FortiGate
FortiGate Next Generation Firewall utilizes purpose-built security processors and threat intelligence security services from FortiGuard labs to deliver top-rated protection and high performance, including encrypted traffic.
ssahu_tac
Staff
Staff
Article Id 241722
Description

This article describes that ULL (Ultra Low Latency Slots) which are supported for 25GE /SFP28 interface can detect 25GB transceiver, but the interface setting does not show 25Gbps speed as an option.

Scope

NP7 Platform , 6.2.x and above

Solution

ULL interface marked to 10Gb by default, to enable 25 Gb speed an NPU level command is required.

 

For Devices with VDOMS, login as super_admin and modify the settings user:

# config system global

# config system npu

 

Before:

 

# config system npu

    set ull-port-mode 10G

end

 

ULL interface:

 

MID-FG601F-01 (x6) # set speed

10000full    10G full-duplex.

 

# dia npu np7 port-list

 

x1       10000           10000            n/a             0         6

x2       10000           10000            n/a             0         7

x3       10000           10000            n/a             0         4

x4       10000           10000            n/a             0         5

x5       10000           10000            n/a             n/a       n/a        n/a

x6       10000           10000            n/a             n/a       n/a        n/a

x7       10000           10000            n/a             n/a       n/a        n/a

x8       10000           10000            n/a             n/a       n/a        n/a

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

 

After:

 

# config system npu

    set ull-port-mode 25G

end

 

MID-FG601F-01 (x6) # set speed

25000full    25G full-duplex.

 

# dia npu np7 port-list

x1       10000           10000            n/a             0         6

x2       10000           10000            n/a             0         7

x3       10000           10000            n/a             0         4

x4       10000           10000            n/a             0         5

x5       25000          25000            n/a             n/a       n/a        n/a

x6       25000          25000            n/a             n/a       n/a        n/a

x7       25000          25000            n/a             n/a       n/a        n/a

x8       25000          25000            n/a             n/a       n/a        n/a

 

A reboot will automatically take effect. Choose to change interface speed.

 

NP7 ULL port mode speed change will take effect after the system reboot.

 

Do you want to continue? (y/n)y

 

To validate if an interface is supported or not, lookup the datasheet for the product.

In this instance, it is for a FortiGate-601F with ULL interfaces supported. Interfaces are X5- X9 where one could only set 10Gb speeds although interface supports 25Gb.

If there are issues where after setting 25GE on the interface and the interface still down, view the related article below and change FEC settings.

This is only supported on interfaces that support 25GE.

Related articles:
Technical Tip: 25 Gigabit Ethernet connection between FortiGate and Cisco Nexus
https://community.fortinet.com/t5/FortiGate/Technical-Tip-25-Gigabit-Ethernet-connection-between-For...

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