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Table of Contents

FortiGate-6000 Handbook

FortiGate-6000 v6.0.12 special features and limitations

This section describes special features and limitations for FortiGate-6000 v6.0.12.

FortiGate-6000 real servers maximum value

The FortiGate-6000 for FortiOS 6.0.12 maximum value for the number of real servers per virtual server is 1024. See the Maximum Values Table for more max values.

Remote console limitations

Some console input may not function as expected. For example, when remotely connecting to an FPC console using Telnet, when viewing the BIOS menu, pressing the H key to display BIOS menu help does not always work as expected.

Default management VDOM

By default the FortiGate-6000 configuration includes a management VDOM named mgmt-vdom. The ha1, ha2, mgmt1, mgmt2, and mgmt3 interfaces are in mgmt-vdom and all other interfaces are in the root VDOM. For the FortiGate-6000 system to operate normally, mgmt-vdom must always be the management VDOM. You also must not remove interfaces from this VDOM. You can change the IP addresses of the interfaces in mgmt-vdom, allow the required management services, and add routes as required for management traffic.

You have full control over the configurations of other FortiGate-6000 VDOMs.

Default Security Fabric configuration

Caution

The FortiGate-6000 uses the Fortinet Security Fabric for communication and synchronization between the management board and the FPCs and for normal GUI operation. By default, the Security Fabric is enabled and must remain enabled for normal operation.

Changing the default Security Fabric configuration could disrupt communication and affect system performance.

You can no longer change the status to disable.

Default Security Fabric configuration:

config system csf

set status enable

set configuration-sync local

set management-ip 0.0.0.0

set management-port 0

end

For the FortiGate-6000 to operate normally, you must not change the Security Fabric configuration.

Maximum number of LAGs and interfaces per LAG

FortiGate-6000 systems support up to 16 link aggregation groups (LAGs). This includes both normal link aggregation groups and redundant interfaces. A FortiGate-6000 LAG can include up to 20 interfaces.

Firewall

TCP or UDP sessions with NAT enabled that are expected to be idle for more than the distributed processing normal TCP timer (which is 3605 seconds) will timeout. If you encounter this problem you can use the following command to increase the TCP timer:

config system global

set dp-tcp-normal-timer <timer>

end

Enhanced MAC (EMAC) VLAN support

FortiOS 6.0.12 for FortiGate-6000 supports the media access control (MAC) virtual local area network (VLAN) feature. EMAC VLANs allow you to configure multiple virtual interfaces with different MAC addresses (and therefore different IP addresses) on a physical interface.

For more information about EMAC VLAN support, see Enhanced MAC VLANs.

Use the following command to configure an EMAC VLAN:

config system interface

edit <interface-name>

set type emac-vlan

set vlan-id <VLAN-ID>

set interface <physical-interface>

end

FortiLink support

The FortiGate-6000 has the following FortiLink support limitation:

  • FortiGate-6000 for FortiOS 6.0.12 does not support upgrading managed FortiSwitch firmware from the FortiOS Managed FortiSwitch GUI page. Instead you must use the FortiGate-6000 CLI or log into the managed FortiSwitch to upgrade managed FortiSwitch firmware.
  • You can use any FortiGate-6000 interface as the FortiLink. However, using the HA and management interfaces is not recommended.

IP Multicast

IPv4 and IPv6 Multicast traffic is only sent to the primary FPC. This is controlled by the following configuration:

config load-balance flow-rule

edit 15

set status enable

set vlan 0

set ether-type ipv4

set src-addr-ipv4 0.0.0.0 0.0.0.0

set dst-addr-ipv4 224.0.0.0 240.0.0.0

set protocol any

set action forward

set forward-slot master

set priority 5

set comment "ipv4 multicast"

next

edit 16

set status enable

set vlan 0

set ether-type ipv6

set src-addr-ipv6 ::/0

set dst-addr-ipv6 ff00::/8

set protocol any

set action forward

set forward-slot master

set priority 5

set comment "ipv6 multicast"

end

High Availability

Only the HA1 and HA2 interfaces are used for the HA heartbeat communication. For information on how to set up HA heartbeat communication using the HA1 and HA2 interfaces, see Connect the HA1 and HA2 interfaces for HA heartbeat communication.

The following FortiOS HA features are not supported or are supported differently by FortiGate-6000 6.0.12:

  • Active-active HA is not supported.
  • The range for the HA group-id is 0 to 31.
  • Failover logic for FortiGate-6000 v6.0.12 HA is the same as FGCP for other FortiGate clusters.
  • HA heartbeat configuration is specific to FortiGate-6000 systems and differs from standard HA.
  • FortiGate-6000 HA does not support the route-wait and route-hold options for tuning route synchronization between FortiGate-6000s.
  • VLAN monitoring using the config system ha-monitor command is not supported.

FortiOS features that are not supported by FortiGate-6000 6.0.12

The following mainstream FortiOS 6.0.12 features are not supported by the FortiGate-6000 6.0.12:

  • HA dedicated management interfaces
  • Hardware switch
  • WiFi controller
  • IPv4 over IPv6, IPv6 over IPv4, IPv6 over IPv6 features
  • De-authorizing users from the GUI is not fully supported and de-authorizing a user may not be fully synchronized to all FPCs or to both FortiGate-6000s in an HA configuration.
  • GRE tunneling is only supported after creating a load balance flow rule, for example:

config load-balance flow-rule

edit 0

set status enable

set vlan 0

set ether-type ip

set protocol gre

set action forward

set forward-slot master

set priority 3

end

  • Only the FortiGate-6301F and the FortiGate-6501F support hard disk features such as disk logging, and GUI-based packet sniffing.
  • The FortiGate-6000 platform, including the FortiGate-6301F and the FortiGate-6501F does not support quarantining files to the internal hard disks. Instead you must set the quarantine function to quarantine files to FortiAnalyzer.
  • The management interfaces (mgmt1-3) do not support device detection for the networks they are connected to.
  • The FortiGate-6000 does not support configuring dedicated management interfaces using the config system dedicated-mgmt command or by enabling the dedicated-to management interface option. The purpose of the dedicated management interface feature is to add a routing table just for management connections. This functionality is supported by the FortiGate-6000 management VDOM (mgmt-vdom) that has its own routing table and contains all of the FortiGate-6000 management interfaces.
  • Enabling the system settings option tcp-session-without-syn and configuring a firewall policy to accept sessions without syn packets allows FortiOS to add entries to its session table for sessions that do not include SYN packets. These sessions can only be load balanced by the DP processor if the dp-load-distribution-method is set to src-dst-ip-sport-dport (default) or src-dst-ip. If any other load distribution method is used, the sessions will be dropped. As well, the DP processor cannot load balance these sessions if they are accepted by a firewall policy with NAT enabled.

IPsec VPN tunnels terminated by the FortiGate-6000

For a list of IPsec VPN features not supported by FortiOS 6.0.12 FortiGate-6000 IPsec VPN, see FortiGate-6000 IPsec VPN.

SSL VPN

Sending all SSL VPN sessions to the primary (master) FPC is recommended. You can do this by:

  • Creating a flow rule that sends all sessions that use the SSL VPN destination port and IP address to the primary FPC.
  • Creating flow rules that send all sessions that use the SSL VPN IP pool addresses to the primary FPC.

For more information about FortiGate-6000 SSL VPN support, see SSL VPN load balancing.

Traffic shaping

You can only configure traffic shaping from the CLI. Each FPC applies traffic shaping quotas independently. Traffic is first load balanced to the FPCs and then traffic shaping is applied by the FPC to the traffic load balanced to it.This may result in traffic shaping allowing more traffic than expected.

DDoS quotas

Each FPC applies DDoS quotas independently. Traffic is first load balanced to the FPCs and then DDoS quotas are applied by the FPC to the traffic load balanced to it. This may result in DDoS quotas being less effective than expected.

FortiGuard web filtering and spam filtering queries

The FortiGate-6000 sends all FortiGuard web filtering and spam filtering rating queries through a management interface from the management VDOM.

Web filtering quotas

On a VDOM operating with the Inspection Mode set to Proxy, you can go to Security Profiles > Web Filter and set up Category Usage Quotas. Each FPC has its own quota, and the FortiGate-6000 applies quotas per FPC and not per the entire FortiGate-6000 system. This could result in quotas being exceeded if sessions for the same user are processed by different FPCs.

Log messages include a slot field

An additional "slot" field has been added to log messages to identify the FPC that generated the log.

Special notice for new deployment connectivity testing

Only the management board can successfully ping external IP addresses. During a new deployment, while performing connectivity testing from the Fortigate-6000, make sure to run execute ping tests from the management board and not from an FPC. See Using data interfaces for management traffic for information about changes to this limitation.

Display the process name associated with a process ID

You can use the following command to display the process name associated with a process ID (PID):

diagnose sys process nameof <pid>

Where <pid> is the process ID.

FortiGate-6000 v6.0.12 special features and limitations

This section describes special features and limitations for FortiGate-6000 v6.0.12.

FortiGate-6000 real servers maximum value

The FortiGate-6000 for FortiOS 6.0.12 maximum value for the number of real servers per virtual server is 1024. See the Maximum Values Table for more max values.

Remote console limitations

Some console input may not function as expected. For example, when remotely connecting to an FPC console using Telnet, when viewing the BIOS menu, pressing the H key to display BIOS menu help does not always work as expected.

Default management VDOM

By default the FortiGate-6000 configuration includes a management VDOM named mgmt-vdom. The ha1, ha2, mgmt1, mgmt2, and mgmt3 interfaces are in mgmt-vdom and all other interfaces are in the root VDOM. For the FortiGate-6000 system to operate normally, mgmt-vdom must always be the management VDOM. You also must not remove interfaces from this VDOM. You can change the IP addresses of the interfaces in mgmt-vdom, allow the required management services, and add routes as required for management traffic.

You have full control over the configurations of other FortiGate-6000 VDOMs.

Default Security Fabric configuration

Caution

The FortiGate-6000 uses the Fortinet Security Fabric for communication and synchronization between the management board and the FPCs and for normal GUI operation. By default, the Security Fabric is enabled and must remain enabled for normal operation.

Changing the default Security Fabric configuration could disrupt communication and affect system performance.

You can no longer change the status to disable.

Default Security Fabric configuration:

config system csf

set status enable

set configuration-sync local

set management-ip 0.0.0.0

set management-port 0

end

For the FortiGate-6000 to operate normally, you must not change the Security Fabric configuration.

Maximum number of LAGs and interfaces per LAG

FortiGate-6000 systems support up to 16 link aggregation groups (LAGs). This includes both normal link aggregation groups and redundant interfaces. A FortiGate-6000 LAG can include up to 20 interfaces.

Firewall

TCP or UDP sessions with NAT enabled that are expected to be idle for more than the distributed processing normal TCP timer (which is 3605 seconds) will timeout. If you encounter this problem you can use the following command to increase the TCP timer:

config system global

set dp-tcp-normal-timer <timer>

end

Enhanced MAC (EMAC) VLAN support

FortiOS 6.0.12 for FortiGate-6000 supports the media access control (MAC) virtual local area network (VLAN) feature. EMAC VLANs allow you to configure multiple virtual interfaces with different MAC addresses (and therefore different IP addresses) on a physical interface.

For more information about EMAC VLAN support, see Enhanced MAC VLANs.

Use the following command to configure an EMAC VLAN:

config system interface

edit <interface-name>

set type emac-vlan

set vlan-id <VLAN-ID>

set interface <physical-interface>

end

FortiLink support

The FortiGate-6000 has the following FortiLink support limitation:

  • FortiGate-6000 for FortiOS 6.0.12 does not support upgrading managed FortiSwitch firmware from the FortiOS Managed FortiSwitch GUI page. Instead you must use the FortiGate-6000 CLI or log into the managed FortiSwitch to upgrade managed FortiSwitch firmware.
  • You can use any FortiGate-6000 interface as the FortiLink. However, using the HA and management interfaces is not recommended.

IP Multicast

IPv4 and IPv6 Multicast traffic is only sent to the primary FPC. This is controlled by the following configuration:

config load-balance flow-rule

edit 15

set status enable

set vlan 0

set ether-type ipv4

set src-addr-ipv4 0.0.0.0 0.0.0.0

set dst-addr-ipv4 224.0.0.0 240.0.0.0

set protocol any

set action forward

set forward-slot master

set priority 5

set comment "ipv4 multicast"

next

edit 16

set status enable

set vlan 0

set ether-type ipv6

set src-addr-ipv6 ::/0

set dst-addr-ipv6 ff00::/8

set protocol any

set action forward

set forward-slot master

set priority 5

set comment "ipv6 multicast"

end

High Availability

Only the HA1 and HA2 interfaces are used for the HA heartbeat communication. For information on how to set up HA heartbeat communication using the HA1 and HA2 interfaces, see Connect the HA1 and HA2 interfaces for HA heartbeat communication.

The following FortiOS HA features are not supported or are supported differently by FortiGate-6000 6.0.12:

  • Active-active HA is not supported.
  • The range for the HA group-id is 0 to 31.
  • Failover logic for FortiGate-6000 v6.0.12 HA is the same as FGCP for other FortiGate clusters.
  • HA heartbeat configuration is specific to FortiGate-6000 systems and differs from standard HA.
  • FortiGate-6000 HA does not support the route-wait and route-hold options for tuning route synchronization between FortiGate-6000s.
  • VLAN monitoring using the config system ha-monitor command is not supported.

FortiOS features that are not supported by FortiGate-6000 6.0.12

The following mainstream FortiOS 6.0.12 features are not supported by the FortiGate-6000 6.0.12:

  • HA dedicated management interfaces
  • Hardware switch
  • WiFi controller
  • IPv4 over IPv6, IPv6 over IPv4, IPv6 over IPv6 features
  • De-authorizing users from the GUI is not fully supported and de-authorizing a user may not be fully synchronized to all FPCs or to both FortiGate-6000s in an HA configuration.
  • GRE tunneling is only supported after creating a load balance flow rule, for example:

config load-balance flow-rule

edit 0

set status enable

set vlan 0

set ether-type ip

set protocol gre

set action forward

set forward-slot master

set priority 3

end

  • Only the FortiGate-6301F and the FortiGate-6501F support hard disk features such as disk logging, and GUI-based packet sniffing.
  • The FortiGate-6000 platform, including the FortiGate-6301F and the FortiGate-6501F does not support quarantining files to the internal hard disks. Instead you must set the quarantine function to quarantine files to FortiAnalyzer.
  • The management interfaces (mgmt1-3) do not support device detection for the networks they are connected to.
  • The FortiGate-6000 does not support configuring dedicated management interfaces using the config system dedicated-mgmt command or by enabling the dedicated-to management interface option. The purpose of the dedicated management interface feature is to add a routing table just for management connections. This functionality is supported by the FortiGate-6000 management VDOM (mgmt-vdom) that has its own routing table and contains all of the FortiGate-6000 management interfaces.
  • Enabling the system settings option tcp-session-without-syn and configuring a firewall policy to accept sessions without syn packets allows FortiOS to add entries to its session table for sessions that do not include SYN packets. These sessions can only be load balanced by the DP processor if the dp-load-distribution-method is set to src-dst-ip-sport-dport (default) or src-dst-ip. If any other load distribution method is used, the sessions will be dropped. As well, the DP processor cannot load balance these sessions if they are accepted by a firewall policy with NAT enabled.

IPsec VPN tunnels terminated by the FortiGate-6000

For a list of IPsec VPN features not supported by FortiOS 6.0.12 FortiGate-6000 IPsec VPN, see FortiGate-6000 IPsec VPN.

SSL VPN

Sending all SSL VPN sessions to the primary (master) FPC is recommended. You can do this by:

  • Creating a flow rule that sends all sessions that use the SSL VPN destination port and IP address to the primary FPC.
  • Creating flow rules that send all sessions that use the SSL VPN IP pool addresses to the primary FPC.

For more information about FortiGate-6000 SSL VPN support, see SSL VPN load balancing.

Traffic shaping

You can only configure traffic shaping from the CLI. Each FPC applies traffic shaping quotas independently. Traffic is first load balanced to the FPCs and then traffic shaping is applied by the FPC to the traffic load balanced to it.This may result in traffic shaping allowing more traffic than expected.

DDoS quotas

Each FPC applies DDoS quotas independently. Traffic is first load balanced to the FPCs and then DDoS quotas are applied by the FPC to the traffic load balanced to it. This may result in DDoS quotas being less effective than expected.

FortiGuard web filtering and spam filtering queries

The FortiGate-6000 sends all FortiGuard web filtering and spam filtering rating queries through a management interface from the management VDOM.

Web filtering quotas

On a VDOM operating with the Inspection Mode set to Proxy, you can go to Security Profiles > Web Filter and set up Category Usage Quotas. Each FPC has its own quota, and the FortiGate-6000 applies quotas per FPC and not per the entire FortiGate-6000 system. This could result in quotas being exceeded if sessions for the same user are processed by different FPCs.

Log messages include a slot field

An additional "slot" field has been added to log messages to identify the FPC that generated the log.

Special notice for new deployment connectivity testing

Only the management board can successfully ping external IP addresses. During a new deployment, while performing connectivity testing from the Fortigate-6000, make sure to run execute ping tests from the management board and not from an FPC. See Using data interfaces for management traffic for information about changes to this limitation.

Display the process name associated with a process ID

You can use the following command to display the process name associated with a process ID (PID):

diagnose sys process nameof <pid>

Where <pid> is the process ID.