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CHAPTER
7-1
Cisco Catalyst 4000 Access Gateway Module Installation and Configuration Note
OL-3008-01
7
Configuring Encryption Services
This chapter describes how to configure the Encryption Service Adapter (ESA) module on the
Cisco Catalyst 4000 Access Gateway Module (AGM).
This chapter contains the following major sections:
• About the Encryption Service Adapter, page 7-1
• Configuring the Encryption Service Adapter, page 7-1
• Verifying the Configuration, page 7-6
• Sample Configurations, page 7-7
About the Encryption Service Adapter
The ESA is a high-performance data encryption module that offloads some of the encryption processing
from the AGM main processor and improves performance. The ESA implements data encryption and
authentication algorithms on the AGM through a software service called a crypto engine.
The ESA includes a public key math processor and a hardware random number generator. These features
support public key cryptography for key generation, exchange, and authentication. The ESA can encrypt
and authenticate two full-duplex T1 or two E1 communication links. Each data line can be channelized
with a separate encryption context. The ESA uses Public Key (PK) technology based on the concept of
the Protected Entity (PE) and employs IPSec Data Encryption Standard (DES) 56-bit and 3(Triple) DES
168-bit encryption to ensure that secure data and information can be transferred between similarly
equipped hosts on your network.
Configuring the Encryption Service Adapter
To configure the ESA, perform the procedures in the following sections:
• Configure the T1 Channel Group, page 7-2
• Configure the Internet Key Exchange Security Protocol, page 7-3
• Configuring IPSec Network Security, page 7-3
• Configure Encryption on the T1 Channel Group Serial Interface, page 7-6
- Cisco Catalyst 4000 1
- Access Gateway Module 1
- CONTENTS 3
- Contents 4
- Audience 9
- Organization 9
- Conventions 10
- Safety Overview 11
- Related Documentation 12
- Obtaining Documentation 13
- Documentation Feedback 14
- Cisco.com 14
- Technical Assistance Center 15
- Overview 17
- IP Telephony Campus 18
- Large Branch Office 18
- • the console port on the AGM 19
- Hardware Features 20
- Cisco Catalyst 4000 DSP Set 21
- Data Interface Modules 21
- Voice Interface Modules 22
- Signaling Support on AGM 23
- Switch-Type Support on AGM 23
- Software Features 24
- Security 25
- Resiliency 25
- Network Management Support 26
- Preparing to Install the AGM 27
- Installing the AGM 29
- Hot-Swapping Features 31
- Checking the AGM Operation 32
- Power Supply 1 34
- Power Supply 2 34
- WAN Interface Modules 35
- SEE MANUAL 36
- INSTALLATION 36
- Straight-through 41
- RJ-11-to-RJ-11 cable 41
- RJ-11 ports 41
- RJ-11 wall jack 41
- RJ-21 Connectors 42
- Velcro strap 43
- ConfigurableNot used 45
- RJ-48S ports 47
- RJ-48S wall jack 47
- RJ-48C ports 48
- NT1 device 48
- RJ-45-to-RJ-45 cable 48
- S/T port 48
- RJ-48C-to-RJ-48C cable 50
- RJ-48C wall jack 50
- Booting the AGM 53
- Accessing the AGM 54
- Configuring the Console Port 55
- Connecting a Terminal 56
- Connecting a Modem 56
- Using the Cisco IOS CLI 57
- Getting Help 58
- Command Modes 58
- Gateway(config-if)# 59
- (config 59
- Gateway(config-dial-peer)# 59
- Saving Configuration Changes 60
- Table 4-2 ISDN Switch Types 68
- Configuring T1 Interfaces 69
- Configuring E1 Interfaces 71
- Preparing to Configure VoIP 75
- Configuring Voice Interfaces 76
- MGCP Configuration 77
- Enabling MGCP 78
- • E&M Wink Start 81
- • E&M Delay Start 81
- H.323 Gateway Configuration 86
- FXS Emulation Example 90
- FXO Emulation Example 90
- E&M Emulation Example 91
- Configuring ISDN BRI Lines 92
- Gateway 1 Configuration 95
- T1/E1 Configuration (H.323) 96
- T1/PRI Configuration Example 97
- E1/PRI Configuration Example 98
- Configuration for AGM AGLB-1 99
- Configuration for AGM AGLB-2 100
- FXO Connection to PSTN 101
- San Jose Salt Lake City 102
- AGM SLC Configuration 103
- OL-3008-01 104
- Configuring FXS Voice Ports 106
- Validating the Configuration 107
- Fine-Tuning FXS Voice Ports 108
- Activating the Voice Port 110
- Sample Configuration 110
- Verifying the Configuration 120
- Sample Configurations 121
- Configuration File for Peer 1 124
- Configuration File for Peer 2 126
- Configuring the DSP Farm 129
- IP Telephony Gateway Mode 130
- Conferencing Service 131
- Transcoding Service 132
- Troubleshooting the AGM 137
- Troubleshooting Controller 138
- Troubleshooting Hardware 141
- Troubleshooting TDM 141
- Troubleshooting DSP 142
- SIMM 3 DSP 12–17 143
- SIMM 4 DSP 18–23 143
- Entering ROM Monitor Mode 145
- Configuring for Autoboot 146
- ROM Monitor Commands 147
- Debugging Commands 150
- Cookie Commands 151
- Upgrading the ROM Monitor 157
- Using Loss Plan Defaults 159
- Transmission Loss Plan 160
- Console Connector Pinouts 161
- Management Port Pinouts 161
- Identifying a Rollover Cable 163
- Connecting to a PC 164
- Connecting to a Terminal 164
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