Cisco Cisco AnyConnect Secure Mobility Client v2.x Technical Manual

Contents

Introduction

Prerequisites

Requirements

Components Used

Background Information

Functionality

AnyConnect DNS handling

Windows 7+

Split-include configuration (tunnel-all DNS disabled and no split-DNS)

Split-exclude configuration (tunnel-all DNS disabled and no split-DNS)

Split-DNS (tunnel-all DNS disabled, split-include configured)

Mac OS X

Tunnel-all configuration (and split-tunneling with tunnel-all DNS enabled)

Split-include configuration (tunnel-all DNS disabled and no split-DNS)

Split-exclude configuration (tunnel-all DNS disabled and no split-DNS)

Split-DNS (tunnel-all DNS disabled, split-include configured)

Linux

Tunnel-all configuration (and split-tunneling with tunnel-all DNS enabled)

Split-include configuration (tunnel-all DNS disabled and no split-DNS)

Split-exclude configuration (tunnel-all DNS disabled and no split-DNS)

Split-DNS (tunnel-all DNS disabled, split-include configured)

OpenDNS Roaming client

Limitations

Workaround

Configurations

Tunnel OpenDNS traffic

Exclude OpenDNS traffic from VPN tunnel

Verify

Introduction

This document describes some of the current limitations and available workarounds to make
AnyConnect and the OpenDNS Roaming Client work together.

Prerequisites

Working knowledge of the AnyConnect and OpenDNS Roaming client.

Familiarity with ASA or IOS/IOS-XE headend configuration (tunnel-group/group-policy) for
AnyConnect VPN.

Requirements