IKEv2 配置實驗

Branch：

1.配置proposal

crypto ikev2 proposal ikev2-proposal
 encryption 3des aes-cbc-256
 integrity sha256 sha512
 group 2 5 14

2.配置 policy（可選）

crypto ikev2 policy ikev2-policy
 proposal ikev2-proposal

3.配置keyring（必須）

crypto ikev2 keyring ikev2-keyring
 peer center-asa
 address 202.100.1.10
 pre-shared-key pre-key

4.配置profile（必須）

crypto ikev2 profile ikev2-profile
 match identity remote address 202.100.1.10 255.255.255.255
 identity local address 162.106.1.1
 authentication remote pre-share
 authentication local pre-share
 keyring local ikev2-keyring

5.配置transform-set（可選）

crypto ipsec transform-set trans1 esp-des esp-md5-hmac
 mode tunnel
crypto ipsec transform-set trans2 esp-3des esp-sha256-hmac
 mode tunnel
show crypto ipsec transform-set

6.配置感興趣流(必須）

ip access-list extended vpn
 permit ip 192.168.1.0(本端） 0.0.0.255 192.168.2.0（對端） 0.0.0.255

7.配置crypto map(必須）

crypto map crypto-map 10 ipsec-isakmp
 set peer 202.100.1.10
 set transform-set trans1 trans2
 set ikev2-profile ikev2-profile
 match address vpn

8.接口調用map（必須）

interface f0/1
 ip add 162.100.1.1 255.255.255.0
 crypto map crypto-map

ASA：

1.相關接口激活ikev2

crypto ikev2 enable outside

2.配置policy

crypto ikev2 policy 10
 encryption aes-256 des
 integrity sha256 sha
 group 2 1
 prf sha256 sha
 lifetime seconds 86400
tunnel-group 162.106.1.1 type ipsec-l2l
tunnel-group 162.106.1.1 ipsec-attributes
 ikev2 remote-authentication pre-shared-key pre-key
 ikev2 local-authentication pre-shared-key pre-key

3.配置transform-set

crypto ipsec ikev2 ipsec-proposal trans
 protocol esp encryption aes-192 des
 protocol esp integrity sha-1 md5

4.配置感興趣流

access-list vpn extended permit ip 192.168.2.0 255.255.255.0 192.168.1.0 255.255.255.0

5.配置crypto map

crypto map crypto-map 10 match address vpn
crypto map crypto-map 10 set peer 162.106.1.1
crypto map crypto-map 10 set ikev2 ipsec-proposal trans
crypto map crypto-map interface outside

--------------------------------

狀態檢查：

B#ping 192.168.2.1 so 192.168.1.1
*Mar  2 01:13:44.517: %SYS-5-CONFIG_I: Configured from console by console
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 192.168.2.1, timeout is 2 seconds:
Packet sent with a source address of 192.168.1.1 
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 20/30/40 ms

Branch#show crypto session
Crypto session current status
Interface: GigabitEthernet0/1
Profile: ikev2-profile
Session status: UP-ACTIVE     
Peer: 202.100.1.10 port 500 
  Session ID: 1  
  IKEv2 SA: local 162.106.1.1/500 remote 202.100.1.10/500 Active 
  IPSEC FLOW: permit ip 192.168.1.0/255.255.255.0 192.168.2.0/255.255.255.0 
        Active SAs: 2, origin: crypto map

Branch#show crypto ipsec sa

interface: GigabitEthernet0/1
    Crypto map tag: crypto-map, local addr 162.106.1.1

   protected vrf: (none)
   local  ident (addr/mask/prot/port): (192.168.1.0/255.255.255.0/0/0)
   remote ident (addr/mask/prot/port): (192.168.2.0/255.255.255.0/0/0)
   current_peer 202.100.1.10 port 500
     PERMIT, flags={origin_is_acl,}
    #pkts encaps: 9, #pkts encrypt: 9, #pkts digest: 9
    #pkts decaps: 9, #pkts decrypt: 9, #pkts verify: 9
    #pkts compressed: 0, #pkts decompressed: 0
    #pkts not compressed: 0, #pkts compr. failed: 0
    #pkts not decompressed: 0, #pkts decompress failed: 0
    #send errors 0, #recv errors 0
    
Branch#show crypto ikev2 sa
 IPv4 Crypto IKEv2  SA 
Tunnel-id Local                 Remote                fvrf/ivrf            Status 
1         162.106.1.1/500       202.100.1.10/500      none/none            READY  
      Encr: AES-CBC, keysize: 256, PRF: SHA256, Hash: SHA256, DH Grp:2, Auth sign: PSK, Auth verify: PSK
      Life/Active Time: 86400/156 sec
 IPv6 Crypto IKEv2  SA
 
Branch#show crypto engine connections active 
Crypto Engine Connections

   ID  Type    Algorithm           Encrypt  Decrypt LastSeqN IP-Address
    1  IPsec   DES+MD5                 114        0        0 162.106.1.1
    2  IPsec   DES+MD5                   0      114      114 162.106.1.1
 1001  IKEv2   SHA256+AES256             0        0        0 162.106.1.1

show crypto ipsec status
ASA# show crypto ipsec sa
interface: outside
    Crypto map tag: crypto-map, seq num: 10, local addr: 202.100.1.10
      access-list vpn extended permit ip 192.168.2.0 255.255.255.0 192.168.1.0 255.255.255.0 
      local ident (addr/mask/prot/port): (192.168.2.0/255.255.255.0/0/0)
      remote ident (addr/mask/prot/port): (192.168.1.0/255.255.255.0/0/0)
      current_peer: 162.106.1.1
      #pkts encaps: 9, #pkts encrypt: 9, #pkts digest: 9
      #pkts decaps: 9, #pkts decrypt: 9, #pkts verify: 9

cisco VPN 第二天ikev2實驗筆記