config vpn ipsec phase1-interface

Configure VPN remote gateway.

config vpn ipsec phase1-interface
    Description: Configure VPN remote gateway.
    edit <name>
        set interface {string}
        set ike-version [1|2]
        set local-gw {ipv4-address}
        set remote-gw {ipv4-address}
        set keylife {integer}
        set certificate <name1>, <name2>, ...
        set authmethod [psk|signature]
        set mode [aggressive|main]
        set peertype {option}
        set peerid {string}
        set peer {string}
        set packet-redistribution [enable|disable]
        set proposal {option1}, {option2}, ...
        set psksecret {password-3}
        set keepalive {integer}
        set distance {integer}
        set priority {integer}
        set localid {string}
        set localid-type [auto|fqdn|...]
        set negotiate-timeout {integer}
        set fragmentation [enable|disable]
        set comments {var-string}
        set send-cert-chain [enable|disable]
        set dhgrp {option1}, {option2}, ...
        set eap [enable|disable]
        set eap-identity [use-id-payload|send-request]
        set eap-exclude-peergrp {string}
        set acct-verify [enable|disable]
        set ppk [disable|allow|...]
        set ppk-secret {password-3}
        set ppk-identity {string}
        set wizard-type [custom|dialup-forticlient|...]
        set xauthtype [disable|client|...]
        set reauth [disable|enable]
        set authusr {string}
        set authpasswd {password}
        set group-authentication [enable|disable]
        set group-authentication-secret {password-3}
        set authusrgrp {string}
        set idle-timeout [enable|disable]
        set idle-timeoutinterval {integer}
        set fgsp-sync [enable|disable]
        set inbound-dscp-copy [enable|disable]
        set auto-discovery-sender [enable|disable]
        set auto-discovery-receiver [enable|disable]
        set auto-discovery-forwarder [enable|disable]
        set auto-discovery-psk [enable|disable]
        set auto-discovery-shortcuts [independent|dependent]
        set auto-discovery-crossover [allow|block]
        set auto-discovery-offer-interval {integer}
        set fragmentation-mtu {integer}
        set childless-ike [enable|disable]
        set rekey [enable|disable]
        set digital-signature-auth [enable|disable]
        set signature-hash-alg {option1}, {option2}, ...
        set rsa-signature-format [pkcs1|pss]
        set rsa-signature-hash-override [enable|disable]
        set enforce-unique-id [disable|keep-new|...]
        set cert-id-validation [enable|disable]
        set network-overlay [disable|enable]
        set network-id {integer}
        set dev-id-notification [disable|enable]
        set dev-id {string}
        set loopback-asymroute [enable|disable]
        set link-cost {integer}
        set exchange-fgt-device-id [enable|disable]
    next
end

config vpn ipsec phase1-interface

Parameter

Description

Type

Size

Default

name

IPsec remote gateway name.

string

Maximum length: 15

interface

Local physical, aggregate, or VLAN outgoing interface.

string

Maximum length: 35

ike-version

IKE protocol version.

option

Option	Description
1	Use IKEv1 protocol.
2	Use IKEv2 protocol.

local-gw

IPv4 address of the local gateway's external interface.

ipv4-address

Not Specified

0.0.0.0

remote-gw

IPv4 address of the remote gateway's external interface.

ipv4-address

Not Specified

0.0.0.0

keylife

Time to wait in seconds before phase 1 encryption key expires.

integer

Minimum value: 120 Maximum value: 172800

86400

certificate <name>

The names of up to 4 signed personal certificates.

Certificate name.

string

Maximum length: 79

authmethod

Authentication method.

option

psk

Option	Description
psk	PSK authentication method.
signature	Signature authentication method.

mode

The ID protection mode used to establish a secure channel.

option

main

Option	Description
aggressive	Aggressive mode.
main	Main mode.

peertype

Accept this peer type.

option

Option	Description
any	Accept any peer ID.

peerid

Accept this peer identity.

string

Maximum length: 255

peer

Accept this peer certificate.

string

Maximum length: 35

packet-redistribution

Enable/disable packet distribution (RPS) on the IPsec interface.

option

disable

Option	Description
enable	Enable packet redistribution.
disable	Disable packet redistribution.

proposal

Phase1 proposal.

option

Option	Description
des-md5	des-md5
des-sha1	des-sha1
des-sha256	des-sha256
des-sha384	des-sha384
des-sha512	des-sha512
3des-md5	3des-md5
3des-sha1	3des-sha1
3des-sha256	3des-sha256
3des-sha384	3des-sha384
3des-sha512	3des-sha512
aes128-md5	aes128-md5
aes128-sha1	aes128-sha1
aes128-sha256	aes128-sha256
aes128-sha384	aes128-sha384
aes128-sha512	aes128-sha512
aes128gcm-prfsha1	aes128gcm-prfsha1
aes128gcm-prfsha256	aes128gcm-prfsha256
aes128gcm-prfsha384	aes128gcm-prfsha384
aes128gcm-prfsha512	aes128gcm-prfsha512
aes192-md5	aes192-md5
aes192-sha1	aes192-sha1
aes192-sha256	aes192-sha256
aes192-sha384	aes192-sha384
aes192-sha512	aes192-sha512
aes256-md5	aes256-md5
aes256-sha1	aes256-sha1
aes256-sha256	aes256-sha256
aes256-sha384	aes256-sha384
aes256-sha512	aes256-sha512
aes256gcm-prfsha1	aes256gcm-prfsha1
aes256gcm-prfsha256	aes256gcm-prfsha256
aes256gcm-prfsha384	aes256gcm-prfsha384
aes256gcm-prfsha512	aes256gcm-prfsha512
chacha20poly1305-prfsha1	chacha20poly1305-prfsha1
chacha20poly1305-prfsha256	chacha20poly1305-prfsha256
chacha20poly1305-prfsha384	chacha20poly1305-prfsha384
chacha20poly1305-prfsha512	chacha20poly1305-prfsha512
aria128-md5	aria128-md5
aria128-sha1	aria128-sha1
aria128-sha256	aria128-sha256
aria128-sha384	aria128-sha384
aria128-sha512	aria128-sha512
aria192-md5	aria192-md5
aria192-sha1	aria192-sha1
aria192-sha256	aria192-sha256
aria192-sha384	aria192-sha384
aria192-sha512	aria192-sha512
aria256-md5	aria256-md5
aria256-sha1	aria256-sha1
aria256-sha256	aria256-sha256
aria256-sha384	aria256-sha384
aria256-sha512	aria256-sha512
seed-md5	seed-md5
seed-sha1	seed-sha1
seed-sha256	seed-sha256
seed-sha384	seed-sha384
seed-sha512	seed-sha512

psksecret

Pre-shared secret for PSK authentication (ASCII string or hexadecimal encoded with a leading 0x).

password-3

Not Specified

keepalive

NAT-T keep alive interval.

integer

Minimum value: 10 Maximum value: 900

distance

Distance for routes added by IKE.

integer

Minimum value: 1 Maximum value: 255

priority

Priority for routes added by IKE.

integer

Minimum value: 1 Maximum value: 65535

localid

Local ID.

string

Maximum length: 63

localid-type

Local ID type.

option

auto

Option	Description
auto	Select ID type automatically.
fqdn	Use fully qualified domain name.
user-fqdn	Use user fully qualified domain name.
keyid	Use key-id string.
address	Use local IP address.
asn1dn	Use ASN.1 distinguished name.

negotiate-timeout

IKE SA negotiation timeout in seconds.

integer

Minimum value: 1 Maximum value: 300

fragmentation

Enable/disable fragment IKE message on re-transmission.

option

enable

Option	Description
enable	Enable intra-IKE fragmentation support on re-transmission.
disable	Disable intra-IKE fragmentation support.

comments

Comment.

var-string

Maximum length: 255

send-cert-chain

Enable/disable sending certificate chain.

option

enable

Option	Description
enable	Enable sending certificate chain.
disable	Disable sending certificate chain.

dhgrp

DH group.

option

Option	Description
1	DH Group 1.
2	DH Group 2.
5	DH Group 5.
14	DH Group 14.
15	DH Group 15.
16	DH Group 16.
17	DH Group 17.
18	DH Group 18.
19	DH Group 19.
20	DH Group 20.
21	DH Group 21.
27	DH Group 27.
28	DH Group 28.
29	DH Group 29.
30	DH Group 30.
31	DH Group 31.
32	DH Group 32.

eap

Enable/disable IKEv2 EAP authentication.

option

disable

Option	Description
enable	Enable IKEv2 EAP authentication.
disable	Disable IKEv2 EAP authentication.

eap-identity

IKEv2 EAP peer identity type.

option

use-id-payload

Option	Description
use-id-payload	Use IKEv2 IDi payload to resolve peer identity.
send-request	Use EAP identity request to resolve peer identity.

eap-exclude-peergrp

Peer group excluded from EAP authentication.

string

Maximum length: 35

acct-verify

Enable/disable verification of RADIUS accounting record.

option

disable

Option	Description
enable	Enable verification of RADIUS accounting record.
disable	Disable verification of RADIUS accounting record.

ppk

Enable/disable IKEv2 Postquantum Preshared Key (PPK).

option

disable

Option	Description
disable	Disable use of IKEv2 Postquantum Preshared Key (PPK).
allow	Allow, but do not require, use of IKEv2 Postquantum Preshared Key (PPK).
require	Require use of IKEv2 Postquantum Preshared Key (PPK).

ppk-secret

IKEv2 Postquantum Preshared Key (ASCII string or hexadecimal encoded with a leading 0x).

password-3

Not Specified

ppk-identity

IKEv2 Postquantum Preshared Key Identity.

string

Maximum length: 35

wizard-type

GUI VPN Wizard Type.

option

custom

Option	Description
custom	Custom VPN configuration.
dialup-forticlient	Dial Up - FortiClient Windows, Mac and Android.
dialup-ios	Dial Up - iPhone / iPad Native IPsec Client.
dialup-android	Dial Up - Android Native IPsec Client.
dialup-windows	Dial Up - Windows Native IPsec Client.
dialup-cisco	Dial Up - Cisco IPsec Client.
static-fortiproxy	Site to Site - FortiProxy.
dialup-fortiproxy	Dial Up - FortiProxy.
static-cisco	Site to Site - Cisco.
dialup-cisco-fw	Dialup Up - Cisco Firewall.
simplified-static-fortiproxy	Site to Site - FortiProxy (SD-WAN).
hub-fortiproxy-auto-discovery	Hub role in a Hub-and-Spoke auto-discovery VPN.
spoke-fortiproxy-auto-discovery	Spoke role in a Hub-and-Spoke auto-discovery VPN.

xauthtype

XAuth type.

option

disable

Option	Description
disable	Disable.
client	Enable as client.
pap	Enable as server PAP.
chap	Enable as server CHAP.
auto	Enable as server auto.

reauth

Enable/disable re-authentication upon IKE SA lifetime expiration.

option

disable

Option	Description
disable	Disable IKE SA re-authentication.
enable	Enable IKE SA re-authentication.

authusr

XAuth user name.

string

Maximum length: 64

authpasswd

XAuth password (max 35 characters).

password

Not Specified

group-authentication

Enable/disable IKEv2 IDi group authentication.

option

disable

Option	Description
enable	Enable IKEv2 IDi group authentication.
disable	Disable IKEv2 IDi group authentication.

group-authentication-secret

Password for IKEv2 ID group authentication. ASCII string or hexadecimal indicated by a leading 0x.

password-3

Not Specified

authusrgrp

Authentication user group.

string

Maximum length: 35

idle-timeout

Enable/disable IPsec tunnel idle timeout.

option

disable

Option	Description
enable	Enable IPsec tunnel idle timeout.
disable	Disable IPsec tunnel idle timeout.

idle-timeoutinterval

IPsec tunnel idle timeout in minutes.

integer

Minimum value: 5 Maximum value: 43200

fgsp-sync

Enable/disable IPsec syncing of tunnels for FGSP IPsec.

option

disable

Option	Description
enable	Enable IPsec syncing of tunnels to other cluster members.
disable	Disable IPsec syncing of tunnels to other cluster members.

inbound-dscp-copy

Enable/disable copy the dscp in the ESP header to the inner IP Header.

option

disable

Option	Description
enable	Enable copy the dscp in the ESP header to the inner IP Header.
disable	Disable copy the dscp in the ESP header to the inner IP Header.

auto-discovery-sender

Enable/disable sending auto-discovery short-cut messages.

option

disable

Option	Description
enable	Enable sending auto-discovery short-cut messages.
disable	Disable sending auto-discovery short-cut messages.

auto-discovery-receiver

Enable/disable accepting auto-discovery short-cut messages.

option

disable

Option	Description
enable	Enable receiving auto-discovery short-cut messages.
disable	Disable receiving auto-discovery short-cut messages.

auto-discovery-forwarder

Enable/disable forwarding auto-discovery short-cut messages.

option

disable

Option	Description
enable	Enable forwarding auto-discovery short-cut messages.
disable	Disable forwarding auto-discovery short-cut messages.

auto-discovery-psk

Enable/disable use of pre-shared secrets for authentication of auto-discovery tunnels.

option

disable

Option	Description
enable	Enable use of pre-shared-secret authentication for auto-discovery tunnels.
disable	Disable use of authentication defined by 'authmethod' for auto-discovery tunnels.

auto-discovery-shortcuts

Control deletion of child short-cut tunnels when the parent tunnel goes down.

option

independent

Option	Description
independent	Short-cut tunnels remain up if the parent tunnel goes down.
dependent	Short-cut tunnels are brought down if the parent tunnel goes down.

auto-discovery-crossover

Allow/block set-up of short-cut tunnels between different network IDs.

option

allow

Option	Description
allow	Allow set-up of short-cut tunnels between different network IDs.
block	Block set-up of short-cut tunnels between different network IDs.

auto-discovery-offer-interval

Interval between shortcut offer messages in seconds.

integer

Minimum value: 1 Maximum value: 300

fragmentation-mtu

IKE fragmentation MTU.

integer

Minimum value: 500 Maximum value: 16000

1200

childless-ike

Enable/disable childless IKEv2 initiation (RFC 6023).

option

disable

Option	Description
enable	Enable childless IKEv2 initiation (RFC 6023).
disable	Disable childless IKEv2 initiation (RFC 6023).

rekey

Enable/disable phase1 rekey.

option

enable

Option	Description
enable	Enable phase1 rekey.
disable	Disable phase1 rekey.

digital-signature-auth

Enable/disable IKEv2 Digital Signature Authentication (RFC 7427).

option

disable

Option	Description
enable	Enable IKEv2 Digital Signature Authentication (RFC 7427).
disable	Disable IKEv2 Digital Signature Authentication (RFC 7427).

signature-hash-alg

Digital Signature Authentication hash algorithms.

option

sha2-512

Option	Description
sha1	SHA1.
sha2-256	SHA2-256.
sha2-384	SHA2-384.
sha2-512	SHA2-512.

rsa-signature-format

Digital Signature Authentication RSA signature format.

option

pkcs1

Option	Description
pkcs1	RSASSA PKCS#1 v1.5.
pss	RSASSA Probabilistic Signature Scheme (PSS).

rsa-signature-hash-override

Enable/disable IKEv2 RSA signature hash algorithm override.

option

disable

Option	Description
enable	Enable IKEv2 RSA signature hash algorithm override.
disable	Disable IKEv2 RSA signature hash algorithm override.

enforce-unique-id

Enable/disable peer ID uniqueness check.

option

disable

Option	Description
disable	Disable peer ID uniqueness enforcement.
keep-new	Enforce peer ID uniqueness, keep new connection if collision found.
keep-old	Enforce peer ID uniqueness, keep old connection if collision found.

cert-id-validation

Enable/disable cross validation of peer ID and the identity in the peer's certificate as specified in RFC 4945.

option

enable

Option	Description
enable	Enable cross validation of peer ID and the identity in the peer's certificate as specified in RFC 4945.
disable	Disable cross validation of peer ID and the identity in the peer's certificate as specified in RFC 4945.

network-overlay

Enable/disable network overlays.

option

disable

Option	Description
disable	Disable network overlays.
enable	Enable network overlays.

network-id

VPN gateway network ID.

integer

Minimum value: 0 Maximum value: 255

dev-id-notification

Enable/disable device ID notification.

option

disable

Option	Description
disable	Disable device ID notification.
enable	Enable device ID notification.

dev-id

Device ID carried by the device ID notification.

string

Maximum length: 63

loopback-asymroute

Enable/disable asymmetric routing for IKE traffic on loopback interface.

option

enable

Option	Description
enable	Allow ingress/egress IKE traffic to be routed over different interfaces.
disable	Ingress/egress IKE traffic must be routed over the same interface.

link-cost

VPN tunnel underlay link cost.

integer

Minimum value: 0 Maximum value: 255

exchange-fgt-device-id

Enable/disable device identifier exchange with peer FortiGate units for use of VPN monitor data by FortiManager.

option

disable

Option	Description
enable	Enable exchange of FortiProxy device identifier.
disable	Disable exchange of FortiProxy device identifier.

config vpn ipsec phase1-interface

Configure VPN remote gateway.

config vpn ipsec phase1-interface
    Description: Configure VPN remote gateway.
    edit <name>
        set interface {string}
        set ike-version [1|2]
        set local-gw {ipv4-address}
        set remote-gw {ipv4-address}
        set keylife {integer}
        set certificate <name1>, <name2>, ...
        set authmethod [psk|signature]
        set mode [aggressive|main]
        set peertype {option}
        set peerid {string}
        set peer {string}
        set packet-redistribution [enable|disable]
        set proposal {option1}, {option2}, ...
        set psksecret {password-3}
        set keepalive {integer}
        set distance {integer}
        set priority {integer}
        set localid {string}
        set localid-type [auto|fqdn|...]
        set negotiate-timeout {integer}
        set fragmentation [enable|disable]
        set comments {var-string}
        set send-cert-chain [enable|disable]
        set dhgrp {option1}, {option2}, ...
        set eap [enable|disable]
        set eap-identity [use-id-payload|send-request]
        set eap-exclude-peergrp {string}
        set acct-verify [enable|disable]
        set ppk [disable|allow|...]
        set ppk-secret {password-3}
        set ppk-identity {string}
        set wizard-type [custom|dialup-forticlient|...]
        set xauthtype [disable|client|...]
        set reauth [disable|enable]
        set authusr {string}
        set authpasswd {password}
        set group-authentication [enable|disable]
        set group-authentication-secret {password-3}
        set authusrgrp {string}
        set idle-timeout [enable|disable]
        set idle-timeoutinterval {integer}
        set fgsp-sync [enable|disable]
        set inbound-dscp-copy [enable|disable]
        set auto-discovery-sender [enable|disable]
        set auto-discovery-receiver [enable|disable]
        set auto-discovery-forwarder [enable|disable]
        set auto-discovery-psk [enable|disable]
        set auto-discovery-shortcuts [independent|dependent]
        set auto-discovery-crossover [allow|block]
        set auto-discovery-offer-interval {integer}
        set fragmentation-mtu {integer}
        set childless-ike [enable|disable]
        set rekey [enable|disable]
        set digital-signature-auth [enable|disable]
        set signature-hash-alg {option1}, {option2}, ...
        set rsa-signature-format [pkcs1|pss]
        set rsa-signature-hash-override [enable|disable]
        set enforce-unique-id [disable|keep-new|...]
        set cert-id-validation [enable|disable]
        set network-overlay [disable|enable]
        set network-id {integer}
        set dev-id-notification [disable|enable]
        set dev-id {string}
        set loopback-asymroute [enable|disable]
        set link-cost {integer}
        set exchange-fgt-device-id [enable|disable]
    next
end

config vpn ipsec phase1-interface

Parameter

Description

Type

Size

Default

name

IPsec remote gateway name.

string

Maximum length: 15

interface

Local physical, aggregate, or VLAN outgoing interface.

string

Maximum length: 35

ike-version

IKE protocol version.

option

Option	Description
1	Use IKEv1 protocol.
2	Use IKEv2 protocol.

local-gw

IPv4 address of the local gateway's external interface.

ipv4-address

Not Specified

0.0.0.0

remote-gw

IPv4 address of the remote gateway's external interface.

ipv4-address

Not Specified

0.0.0.0

keylife

Time to wait in seconds before phase 1 encryption key expires.

integer

Minimum value: 120 Maximum value: 172800

86400

certificate <name>

The names of up to 4 signed personal certificates.

Certificate name.

string

Maximum length: 79

authmethod

Authentication method.

option

psk

Option	Description
psk	PSK authentication method.
signature	Signature authentication method.

mode

The ID protection mode used to establish a secure channel.

option

main

Option	Description
aggressive	Aggressive mode.
main	Main mode.

peertype

Accept this peer type.

option

Option	Description
any	Accept any peer ID.

peerid

Accept this peer identity.

string

Maximum length: 255

peer

Accept this peer certificate.

string

Maximum length: 35

packet-redistribution

Enable/disable packet distribution (RPS) on the IPsec interface.

option

disable

Option	Description
enable	Enable packet redistribution.
disable	Disable packet redistribution.

proposal

Phase1 proposal.

option

Option	Description
des-md5	des-md5
des-sha1	des-sha1
des-sha256	des-sha256
des-sha384	des-sha384
des-sha512	des-sha512
3des-md5	3des-md5
3des-sha1	3des-sha1
3des-sha256	3des-sha256
3des-sha384	3des-sha384
3des-sha512	3des-sha512
aes128-md5	aes128-md5
aes128-sha1	aes128-sha1
aes128-sha256	aes128-sha256
aes128-sha384	aes128-sha384
aes128-sha512	aes128-sha512
aes128gcm-prfsha1	aes128gcm-prfsha1
aes128gcm-prfsha256	aes128gcm-prfsha256
aes128gcm-prfsha384	aes128gcm-prfsha384
aes128gcm-prfsha512	aes128gcm-prfsha512
aes192-md5	aes192-md5
aes192-sha1	aes192-sha1
aes192-sha256	aes192-sha256
aes192-sha384	aes192-sha384
aes192-sha512	aes192-sha512
aes256-md5	aes256-md5
aes256-sha1	aes256-sha1
aes256-sha256	aes256-sha256
aes256-sha384	aes256-sha384
aes256-sha512	aes256-sha512
aes256gcm-prfsha1	aes256gcm-prfsha1
aes256gcm-prfsha256	aes256gcm-prfsha256
aes256gcm-prfsha384	aes256gcm-prfsha384
aes256gcm-prfsha512	aes256gcm-prfsha512
chacha20poly1305-prfsha1	chacha20poly1305-prfsha1
chacha20poly1305-prfsha256	chacha20poly1305-prfsha256
chacha20poly1305-prfsha384	chacha20poly1305-prfsha384
chacha20poly1305-prfsha512	chacha20poly1305-prfsha512
aria128-md5	aria128-md5
aria128-sha1	aria128-sha1
aria128-sha256	aria128-sha256
aria128-sha384	aria128-sha384
aria128-sha512	aria128-sha512
aria192-md5	aria192-md5
aria192-sha1	aria192-sha1
aria192-sha256	aria192-sha256
aria192-sha384	aria192-sha384
aria192-sha512	aria192-sha512
aria256-md5	aria256-md5
aria256-sha1	aria256-sha1
aria256-sha256	aria256-sha256
aria256-sha384	aria256-sha384
aria256-sha512	aria256-sha512
seed-md5	seed-md5
seed-sha1	seed-sha1
seed-sha256	seed-sha256
seed-sha384	seed-sha384
seed-sha512	seed-sha512

psksecret

Pre-shared secret for PSK authentication (ASCII string or hexadecimal encoded with a leading 0x).

password-3

Not Specified

keepalive

NAT-T keep alive interval.

integer

Minimum value: 10 Maximum value: 900

distance

Distance for routes added by IKE.

integer

Minimum value: 1 Maximum value: 255

priority

Priority for routes added by IKE.

integer

Minimum value: 1 Maximum value: 65535

localid

Local ID.

string

Maximum length: 63

localid-type

Local ID type.

option

auto

Option	Description
auto	Select ID type automatically.
fqdn	Use fully qualified domain name.
user-fqdn	Use user fully qualified domain name.
keyid	Use key-id string.
address	Use local IP address.
asn1dn	Use ASN.1 distinguished name.

negotiate-timeout

IKE SA negotiation timeout in seconds.

integer

Minimum value: 1 Maximum value: 300

fragmentation

Enable/disable fragment IKE message on re-transmission.

option

enable

Option	Description
enable	Enable intra-IKE fragmentation support on re-transmission.
disable	Disable intra-IKE fragmentation support.

comments

Comment.

var-string

Maximum length: 255

send-cert-chain

Enable/disable sending certificate chain.

option

enable

Option	Description
enable	Enable sending certificate chain.
disable	Disable sending certificate chain.

dhgrp

DH group.

option

Option	Description
1	DH Group 1.
2	DH Group 2.
5	DH Group 5.
14	DH Group 14.
15	DH Group 15.
16	DH Group 16.
17	DH Group 17.
18	DH Group 18.
19	DH Group 19.
20	DH Group 20.
21	DH Group 21.
27	DH Group 27.
28	DH Group 28.
29	DH Group 29.
30	DH Group 30.
31	DH Group 31.
32	DH Group 32.

eap

Enable/disable IKEv2 EAP authentication.

option

disable

Option	Description
enable	Enable IKEv2 EAP authentication.
disable	Disable IKEv2 EAP authentication.

eap-identity

IKEv2 EAP peer identity type.

option

use-id-payload

Option	Description
use-id-payload	Use IKEv2 IDi payload to resolve peer identity.
send-request	Use EAP identity request to resolve peer identity.

eap-exclude-peergrp

Peer group excluded from EAP authentication.

string

Maximum length: 35

acct-verify

Enable/disable verification of RADIUS accounting record.

option

disable

Option	Description
enable	Enable verification of RADIUS accounting record.
disable	Disable verification of RADIUS accounting record.

ppk

Enable/disable IKEv2 Postquantum Preshared Key (PPK).

option

disable

Option	Description
disable	Disable use of IKEv2 Postquantum Preshared Key (PPK).
allow	Allow, but do not require, use of IKEv2 Postquantum Preshared Key (PPK).
require	Require use of IKEv2 Postquantum Preshared Key (PPK).

ppk-secret

IKEv2 Postquantum Preshared Key (ASCII string or hexadecimal encoded with a leading 0x).

password-3

Not Specified

ppk-identity

IKEv2 Postquantum Preshared Key Identity.

string

Maximum length: 35

wizard-type

GUI VPN Wizard Type.

option

custom

Option	Description
custom	Custom VPN configuration.
dialup-forticlient	Dial Up - FortiClient Windows, Mac and Android.
dialup-ios	Dial Up - iPhone / iPad Native IPsec Client.
dialup-android	Dial Up - Android Native IPsec Client.
dialup-windows	Dial Up - Windows Native IPsec Client.
dialup-cisco	Dial Up - Cisco IPsec Client.
static-fortiproxy	Site to Site - FortiProxy.
dialup-fortiproxy	Dial Up - FortiProxy.
static-cisco	Site to Site - Cisco.
dialup-cisco-fw	Dialup Up - Cisco Firewall.
simplified-static-fortiproxy	Site to Site - FortiProxy (SD-WAN).
hub-fortiproxy-auto-discovery	Hub role in a Hub-and-Spoke auto-discovery VPN.
spoke-fortiproxy-auto-discovery	Spoke role in a Hub-and-Spoke auto-discovery VPN.

xauthtype

XAuth type.

option

disable

Option	Description
disable	Disable.
client	Enable as client.
pap	Enable as server PAP.
chap	Enable as server CHAP.
auto	Enable as server auto.

reauth

Enable/disable re-authentication upon IKE SA lifetime expiration.

option

disable

Option	Description
disable	Disable IKE SA re-authentication.
enable	Enable IKE SA re-authentication.

authusr

XAuth user name.

string

Maximum length: 64

authpasswd

XAuth password (max 35 characters).

password

Not Specified

group-authentication

Enable/disable IKEv2 IDi group authentication.

option

disable

Option	Description
enable	Enable IKEv2 IDi group authentication.
disable	Disable IKEv2 IDi group authentication.

group-authentication-secret

Password for IKEv2 ID group authentication. ASCII string or hexadecimal indicated by a leading 0x.

password-3

Not Specified

authusrgrp

Authentication user group.

string

Maximum length: 35

idle-timeout

Enable/disable IPsec tunnel idle timeout.

option

disable

Option	Description
enable	Enable IPsec tunnel idle timeout.
disable	Disable IPsec tunnel idle timeout.

idle-timeoutinterval

IPsec tunnel idle timeout in minutes.

integer

Minimum value: 5 Maximum value: 43200

fgsp-sync

Enable/disable IPsec syncing of tunnels for FGSP IPsec.

option

disable

Option	Description
enable	Enable IPsec syncing of tunnels to other cluster members.
disable	Disable IPsec syncing of tunnels to other cluster members.

inbound-dscp-copy

Enable/disable copy the dscp in the ESP header to the inner IP Header.

option

disable

Option	Description
enable	Enable copy the dscp in the ESP header to the inner IP Header.
disable	Disable copy the dscp in the ESP header to the inner IP Header.

auto-discovery-sender

Enable/disable sending auto-discovery short-cut messages.

option

disable

Option	Description
enable	Enable sending auto-discovery short-cut messages.
disable	Disable sending auto-discovery short-cut messages.

auto-discovery-receiver

Enable/disable accepting auto-discovery short-cut messages.

option

disable

Option	Description
enable	Enable receiving auto-discovery short-cut messages.
disable	Disable receiving auto-discovery short-cut messages.

auto-discovery-forwarder

Enable/disable forwarding auto-discovery short-cut messages.

option

disable

Option	Description
enable	Enable forwarding auto-discovery short-cut messages.
disable	Disable forwarding auto-discovery short-cut messages.

auto-discovery-psk

Enable/disable use of pre-shared secrets for authentication of auto-discovery tunnels.

option

disable

Option	Description
enable	Enable use of pre-shared-secret authentication for auto-discovery tunnels.
disable	Disable use of authentication defined by 'authmethod' for auto-discovery tunnels.

auto-discovery-shortcuts

Control deletion of child short-cut tunnels when the parent tunnel goes down.

option

independent

Option	Description
independent	Short-cut tunnels remain up if the parent tunnel goes down.
dependent	Short-cut tunnels are brought down if the parent tunnel goes down.

auto-discovery-crossover

Allow/block set-up of short-cut tunnels between different network IDs.

option

allow

Option	Description
allow	Allow set-up of short-cut tunnels between different network IDs.
block	Block set-up of short-cut tunnels between different network IDs.

auto-discovery-offer-interval

Interval between shortcut offer messages in seconds.

integer

Minimum value: 1 Maximum value: 300

fragmentation-mtu

IKE fragmentation MTU.

integer

Minimum value: 500 Maximum value: 16000

1200

childless-ike

Enable/disable childless IKEv2 initiation (RFC 6023).

option

disable

Option	Description
enable	Enable childless IKEv2 initiation (RFC 6023).
disable	Disable childless IKEv2 initiation (RFC 6023).

rekey

Enable/disable phase1 rekey.

option

enable

Option	Description
enable	Enable phase1 rekey.
disable	Disable phase1 rekey.

digital-signature-auth

Enable/disable IKEv2 Digital Signature Authentication (RFC 7427).

option

disable

Option	Description
enable	Enable IKEv2 Digital Signature Authentication (RFC 7427).
disable	Disable IKEv2 Digital Signature Authentication (RFC 7427).

signature-hash-alg

Digital Signature Authentication hash algorithms.

option

sha2-512

Option	Description
sha1	SHA1.
sha2-256	SHA2-256.
sha2-384	SHA2-384.
sha2-512	SHA2-512.

rsa-signature-format

Digital Signature Authentication RSA signature format.

option

pkcs1

Option	Description
pkcs1	RSASSA PKCS#1 v1.5.
pss	RSASSA Probabilistic Signature Scheme (PSS).

rsa-signature-hash-override

Enable/disable IKEv2 RSA signature hash algorithm override.

option

disable

Option	Description
enable	Enable IKEv2 RSA signature hash algorithm override.
disable	Disable IKEv2 RSA signature hash algorithm override.

enforce-unique-id

Enable/disable peer ID uniqueness check.

option

disable

Option	Description
disable	Disable peer ID uniqueness enforcement.
keep-new	Enforce peer ID uniqueness, keep new connection if collision found.
keep-old	Enforce peer ID uniqueness, keep old connection if collision found.

cert-id-validation

Enable/disable cross validation of peer ID and the identity in the peer's certificate as specified in RFC 4945.

option

enable

Option	Description
enable	Enable cross validation of peer ID and the identity in the peer's certificate as specified in RFC 4945.
disable	Disable cross validation of peer ID and the identity in the peer's certificate as specified in RFC 4945.

network-overlay

Enable/disable network overlays.

option

disable

Option	Description
disable	Disable network overlays.
enable	Enable network overlays.

network-id

VPN gateway network ID.

integer

Minimum value: 0 Maximum value: 255

dev-id-notification

Enable/disable device ID notification.

option

disable

Option	Description
disable	Disable device ID notification.
enable	Enable device ID notification.

dev-id

Device ID carried by the device ID notification.

string

Maximum length: 63

loopback-asymroute

Enable/disable asymmetric routing for IKE traffic on loopback interface.

option

enable

Option	Description
enable	Allow ingress/egress IKE traffic to be routed over different interfaces.
disable	Ingress/egress IKE traffic must be routed over the same interface.

link-cost

VPN tunnel underlay link cost.

integer

Minimum value: 0 Maximum value: 255

exchange-fgt-device-id

Enable/disable device identifier exchange with peer FortiGate units for use of VPN monitor data by FortiManager.

option

disable

Option	Description
enable	Enable exchange of FortiProxy device identifier.
disable	Disable exchange of FortiProxy device identifier.

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CLI Reference

config vpn ipsec phase1-interface

config vpn ipsec phase1-interface

config vpn ipsec phase1-interface

config vpn ipsec phase1-interface

config vpn ipsec phase1-interface

config vpn ipsec phase1-interface