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Cisco ASR 900 Series IPsec Configuration Guide

This document provides comprehensive guidance on configuring Internet Protocol Security (IPsec) Virtual Private Networks (VPNs) for Cisco ASR 900 Series routers.

It covers essential IPsec functionalities, including Internet Key Exchange (IKE), transform sets, virtual tunnel interfaces, and security features designed to protect sensitive network communications over unsecured networks.

Key topics addressed include:

IPsec overview and functionality
IKE configuration (Phase 1 and Phase 2)
Transform sets for IKEv1 and IKEv2
Virtual Tunnel Interfaces (VTIs)
Encrypted Preshared Keys
Dead Peer Detection (DPD)
Anti-Replay Window configuration

Published by Cisco Systems, Inc.

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sec-ipsec-xe-3s-book 900 DITA Open Toolkit XEP 4.9 build 20070312; modified using iText 2.1.7 by 1T3XT

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