Host-To-Host

This scenario shows how to configure IPSec between two single hosts which do not have a subnet behind them. Since there’s only host-to-host communication, both transport and tunnel mode can be used.

../../../../../_images/hosttohost.svg

Test Host-To-Host Transport Mode

Description

Simple VPN configuration to connect two hosts using transport mode.

Scenario

Step 1: Set the following configuration in DUT0 :

set interfaces ethernet eth0 address 80.0.0.1/24
set system login user admin authentication encrypted-password '$6$GSjsCj8gHLv$/VcqU6FLi6CT2Oxn0MJQ2C2tqnRDrYKNF8HIYWJp68nvXvPdFccDsT04.WtigUONbKYrgKg8d6rEs8PjljMkH0'
set vpn ipsec auth-profile AUTH-SA global-secrets ike-psk %any encrypted-secret U2FsdGVkX1/zZorwj2XbjpG/tDUqPYcV+swtZ5AJlxc=
set vpn ipsec auth-profile AUTH-SA local auth ike-psk id %any
set vpn ipsec auth-profile AUTH-SA remote auth ike-psk id %any
set vpn ipsec esp-group CHILD-SA mode transport
set vpn ipsec esp-group CHILD-SA proposal 1 encryption aes256gcm128
set vpn ipsec esp-group CHILD-SA proposal 1 pfs dh-group19
set vpn ipsec ike-group IKE-SA key-exchange ikev2
set vpn ipsec ike-group IKE-SA proposal 1 dh-group 19
set vpn ipsec ike-group IKE-SA proposal 1 encryption aes256gcm128
set vpn ipsec ike-group IKE-SA proposal 1 hash sha256
set vpn ipsec site-to-site peer PEER auth-profile AUTH-SA
set vpn ipsec site-to-site peer PEER connection-type respond
set vpn ipsec site-to-site peer PEER default-esp-group CHILD-SA
set vpn ipsec site-to-site peer PEER ike-group IKE-SA
set vpn ipsec site-to-site peer PEER local-address 80.0.0.1
set vpn ipsec site-to-site peer PEER remote-address 80.0.0.2
set vpn ipsec site-to-site peer PEER tunnel 1 local prefix 80.0.0.1/32
set vpn ipsec site-to-site peer PEER tunnel 1 remote prefix 80.0.0.2/32

Step 2: Set the following configuration in DUT1 :

set interfaces ethernet eth0 address 80.0.0.2/24
set system login user admin authentication encrypted-password '$6$GSjsCj8gHLv$/VcqU6FLi6CT2Oxn0MJQ2C2tqnRDrYKNF8HIYWJp68nvXvPdFccDsT04.WtigUONbKYrgKg8d6rEs8PjljMkH0'
set vpn ipsec auth-profile AUTH-SA global-secrets ike-psk %any encrypted-secret U2FsdGVkX1/GepB/BWoETPKkTxUQIG2EVNlcqkcG/Gg=
set vpn ipsec auth-profile AUTH-SA local auth ike-psk id %any
set vpn ipsec auth-profile AUTH-SA remote auth ike-psk id %any
set vpn ipsec esp-group CHILD-SA mode transport
set vpn ipsec esp-group CHILD-SA proposal 1 encryption aes256gcm128
set vpn ipsec esp-group CHILD-SA proposal 1 pfs dh-group19
set vpn ipsec ike-group IKE-SA key-exchange ikev2
set vpn ipsec ike-group IKE-SA proposal 1 dh-group 19
set vpn ipsec ike-group IKE-SA proposal 1 encryption aes256gcm128
set vpn ipsec ike-group IKE-SA proposal 1 hash sha256
set vpn ipsec site-to-site peer PEER auth-profile AUTH-SA
set vpn ipsec site-to-site peer PEER connection-type initiate
set vpn ipsec site-to-site peer PEER default-esp-group CHILD-SA
set vpn ipsec site-to-site peer PEER ike-group IKE-SA
set vpn ipsec site-to-site peer PEER local-address 80.0.0.2
set vpn ipsec site-to-site peer PEER remote-address 80.0.0.1
set vpn ipsec site-to-site peer PEER tunnel 1 local prefix 80.0.0.2/32
set vpn ipsec site-to-site peer PEER tunnel 1 remote prefix 80.0.0.1/32

Step 3: Ping the IP address 80.0.0.1 from DUT1:

admin@DUT1$ ping 80.0.0.1 count 1 size 56 timeout 1
Show output
PING 80.0.0.1 (80.0.0.1) 56(84) bytes of data.
64 bytes from 80.0.0.1: icmp_seq=1 ttl=64 time=0.326 ms

--- 80.0.0.1 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 0.326/0.326/0.326/0.000 ms

Step 4: Ping the IP address 80.0.0.2 from DUT0:

admin@DUT0$ ping 80.0.0.2 count 1 size 56 timeout 1
Show output
PING 80.0.0.2 (80.0.0.2) 56(84) bytes of data.
64 bytes from 80.0.0.2: icmp_seq=1 ttl=64 time=0.597 ms

--- 80.0.0.2 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 0.597/0.597/0.597/0.000 ms

Step 5: Run the command vpn ipsec show sa on DUT0 and check whether the output matches the following regular expressions:

peer-PEER-tunnel-\d+.+INSTALLED
Show output
vpn-peer-PEER: #1, ESTABLISHED, IKEv2, 730b070b2b8c30c5_i 2dcf562caab19c03_r*
  local  '80.0.0.1' @ 80.0.0.1[500]
  remote '80.0.0.2' @ 80.0.0.2[500]
  AES_GCM_16-256/PRF_HMAC_SHA2_256/ECP_256
  established 1s ago, rekeying in 24311s
  peer-PEER-tunnel-1: #1, reqid 1, INSTALLED, TRANSPORT, ESP:AES_GCM_16-256
    installed 1s ago, rekeying in 3238s, expires in 3959s
    in  cb95ca06,    128 bytes,     2 packets,     0s ago
    out ce3ade42,    128 bytes,     2 packets,     0s ago
    local  80.0.0.1/32
    remote 80.0.0.2/32

Step 6: Ping the IP address 80.0.0.1 from DUT1:

admin@DUT1$ ping 80.0.0.1 count 1 size 56 timeout 1
Show output
PING 80.0.0.1 (80.0.0.1) 56(84) bytes of data.
64 bytes from 80.0.0.1: icmp_seq=1 ttl=64 time=0.392 ms

--- 80.0.0.1 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 0.392/0.392/0.392/0.000 ms

Step 7: Ping the IP address 80.0.0.2 from DUT0:

admin@DUT0$ ping 80.0.0.2 count 1 size 56 timeout 1
Show output
PING 80.0.0.2 (80.0.0.2) 56(84) bytes of data.
64 bytes from 80.0.0.2: icmp_seq=1 ttl=64 time=0.581 ms

--- 80.0.0.2 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 0.581/0.581/0.581/0.000 ms

Step 8: Run the command vpn ipsec show sa on DUT0 and check whether the output matches the following regular expressions:

[1-9]\d? packets
Show output
vpn-peer-PEER: #1, ESTABLISHED, IKEv2, 730b070b2b8c30c5_i 2dcf562caab19c03_r*
  local  '80.0.0.1' @ 80.0.0.1[500]
  remote '80.0.0.2' @ 80.0.0.2[500]
  AES_GCM_16-256/PRF_HMAC_SHA2_256/ECP_256
  established 1s ago, rekeying in 24311s
  peer-PEER-tunnel-1: #1, reqid 1, INSTALLED, TRANSPORT, ESP:AES_GCM_16-256
    installed 1s ago, rekeying in 3238s, expires in 3959s
    in  cb95ca06,    256 bytes,     4 packets,     0s ago
    out ce3ade42,    256 bytes,     4 packets,     0s ago
    local  80.0.0.1/32
    remote 80.0.0.2/32

Test Host-To-Host Tunnel Mode

Description

Simple VPN configuration to connect two hosts using tunnel mode.

Scenario

Step 1: Set the following configuration in DUT0 :

set interfaces ethernet eth0 address 80.0.0.1/24
set system login user admin authentication encrypted-password '$6$GSjsCj8gHLv$/VcqU6FLi6CT2Oxn0MJQ2C2tqnRDrYKNF8HIYWJp68nvXvPdFccDsT04.WtigUONbKYrgKg8d6rEs8PjljMkH0'
set vpn ipsec auth-profile AUTH-SA global-secrets ike-psk %any encrypted-secret U2FsdGVkX1/+i84e0uazq6Y+nCL0x8oI+TI69yldRio=
set vpn ipsec auth-profile AUTH-SA local auth ike-psk id %any
set vpn ipsec auth-profile AUTH-SA remote auth ike-psk id %any
set vpn ipsec esp-group CHILD-SA mode tunnel
set vpn ipsec esp-group CHILD-SA proposal 1 encryption aes256gcm128
set vpn ipsec esp-group CHILD-SA proposal 1 pfs dh-group19
set vpn ipsec ike-group IKE-SA key-exchange ikev2
set vpn ipsec ike-group IKE-SA proposal 1 dh-group 19
set vpn ipsec ike-group IKE-SA proposal 1 encryption aes256gcm128
set vpn ipsec ike-group IKE-SA proposal 1 hash sha256
set vpn ipsec site-to-site peer PEER auth-profile AUTH-SA
set vpn ipsec site-to-site peer PEER connection-type respond
set vpn ipsec site-to-site peer PEER default-esp-group CHILD-SA
set vpn ipsec site-to-site peer PEER ike-group IKE-SA
set vpn ipsec site-to-site peer PEER local-address 80.0.0.1
set vpn ipsec site-to-site peer PEER remote-address 80.0.0.2
set vpn ipsec site-to-site peer PEER tunnel 1 local prefix 80.0.0.1/32
set vpn ipsec site-to-site peer PEER tunnel 1 remote prefix 80.0.0.2/32

Step 2: Set the following configuration in DUT1 :

set interfaces ethernet eth0 address 80.0.0.2/24
set system login user admin authentication encrypted-password '$6$GSjsCj8gHLv$/VcqU6FLi6CT2Oxn0MJQ2C2tqnRDrYKNF8HIYWJp68nvXvPdFccDsT04.WtigUONbKYrgKg8d6rEs8PjljMkH0'
set vpn ipsec auth-profile AUTH-SA global-secrets ike-psk %any encrypted-secret U2FsdGVkX1+vmA4Ozj+iTG5g5IxbplVxyxWJtbQxIP8=
set vpn ipsec auth-profile AUTH-SA local auth ike-psk id %any
set vpn ipsec auth-profile AUTH-SA remote auth ike-psk id %any
set vpn ipsec esp-group CHILD-SA mode tunnel
set vpn ipsec esp-group CHILD-SA proposal 1 encryption aes256gcm128
set vpn ipsec esp-group CHILD-SA proposal 1 pfs dh-group19
set vpn ipsec ike-group IKE-SA key-exchange ikev2
set vpn ipsec ike-group IKE-SA proposal 1 dh-group 19
set vpn ipsec ike-group IKE-SA proposal 1 encryption aes256gcm128
set vpn ipsec ike-group IKE-SA proposal 1 hash sha256
set vpn ipsec site-to-site peer PEER auth-profile AUTH-SA
set vpn ipsec site-to-site peer PEER connection-type initiate
set vpn ipsec site-to-site peer PEER default-esp-group CHILD-SA
set vpn ipsec site-to-site peer PEER ike-group IKE-SA
set vpn ipsec site-to-site peer PEER local-address 80.0.0.2
set vpn ipsec site-to-site peer PEER remote-address 80.0.0.1
set vpn ipsec site-to-site peer PEER tunnel 1 local prefix 80.0.0.2/32
set vpn ipsec site-to-site peer PEER tunnel 1 remote prefix 80.0.0.1/32

Step 3: Ping the IP address 80.0.0.1 from DUT1:

admin@DUT1$ ping 80.0.0.1 count 1 size 56 timeout 1
Show output
PING 80.0.0.1 (80.0.0.1) 56(84) bytes of data.
64 bytes from 80.0.0.1: icmp_seq=1 ttl=64 time=0.465 ms

--- 80.0.0.1 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 0.465/0.465/0.465/0.000 ms

Step 4: Ping the IP address 80.0.0.2 from DUT0:

admin@DUT0$ ping 80.0.0.2 count 1 size 56 timeout 1
Show output
PING 80.0.0.2 (80.0.0.2) 56(84) bytes of data.
64 bytes from 80.0.0.2: icmp_seq=1 ttl=64 time=0.260 ms

--- 80.0.0.2 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 0.260/0.260/0.260/0.000 ms

Step 5: Run the command vpn ipsec show sa on DUT0 and check whether the output matches the following regular expressions:

peer-PEER-tunnel-\d+.+INSTALLED
Show output
vpn-peer-PEER: #1, ESTABLISHED, IKEv2, f705db54dfae4f3d_i 835b99287c565f9d_r*
  local  '80.0.0.1' @ 80.0.0.1[500]
  remote '80.0.0.2' @ 80.0.0.2[500]
  AES_GCM_16-256/PRF_HMAC_SHA2_256/ECP_256
  established 0s ago, rekeying in 14924s
  peer-PEER-tunnel-1: #1, reqid 1, INSTALLED, TUNNEL, ESP:AES_GCM_16-256
    installed 0s ago, rekeying in 3358s, expires in 3960s
    in  ccf1af18,    168 bytes,     2 packets,     0s ago
    out c80320ac,    168 bytes,     2 packets,     0s ago
    local  80.0.0.1/32
    remote 80.0.0.2/32

Step 6: Ping the IP address 80.0.0.1 from DUT1:

admin@DUT1$ ping 80.0.0.1 count 1 size 56 timeout 1
Show output
PING 80.0.0.1 (80.0.0.1) 56(84) bytes of data.
64 bytes from 80.0.0.1: icmp_seq=1 ttl=64 time=0.661 ms

--- 80.0.0.1 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 0.661/0.661/0.661/0.000 ms

Step 7: Ping the IP address 80.0.0.2 from DUT0:

admin@DUT0$ ping 80.0.0.2 count 1 size 56 timeout 1
Show output
PING 80.0.0.2 (80.0.0.2) 56(84) bytes of data.
64 bytes from 80.0.0.2: icmp_seq=1 ttl=64 time=0.439 ms

--- 80.0.0.2 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 0.439/0.439/0.439/0.000 ms

Step 8: Run the command vpn ipsec show sa on DUT0 and check whether the output matches the following regular expressions:

[1-9]\d? packets
Show output
vpn-peer-PEER: #1, ESTABLISHED, IKEv2, f705db54dfae4f3d_i 835b99287c565f9d_r*
  local  '80.0.0.1' @ 80.0.0.1[500]
  remote '80.0.0.2' @ 80.0.0.2[500]
  AES_GCM_16-256/PRF_HMAC_SHA2_256/ECP_256
  established 1s ago, rekeying in 14923s
  peer-PEER-tunnel-1: #1, reqid 1, INSTALLED, TUNNEL, ESP:AES_GCM_16-256
    installed 1s ago, rekeying in 3357s, expires in 3959s
    in  ccf1af18,    336 bytes,     4 packets,     0s ago
    out c80320ac,    336 bytes,     4 packets,     0s ago
    local  80.0.0.1/32
    remote 80.0.0.2/32