IPSec for network security (continued Cisco device implementation)

Source: Internet
Author: User
Tags datetime hmac md5 domain lookup

Case topology Map

Cisco (3640) realizes

Step 1: The basic configuration of a router

A (config) #do Sho run

Building configuration ...

Current configuration:1410 bytes

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Version 12.4

Service Timestamps Debug DateTime msec

Service Timestamps log datetime msec

No service password-encryption

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Hostname A

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Boot-start-marker

Boot-end-marker

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No AAA New-model

Memory-size Iomem 5

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IP CEF

No IP domain Lookup

IP domain name lab.local

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Crypto ISAKMP policy 1

Authentication Pre-share

Crypto ISAKMP key 123 address 61.130.132.1

Crypto ISAKMP key 123 address 61.130.133.1

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Crypto IPSec Transform-set vpnc Ah-md5-hmac esp-des Esp-md5-hmac

Crypto IPSec Transform-set VPNB Ah-md5-hmac esp-des Esp-md5-hmac

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Crypto map Vpn-set IPSEC-ISAKMP

Set Peer 61.130.132.1

Set Transform-set VPNB

Match Address 110

Crypto map Vpn-set IPSEC-ISAKMP

Set Peer 61.130.133.1

Set Transform-set VPNC

Match Address 120

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