New sections:

• Allowing offloaded IPsec packets that exceed the interface MTU.

• diagnose sys session list no_ofld_reason field

Previous versions of this document incorrectly stated that NP6 processors support offloading DoS policy sessions. This has been corrected throughout the document as required.

Changes to the HPE section of Configuring individual NP6 processors.

Correction to Disabling NP offloading for firewall policies and Disabling nTurbo for firewall policies.

Moved information about improving CPS performance to sections describing the following FortiGate models that support this feature:

• FortiGate 1200D fast path architecture.

• FortiGate 1500D fast path architecture.

• FortiGate 1500DT fast path architecture.

Corrections to FortiGate 80F, 81F, and 80F Bypass fast path architecture.

Correction to Disabling NP offloading for firewall policies.

New section Disabling nTurbo for firewall policies.

Removed the incorrect section "Disabling CP offloading for firewall policies".

Added more information about the NP6XLite processor to Network processors (NP6, NP6XLite, NP6Lite, and NP4) and NP6XLite processors.

More information added to NP6 session drift.

New section: NP acceleration, virtual clustering, and VLAN MAC addresses. Fixes to NP6 session drift. Removed the information about CP9 support for a true random number generator and entropy source from CP9 capabilities.

Updated NTurbo offloads flow-based processing to clarify that NTurbo also applies to IPsec VPN sessions.

Corrected errors in the section FortiGate 100F and 101F fast path architecture.

Corrected integrated switch fabric information in the following sections:

• FortiGate 300E and 301E fast path architecture.

• FortiGate 400E and 401E fast path architecture.

• FortiGate 500E and 501E fast path architecture.

• FortiGate 600E and 601E fast path architecture.

Added more information about bypass mode to:

• FortiGate 800D fast path architecture.

• FortiGate 2500E fast path architecture.

• FortiGate 80F, 81F, and 80F Bypass fast path architecture.

Improved the information in Supporting IPsec anti-replay protection.

New section: FPM-7630E fast path architecture.

Corrected the output of the get hardware npu np6 port-list command in FortiGate 3600E and 3601E fast path architecture.

Corrected the get hardware npu np6 port-list command output in FortiGate 1100E and 1101E fast path architecture.

Updated the architecture sections for most E and F models to include more information about management/HA and data processing separation. For example, see the following:

• FortiGate 400E and 401E fast path architecture.

• FortiGate 1100E and 1101E fast path architecture.

• FortiGate 3300E and 3301E fast path architecture

• FortiGate 200F and 201F fast path architecture.

• FortiGate 200E and 201E fast path architecture.

New section: FortiGate 200F and 201F fast path architecture.

New section: FortiGate 80F, 81F, and 80F Bypass fast path architecture. More information about NetFlow support added to sFlow and NetFlow and hardware acceleration. Corrected the get hardware npu np6 port-list command output in FortiGate 1100E and 1101E fast path architecture.

New sections:

• FortiGate-6000 series.

• FortiGate-7030E fast path architecture.

• FortiGate-7040E fast path architecture.

• FortiGate-7060E fast path architecture.

• FPM-7620E fast path architecture.

• FIM-7901E fast path architecture.

• FIM-7904E fast path architecture.

• FIM-7910E fast path architecture.

• FIM-7920E fast path architecture.

More information and corrections about SOC4 (NP6XLite and CP9XLite) and SOC3 (NP6Lite and CP9Lite).

• Network processors (NP6, NP6XLite, NP6Lite, and NP4).

• NP6XLite processors.

• NP6Lite processors.

• Content processors (CP9, CP9XLite, CP9Lite).

• FortiGate 60F and 61F fast path architecture.

• FortiGate 100F and 101F fast path architecture.

• FortiGate 100E and 101E fast path architecture.

• FortiGate 200E and 201E fast path architecture.

Added bypass interface information to FortiGate 800D fast path architecture. Minor improvements to the bypass interface information in FortiGate 2500E fast path architecture. Other misc. changes and fixes.

Improved information about how for many more recent NP6 fast path architectures the HA interfaces are not connected to the NP6 processors. Information about bypass mode added to FortiGate 2500E fast path architecture. Corrected the output of the diagnose npu np6 port-list command in FortiGate 3960E fast path architecture.

Hardware architectures changed:

• FortiGate 500E and 501E fast path architecture.
• FortiGate 600E and 601E fast path architecture.

New section: FortiGate 100E and 101E fast path architecture.

Added a note about NP6 processors and traffic shaping counters to NP6 processors and traffic shaping.

Information about setting interface speeds added to FortiGate 3400E and 3401E fast path architecture and FortiGate 3600E and 3601E fast path architecture.

Added NP6XLite content.

Fixes and improvements to IPv4 interface-based traffic shaping.

Corrected the get hardware npu np6 port-list output in FortiGate 3400E and 3401E fast path architecture.

Added information about interface groups for the following models:

• FortiGate 1100E and 1101E fast path architecture.
• FortiGate 2200E and 2201E fast path architecture.
• FortiGate 3400E and 3401E fast path architecture.
• FortiGate 3600E and 3601E fast path architecture.
• FortiGate-6000 series.

Added a note about ESP in UDP sessions (UDP port 4500) not been offloaded by NP6 processors to NP6 session fast path requirements.

Corrections to Dedicated management CPU.

Changes to Disabling NP6, NP6XLite, and NP6Lite hardware acceleration (fastpath).

New sections:

• FortiGate 1100E and 1101E fast path architecture.
• FortiGate 2200E and 2201E fast path architecture.
• FortiGate 3300E and 3301E fast path architecture.

Improvements to the information about the HPE in Configuring individual NP6 processors.

New sections:

• The HPE and changing BGP, SLBC, and BFD priority.
• Eliminating dropped packets on LAG interfaces.