Known issues

Known issues

The following known issues have been identified with FortiSwitchOS 7.2.6. For inquiries about a particular bug or to report a bug, please contact Fortinet Customer Service & Support.

Bug ID	Description
382518, 417024, 417073, 417099, 438441	DHCP snooping and dynamic ARP inspection (DAI) do not work with private VLANs (PVLANs).
414972	IGMP snooping might not work correctly when used with 802.1x Dynamic VLAN functionality.
480605	When DHCP snooping is enabled on the FSR-112D-POE, the switched virtual interface (SVI) cannot get the IP address from the DHCP server. Workarounds: —Use a static IP address in the SVI when DHCP snooping is enabled on that VLAN. —Temporarily disable dhcp-snooping on vlan, issue the `execute interface dhcpclient-renew <interface>` command to renew the IP address. After the SVI gets the IP address from the DHCP server, you can enable DHCP snooping.
510943	The time-domain reflectometer (TDR) function (cable diagnostics feature) reports unexpected values. Workaround: When using the cable diagnostics feature on a port (with the `diagnose switch physical-ports cable-diag <physical port name>` CLI command), ensure that the physical link on its neighbor port is down. You can disable the neighbor ports or physically remove the cables.
542031	For the 5xx switches, the `diagnose switch physical-ports led-flash` command flashes only the SFP port LEDs, instead of all the port LEDs.
548783	Some models support setting the mirror destination to “internal.” This is intended only for debugging purposes and might prevent critical protocols from operating on ports being used as mirror sources.
572052	Backup files from FortiSwitchOS 3.x that have 16-character-long passwords fail when restored on FortiSwitchOS 6.x. In FortiSwitchOS 6.x, file backups fail with passwords longer than 15 characters. Workaround: Use passwords with a maximum of 15 characters for FortiSwitchOS 3.x and 6.x.
585550	When packet sampling is enabled on an interface, packets that should be dropped by uRPF will be forwarded.
606044/610149	The results are inaccurate when running cable diagnostics on the FS-108E, FS-124E, FS-108E-POE, FS-108E-FPOE, FS-124E-POE, FS-124E-FPOE, FS-148E, and FS-148E-POE models.
609375	The FortiSwitchOS supports four priority levels (critical, high, medium, and low); however, The SNMP Power Ethernet MIB only supports three levels. To support the MIB, a power priority of medium is returned as low for the PoE MIB.
659487	The FS-108E, FS-108E-POE, FS-108E-FPOE, FS-108F, FS-108F-POE, FS-108F-FPOE, FS-124E, FS-124E-POE, FS-124E-FPOE, FS-124F, FS-124F-POE, and FS-124F-FPOE, FS-148E, and FS-148E-POE models support ACL packet counters but not byte counters. The `get switch acl counters` commands always show the number of bytes as 0.
667079	For the FSR-112D-POE model: If you have enabled IGMP snooping or MLD snooping, the FortiSwitch unit does not support IPv6 features and cannot pass IPv6 protocol packets transparently. If you want to use IGMP snooping or MLD snooping with IPv6 features, you need to enable `set flood-unknown-multicast` under the `config switch global` command.
784585	When a dynamic LACP trunk has formed between switches in an MRP ring, the MRP ring cannot be closed. Deleting the dynamic LACP trunk does not fix this issue. MRP supports only physical ports and static trunks; MRP does not support dynamic LACP trunks. Workaround: Disable MRP and then re-enable MRP.
793145	VXLAN does not work with the following: log-mac-event DHCP snooping LLDP-assigned VLANs NAC Block intra-VLAN traffic
828603	The `oids.html` file is not accurate.
829807	eBGP does not advertise routes to its peer by default unless the `set ebgp-requires-policy disable` command is explicitly configured or inbound/outbound policies are configured.
867108	Depending on your browser type/version, web UI access might fail when using TLS 1.3 and client certificate authentication. Workaround: Use TLS 1.2.
925173	You cannot import a PKCS12-formatted file if it does not have a password. Workaround: Extract the certificate and key from the `.p12` file and then use the GUI to import the certificate and key.
940586, 958210	For the FS-148F, FS-148F-POE, and FS-148F-FPOE models, there might be packet loss after the packet sampler or packet capture is enabled.
974147	The `auto-module` speed does not work on the FSR-424F-POE model for FN-TRAN-SFP2-LX. Workaround: Set the speed to `1000auto` or `1000full` to bring up the link.
984228	After upgrading to FortiSwitchOS 7.4.2, 7.4.1, 7.2.6, 7.2.5, or 7.0.7 , the management interface cannot be reached by ping or HTTPS. Workaround: Use the `config system interface` command to find the MAC address of the management port and then add 2 to the first byte of the MAC address. For example, if the MAC address is `ac:71:2e:`..., then change the MAC address to `ae:71:2e:`....
987504	High CPU usage occurs on the FS-1xx series when the IGMP querier is enabled and IGMP snooping is disabled. Workaround: Disable the IGMP querier when IGMP snooping is not being used.

Known issues

The following known issues have been identified with FortiSwitchOS 7.2.6. For inquiries about a particular bug or to report a bug, please contact Fortinet Customer Service & Support.

Bug ID

Description

382518, 417024, 417073, 417099, 438441

DHCP snooping and dynamic ARP inspection (DAI) do not work with private VLANs (PVLANs).

414972

IGMP snooping might not work correctly when used with 802.1x Dynamic VLAN functionality.

480605

When DHCP snooping is enabled on the FSR-112D-POE, the switched virtual interface (SVI) cannot get the IP address from the DHCP server.

Workarounds:
—Use a static IP address in the SVI when DHCP snooping is enabled on that VLAN.
—Temporarily disable dhcp-snooping on vlan, issue the execute interface dhcpclient-renew <interface> command to renew the IP address. After the SVI gets the IP address from the DHCP server, you can enable DHCP snooping.

510943

The time-domain reflectometer (TDR) function (cable diagnostics feature) reports unexpected values.

Workaround: When using the cable diagnostics feature on a port (with the diagnose switch physical-ports cable-diag <physical port name> CLI command), ensure that the physical link on its neighbor port is down. You can disable the neighbor ports or physically remove the cables.

542031

For the 5xx switches, the diagnose switch physical-ports led-flash command flashes only the SFP port LEDs, instead of all the port LEDs.

548783

Some models support setting the mirror destination to “internal.” This is intended only for debugging purposes and might prevent critical protocols from operating on ports being used as mirror sources.

572052

Backup files from FortiSwitchOS 3.x that have 16-character-long passwords fail when restored on FortiSwitchOS 6.x. In FortiSwitchOS 6.x, file backups fail with passwords longer than 15 characters.

Workaround: Use passwords with a maximum of 15 characters for FortiSwitchOS 3.x and 6.x.

585550

When packet sampling is enabled on an interface, packets that should be dropped by uRPF will be forwarded.

606044/610149

The results are inaccurate when running cable diagnostics on the FS-108E, FS-124E, FS-108E-POE, FS-108E-FPOE, FS-124E-POE, FS-124E-FPOE, FS-148E, and FS-148E-POE models.

609375

The FortiSwitchOS supports four priority levels (critical, high, medium, and low); however, The SNMP Power Ethernet MIB only supports three levels. To support the MIB, a power priority of medium is returned as low for the PoE MIB.

659487

The FS-108E, FS-108E-POE, FS-108E-FPOE, FS-108F, FS-108F-POE, FS-108F-FPOE, FS-124E, FS-124E-POE, FS-124E-FPOE, FS-124F, FS-124F-POE, and FS-124F-FPOE, FS-148E, and FS-148E-POE models support ACL packet counters but not byte counters. The get switch acl counters commands always show the number of bytes as 0.

667079

For the FSR-112D-POE model:

If you have enabled IGMP snooping or MLD snooping, the FortiSwitch unit does not support IPv6 features and cannot pass IPv6 protocol packets transparently.
If you want to use IGMP snooping or MLD snooping with IPv6 features, you need to enable set flood-unknown-multicast under the config switch global command.

784585

When a dynamic LACP trunk has formed between switches in an MRP ring, the MRP ring cannot be closed. Deleting the dynamic LACP trunk does not fix this issue. MRP supports only physical ports and static trunks; MRP does not support dynamic LACP trunks.

Workaround: Disable MRP and then re-enable MRP.

793145

VXLAN does not work with the following:

log-mac-event
DHCP snooping
LLDP-assigned VLANs
NAC
Block intra-VLAN traffic

828603

The oids.html file is not accurate.

829807

eBGP does not advertise routes to its peer by default unless the set ebgp-requires-policy disable command is explicitly configured or inbound/outbound policies are configured.

867108

Depending on your browser type/version, web UI access might fail when using TLS 1.3 and client certificate authentication.

Workaround: Use TLS 1.2.

925173

You cannot import a PKCS12-formatted file if it does not have a password.

Workaround: Extract the certificate and key from the .p12 file and then use the GUI to import the certificate and key.

940586, 958210

For the FS-148F, FS-148F-POE, and FS-148F-FPOE models, there might be packet loss after the packet sampler or packet capture is enabled.

974147

The auto-module speed does not work on the FSR-424F-POE model for FN-TRAN-SFP2-LX.

Workaround: Set the speed to 1000auto or 1000full to bring up the link.

984228

After upgrading to FortiSwitchOS 7.4.2, 7.4.1, 7.2.6, 7.2.5, or 7.0.7 , the management interface cannot be reached by ping or HTTPS.

Workaround: Use the config system interface command to find the MAC address of the management port and then add 2 to the first byte of the MAC address. For example, if the MAC address is ac:71:2e:..., then change the MAC address to ae:71:2e:....

987504

High CPU usage occurs on the FS-1xx series when the IGMP querier is enabled and IGMP snooping is disabled.

Workaround: Disable the IGMP querier when IGMP snooping is not being used.

Release Notes

Known issues

Known issues