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Cisco 1800 2800 3800 Series 9-Port EtherSwitch High-Speed WIC
Cisco Cisco 1800 2800 3800 Series 9-Port EtherSwitch High-Speed WIC
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© 2014 Cisco and/or its affiliates. All rights reserved. This document is Cisco Public Information.
Page 2 of 63
Contents
1. Introduction .......................................................................................................................................................... 4
2. Cellular Technology Evolution to 4G LTE ......................................................................................................... 5
2.1 4G LTE Performance Characteristics ................................................................................................................... 5
2.2 Throughput ............................................................................................................................................................. 6
2.3 Latency ................................................................................................................................................................... 6
2.4 Shared Access ....................................................................................................................................................... 7
2.5 Radio Signal ........................................................................................................................................................... 7
2.6 QoS over 4G LTE Connection .............................................................................................................................. 7
3. Why Cisco 4G LTE? ............................................................................................................................................. 8
4. Cisco 4G LTE Offerings ....................................................................................................................................... 9
4.1 Cisco 4G LTE Product-Related Documentation ................................................................................................ 10
4.2 Service Plans ....................................................................................................................................................... 10
5. Configuring the Router for 4G LTE Connectivity ............................................................................................ 11
5.1 4G LTE Basic Configuration ................................................................................................................................ 11
5.2 Preparation to Connect ........................................................................................................................................ 11
5.3 Profile Configuration ............................................................................................................................................ 12
5.4 LTE Data-Call Setup ............................................................................................................................................ 12
5.5 Basic Internet Connectivity .................................................................................................................................. 13
Validating Basic Internet Connectivity ............................................................................................................ 14
Troubleshooting the Basic Connectivity ......................................................................................................... 16
5.6 4G as a Backup to Wired Primary WAN Connection ......................................................................................... 17
Branch-Office Router Configuration ............................................................................................................... 18
Validating Primary and Backup Connectivity .................................................................................................. 21
5.7 Enterprise Deployments Using 4G LTE as a WAN Interface ............................................................................ 21
6. DMVPN over 4G LTE as a Primary WAN .......................................................................................................... 22
Configuration of Branch Office 1 as a DMVPN Spoke .................................................................................... 22
Configuration of Branch Office 2 as a DMVPN Spoke .................................................................................... 24
Configuration of Central-Office Router as a DMVPN Hub .............................................................................. 27
Troubleshooting and Debugging .................................................................................................................... 28
7. Site-to-Site IPsec VPN ....................................................................................................................................... 30
Configuration of Branch-Office Router ........................................................................................................... 30
Configuration of Headquarters Router ............................................................................................................ 34
Troubleshooting and Debugging .................................................................................................................... 36
8. Site-to-Site IPsec with GRE for Dynamic Routing ........................................................................................... 37
Configuration of Branch-Office Router ........................................................................................................... 38
Configuration of Central-Office Router ........................................................................................................... 42
Troubleshooting and Debugging .................................................................................................................... 44
9. Cisco Easy VPN over 4G LTE ........................................................................................................................... 45
Configuration of Branch-Office Router ........................................................................................................... 45
Configuration on a Cisco Easy VPN Hub Gateway ........................................................................................ 48
Troubleshooting the Cisco Easy VPN Setup .................................................................................................. 50
10. Mobile IP Enterprise-Managed Deployments ................................................................................................ 51
Configuration of Branch-Office Router as Mobile Router ............................................................................... 52
Configuration of Headquarters Router as Home Agent .................................................................................. 55
Troubleshooting the Mobile IP Setup ............................................................................................................. 56
11. WAN Optimization over 4G LTE...................................................................................................................... 58
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