firewalls […]
Introduction Cisco TrustSec (CTS) is a next-generation access control framework that goes beyond traditional IP-based segmentation. Instead of relying on static VLANs and ACLs, it leverages Security Group Tags (SGTs) to dynamically classify traffic, enforce policies consistently across the enterprise, and scale security for modern […]
Introduction Dynamic VLAN assignment lets Cisco ISE place each wireless client in the right L2 segment at the moment of authorization—employees to corp VLAN, guests to internet-only, IoT to isolated networks—on the same SSID. You’ll build per-role VLAN results in ISE, enable AAA Override on […]
