Tim's Technology Journey Wiki

This page is read only. You can view the source, but not change it. Ask your administrator if you think this is wrong.
=====Lab 000 - Configure IKEv2 Initial Configurations=====

References:\\ 
[[https://youtu.be/fPb8urnJ9PY?si=J8Bga_o61qWJ1vWf|Rob Riker Teaching VPN Concepts on YouTube]]\\ 
[[https://www.ciscopress.com/store/ccnp-security-virtual-private-networks-svpn-300-730-9780136660606|CCNP Security Virtual Private Networks SVPN 300-730 Official Cert Guide]]\\ 
  * ISBN: 9780136660606
  * Chapter 3, Router Configuration with IKEv2, page 78.

  * This lab provides the answers how to configure IKEv2.
  * This lab has two directly connected routers that share IKEv2's ESP-encrypted messages.

{{ :cisco:books:ccnp_300-730:ch3:000:Lab-000-IKEv2-Overview.png?300 | Lab-000-IKEv2-Overview }}


__r1-hub's initial configuration__
<code>en
conf t
no ip domain lookup
hostname r1-hub
line con 0
history size 256
logg syn
exec-timeout 0 0
width 512
exit
interface Loopback0
 no shutdown
 ip address 1.1.1.1 255.255.255.255
!
interface GigabitEthernet1
 shutdown
 ip address 12.1.1.1 255.255.255.0
!
ip access-list extended castle-acl
 remark Permit statements equal traffic that shall be encrypted.
 permit ip host 12.1.1.1 host 12.1.1.2
!
crypto ikev2 proposal rook-proposal 
 encryption aes-cbc-256
 integrity sha512
 group 14
!
crypto ikev2 policy svpn-policy 
 proposal rook-proposal
!
crypto ikev2 keyring lion-key
 peer peer-remote
  address 12.1.1.2
  pre-shared-key cisco
!
crypto ikev2 profile side-profile
 match identity remote address 12.1.1.2 255.255.255.255 
 authentication remote pre-share
 authentication local pre-share
 keyring local lion-key
!
crypto ipsec transform-set tset esp-aes esp-sha512-hmac 
 mode tunnel
!
crypto map svpn-map 10 ipsec-isakmp 
 set peer 12.1.1.2
 set transform-set tset 
 set pfs group14
 set ikev2-profile side-profile
 match address castle-acl
!
interface GigabitEthernet1
 crypto map svpn-map
 no shutdown
!
end
wr</code>

__r2-spoke's initial configuration__
<code>en
conf t
no ip domain lookup
hostname r2-spoke
line con 0
history size 256
logg syn
exec-timeout 0 0
width 512
exit
interface Loopback0
 no shutdown
 ip address 2.2.2.2 255.255.255.255
!
interface GigabitEthernet1
 shutdown
 ip address 12.1.1.2 255.255.255.0
!
ip access-list extended castle-acl
 remark Permit statements equal traffic that shall be encrypted.
 permit ip host 12.1.1.2 host 12.1.1.1
!
crypto ikev2 proposal rook-proposal 
 encryption aes-cbc-256
 integrity sha512
 group 14
!
crypto ikev2 policy svpn-policy 
 proposal rook-proposal
!
crypto ikev2 keyring lion-key
 peer peer-remote
  address 12.1.1.1
  pre-shared-key cisco
!
crypto ikev2 profile side-profile
 match identity remote address 12.1.1.1 255.255.255.255 
 authentication remote pre-share
 authentication local pre-share
 keyring local lion-key
!
crypto ipsec transform-set tset esp-aes esp-sha512-hmac 
 mode tunnel
!
crypto map svpn-map 10 ipsec-isakmp 
 set peer 12.1.1.1
 set transform-set tset 
 set pfs group14
 set ikev2-profile side-profile
 match address castle-acl
!
interface GigabitEthernet1
 crypto map svpn-map
 no shutdown
!
end
wr</code>

__Verification__
<code>r1-hub#ping 12.1.1.2
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 12.1.1.2, timeout is 2 seconds:
..!!!
Success rate is 60 percent (3/5), round-trip min/avg/max = 1/3/7 ms</code>
<code>r1-hub#show crypto ikev2 sa
 IPv4 Crypto IKEv2  SA 

Tunnel-id Local                 Remote                fvrf/ivrf            Status 
1         12.1.1.1/500          12.1.1.2/500          none/none            READY  
      Encr: AES-CBC, keysize: 256, PRF: SHA512, Hash: SHA512, DH Grp:14, Auth sign: PSK, Auth verify: PSK
      Life/Active Time: 86400/13 sec

 IPv6 Crypto IKEv2  SA</code>
  * Packet Capture on r1-hub e0/0 interface.
{{ :cisco:books:ccnp_300-730:ch3:000:Lab-000-IKEv2-Capture.png?900 |Lab-000-IKEv2-Capture}}
  * The crypto is working correctly. The ICMP (ping) packets are formatted ESP because they are encrypted.



=====Backlinks=====
[[:cisco|Cisco]]\\ 
[[:cisco:books|Cisco Books]]\\ 
[[:cisco:books:ccnp_300-730|CCNP Security Virtual Private Networks SVPN 300-730]]\\ 
[[:cisco:books:ccnp_300-730:ch3|CCNP SVPN 300-730 - Chapter 3]]\\
Tim's Technology Journey Wiki

User Tools

Site Tools

Page Tools
