Name: Cisco TrustSec
Brand: Cisco
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4-9

Cisco TrustSec Configuration Guide

OL-22192-01

Chapter 4 Configuring SGT Exchange Protocol over TCP (SXP) and Layer 3 Transport

Configuring Cisco TrustSec Caching

This example shows how to configure a Cisco TrustSec ingress reflector:

Router# configure terminal

Router(config)# platform cts ingress

Router(config)# exit

Router# show platform cts

CTS Ingress mode enabled

Note Before disabling the Cisco TrustSec ingress reflector, you must remove power from the Cisco

TrustSec-incapable switching modules.

To configure the Cisco TrustSec egress reflector function, perform this task.

Detailed Steps for Catalyst 6500

This example shows how to configure a Cisco TrustSec egress reflector:

Router# configure terminal

Router(config)# platform cts egress

Router(config)# exit

Router# show platform cts

CTS Egress mode enabled

Note Before disabling the Cisco TrustSec egress reflector, you must remove power from the Cisco

TrustSec-incapable switching modules.

Configuring Cisco TrustSec Caching

Enabling Cisco TrustSec Caching

For quick recovery from brief outages, you can enable caching of authentication, authorization, and

policy information for Cisco TrustSec connections. Caching allows Cisco TrustSec devices to use

unexpired security information to restore links after an outage without requiring a full reauthentication

Step 3

Router(config)# exit

Exits configuration mode.

Step 4

Router# show platform cts

Displays Cisco TrustSec reflector mode (Ingress,

Egress, Pure, or No CTS).

Command Purpose

Step 1

Router# configure terminal

Enters configuration mode.

Step 2

Router(config)# [no] platform cts egress

Activates the Cisco TrustSec egress reflector.

Step 3

Router(config)# exit

Exits configuration mode.

Step 4

Router# show platform cts

Displays Cisco TrustSec reflector mode (Ingress,

Egress, Pure, or No CTS).

Questions and Answers:

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Cisco TrustSec Specifications

General

Category	Network Security
Functionality	Provides role-based access control, network segmentation, and policy enforcement.
Key Components	Security Group Tags (SGT), Security Exchange Protocol (SXP).
Authentication Methods	802.1X, MAC Authentication Bypass (MAB), Web Authentication
Security Group Tagging (SGT)	Assigns security group tags to users and devices for identity-based segmentation.
Security Exchange Protocol (SXP)	A protocol used to propagate SGT information across network devices.
Policy Enforcement	Enforces security policies based on SGTs and SGACLs.
Benefits	Enhanced security, simplified policy management, and improved compliance.
Encryption	Supports encryption for data in transit through IPsec and MACsec.
Scalability	Scalable to large enterprise networks with thousands of devices.
Compatibility	Compatible with a wide range of Cisco network devices.
Description	Cisco TrustSec is a security architecture framework designed to build secure networks. It uses identity-based access control to segment the network and enforce policies based on user roles and device types, rather than relying solely on IP addresses.