Includes IKE Phase 1.5
XAUTH
Policy Push
Reverse Route Injection
Mode Of connection
Client:- Server is going to assign an IP from the pool
Network Extension:- No pool on the server side, client will tell the server which network should be protected.
Network Extension Plus:- Pool defined on the server and assigning the IPs to the client
Steps to Configure
crypto isakmp policy
crypto isakmp client configuration group
crypto isakmp profile
crypto ipsec transform-set
crypto ipsec profile
Create Virtual Templet
Apply crypto ipsec to Virtual-interface
R1 Config
aaa new-model
!
aaa authentication login XAUTH local
aaa authorization network XNETWORK local
!
username cisco password 0 cisco
!
crypto isakmp policy 10
encr 3des
hash md5
authentication pre-share
group 2
!
crypto isakmp client configuration group MYGROUP
key cisco
domain mydomain.com
pool VPNPOOL
acl 100
crypto isakmp profile EZPROFILE
match identity group MYGROUP
client authentication list XAUTH
isakmp authorization list XNETWORK
client configuration address respond
!
crypto ipsec transform-set MYSET esp-3des esp-md5-hmac
!
crypto dynamic-map EZDMAP 10
set transform-set MYSET
set isakmp-profile EZPROFILE
reverse-route
!
!
crypto map VPNMAP 100 ipsec-isakmp dynamic EZDMAP
!
!
!
!
interface FastEthernet0/0
ip address 12.1.1.1 255.255.255.0
duplex auto
speed auto
crypto map VPNMAP
!
ip local pool VPNPOOL 172.10.10.10 172.10.10.20
access-list 100 permit ip 1.1.1.0 0.0.0.255 any
===================================================================
Config with Tunnel Interface
crypto isakmp profile ISAPROFILE
match identity group MYGROUP
isakmp authorization list XAUTH
client configuration address respond
virtual-template 1
interface Virtual-Template1 type tunnel
ip unnumbered FastEthernet0/0
tunnel mode ipsec ipv4
tunnel protection ipsec profile IPSEC-PROFILE
===================================================================
R2 Config
crypto ipsec client ezvpn EZVPN
connect manual
group MYGROUP key cisco
mode client
peer 12.1.1.1
xauth userid mode interactive
!
!
!
!
interface Loopback0
ip address 2.2.2.2 255.255.255.0
crypto ipsec client ezvpn EZVPN inside
!
interface FastEthernet0/0
ip address 12.1.1.2 255.255.255.0
duplex auto
speed auto
crypto ipsec client ezvpn EZVPN outside
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