Overview
UniFi Switch 7.4.1 includes the bugfixes below. It is currently not available for the models listed below:
Improvements
All Models
- Improved CPU usage when collecting port data for each MAC address.
Pro (24/48, Aggregation), Enterprise (24/48-PoE, XG-24)
- Improved RADIUS Accounting compatibility.
- Improved IGMP Leave handling when Fast Leave is not enabled.
- Added the ability to automatically restore port connectivity when a port fails to handle link-up/down events correctly.
Pro-Max, Pro (8-PoE, XG-8/10-PoE, HD-24)
- Improved IPTV stream stability when IGMP Snooping is enabled.
- Improved device connectivity when forwarding multicast traffic with IGMP Snooping enabled.
US-16-XG
- Improved SFP+ link compatibility.
ECS-24/48, Pro-XG (24/48, Aggregation), Enterprise-8, Flex-XG
- Improved QoS resiliency.
- Improved RADIUS Accounting compatibility.
USW-Pro-XG-48-PoE
- Improved connectivity with UACC-CM-RJ45-MG.
Bugfixes
STP & Stability
All Models
- Fixed false STP blocked anomalies when a port links up or when STP is disabled on a port.
Pro-Max, Pro (8-PoE, XG-8/10-PoE, HD-24)
- Fixed connectivity loss on QoS-configured ports when modifying other ports.
- Fixed management access loss after changing the Management VLAN.
- Fixed intermittent loss of management DHCP IP after reboot.
- Fixed management access loss under high PTP traffic.
- Fixed the missing default route after creating or removing a L3 network.
Pro-Max, Pro (8-PoE, XG-8/10-PoE, HD-24), USW-16/24/48, Lite-8/16-PoE, Aggregation
- Fixed connectivity loss after changing the Native VLAN.
- Fixed VLAN leakage on 802.1X-authenticated ports when RADIUS-assigned VLAN is enabled.
- Fixed VLAN configuration changes causing link flapping and STP state transitions.
- Fixed VLAN leakage during device boot.
Pro (24/48, Aggregation), Enterprise (24/48-PoE, XG-24)
- Fixed unstable link behavior when using the UACC-CM-RJ45-1G SFP module.
- Fixed ports continuing to forward traffic during switch reboot.
ECS-24/48, Pro-XG (24/48, Aggregation)
- Fixed an issue where mDNS traffic was not forwarded after rebooting the device with STP disabled.
- Fixed device going offline after deleting L3 network settings.
- Fixed Virtual Network Override causing SFP port link flapping and frequent STP topology changes.
- Fixed incorrect RSTP forwarding delay, causing prolonged STP blocking during port flapping.
- Fixed incorrect uplink state when configuring port mirroring on uplink LAG ports.
- Fixed STP status temporarily changing to Blocking when receiving STP Topology Change Notifications.
- Fixed LAG member ports not linking up properly.
- Fixed Storm Control settings being removed when modifying other port settings.
- Fixed SFP link loss after device boot.
- Fixed an issue where the device went offline when deleting L3 network settings.
- Fixed an issue where the device could go offline in rare cases.
IGMP & Multicast
Pro-Max, Pro (8-PoE, XG-8/10-PoE, HD-24), USW-16/24/48, Lite-8/16-PoE, Aggregation
- Fixed missing Router Alert field in IGMP General Query messages.
- Fixed PTP synchronization issues when IGMP Snooping is disabled.
- Fixed part of multicast streams not flooding after boot.
Pro (24/48, Aggregation), Enterprise (24/48-PoE, XG-24)
- Fixed Querier state transition when receiving a General Query from a Querier with a higher IP.
- Fixed IGMP Report leaks on ports that are configured with Pro AV.
- Fixed incorrectly set IGMP Querier Addresses when using IGMP Snooping on L3 Switch VLANs.
- Fixed L3 routing not functioning when Multicast Router Port is enabled.
Others
Pro-Max, Pro (8-PoE, XG-8/10-PoE, HD-24), USW-16/24/48, Lite-8/16-PoE, Aggregation
- Fixed an issue where 802.1X MAC-based EAP-TLS authentication did not work correctly.
- Fixed an issue where 802.1X MAC-Based authentication did not work when Rogue DHCP Server Detection was disabled.
Pro (24/48, Aggregation), Enterprise (24/48-PoE, XG-24)
- Fixed Unauthorized MAC Detected anomalies not clearing after the port stops receiving unauthorized MAC addresses.
- Fixed ports reporting incorrect Loop Protection Triggered anomalies after re-enabling the port.
- Fixed incorrect unicast storm detection port anomaly reporting.
ECS-24/48, Pro-XG (24/48, Aggregation), Enterprise-8, Flex-XG
- Fixed an issue where QoS did not work correctly on LAG interfaces after device boot.
- Fixed learning of duplicate MAC entries on different ports.
- Fixed an issue where certain SFP module information was missing.
EnterpriseXG-24
- Fixed Flow Control not working correctly.
Enterprise-8-PoE
- Fixed an issue where the Voice VLAN was not correctly assigned.
US-8
- Fixed an issue where the SNMP Community name setting failed to apply.
Additional information
- Touchscreen and Etherlighting may take several minutes to become operational after the firmware update.
If you encounter any issues with this release, please provide us with some details on your setup and include the following information:
- Switch model(s)
- Previous Switch release version
- UniFi Network application version