• Managed switch overview
• Get latest firmware now!
• Writing your own Linux applications

• None - maintenance release

• Improved CPU performance for Gigabit switches under heavy unidirectional load
• Allowed non-management VLANs to be given VLAN ID 1
• Text UI may list Secure Mode twice for VLAN mode configuration
• Under some circumstances switch may fail to get an address via DHCP
• CLI doesn't allow setting management VLAN ports
• Gigabit switches may default to having gigabit speeds disabled
• Port-based VLANs and management VLAN interaction issue

• None - maintenance release

• Improved handling of older checkpoint files
• Restoring factory defaults may be slow

• Full support for the SL-8MG-x switches.
• MAC table monitoring is now available in the web user interface.
• Improved VLAN configuration and validation in the web user interface.
• Independent VLAN learning is now available.

• Issue with applying changes under some circumstances in models with the ARM9 CPU.
• Some filenames were not accepted when uploading configuration checkpoints over http.
• On -MDM models only, the modem may not answer when DO is configured for CD.
• For some models, on the IGMP monitoring page, the IP addresses of other IGMP devices may be displayed in reverse order

• Support for USB as a serial device. Some new managed switches now have a USB console port in addition to the RS232.
• Supports new hardware including SL-8MS-8/9, SL-5MS-MDM, SL-5MS/8MS with ARM9 CPU, and 32MB CPUs.
• Modem switches no longer support independent setting of receive and transmit data compression; compression is ON or OFF.
• Longer guard time around +++ when trying to put modems in command state. Makes for more reliable dial out messaging.

• Port mirroring may fail in some 8MS switches.
• NAND memory can become corrupted on PPC-based switches under some circumstances.
• Passwords can’t have $ in certain positions.

• Same as v2.2

• Support for ET-9MS based on ARM9 CPU.
• Ability to have 100Mbps fiber on the SFP gigabit ports of 10MG and 18MG (contact SIXNET for support availability in the 9MG)
• Q in Q (double tagging) (gigabit models only at this time)
• Allow management VLAN ID and ports to be changed (gigabit models only at this time)
• Special IGMP feature – Ports can now be excluded from IGMP processing.

• Changed port path cost default to be consistent with IEEE standard requirement (all managed switches).
• Managed switch may not interoperate with MST switch in RSTP mode.
• Managed switch could fault at boot up if configured NTP server is not available.
• VLANS were being incorrectly deleted in managed switch web UI.
• Corrected sysObjectID for all managed switches.
• Non-default SNMP community strings may not work.
• Problem configuring managed switch host name in text UI.
• Port Security text UI page may cause a segmentation fault when trying to add MAC addresses.
• Web server log files could use up all space in the /tmp directory.
• Set IP Per Port configuration screens should not be displayed for MG switches.
• CLI expects the wrong range for IEEE VLAN tags.
• Memory alignment fixups should be enabled for unaligned memory accesses.

• Same as v2.2

• Add support for the ET-5MS-OEM-2-1 model

• If an NTP server is configured but unavailable when the switch is restarted, the switch may respond slowly.
• Problem deleting high-numbered VLANs in the table
• An @ in the switch contact information may interfer with saving and setting the network address or subnet mask.
• Port security shows up in the 5MS models (text UI only) when it is not supported by the 5MS.

Open source: (GPL and others)

• Same as v2.2

• None - maintenance release

• Set IP per Port Feature may assign an incorrect Subnet Mask to the DHCP client
  (Note: This feature is not currently supported by MG models.)
• Port security shows up in 5MS switches when it is not supported by 5MS switches
• Problem with PPP in 5MS-MDM switches
• Port LEDs may not act properly on a SL-5MS

Open source: (GPL and others)

• Same as v2.2

• Full support for the ET-10MG, ET-16MS and ET-18MG switches
• Faster boot time and web server operation
• Gigabit fiber ports can now be configured for auto-negotiate or fixed modes
• Network statistics page has a “change” column to indicate the change in the counter from the previous refresh of the screen
• VLAN interfaces are now consistently presented as “vlanid/port#”
• All options now configurable in CLI (Command Line Interface)
• NTP server, TFTP server, and Gateway can now be fully qualified domain names (FQDN) like “0.pool.ntp.org” (rather than an explicit IP address) if DNS is configured
• When changing the switch’s IP address via the web UI, you will now be redirected to the new address and not lose connectivity to the configuration session
• Redundancy status page now includes topology change counter
• MAC-based port security – ability to define what MAC addresses are allowed per port
  (Note: Not supported by 5MS models.)

• None

Open source: (GPL and others)

• Same as v2.2

• Full support for the new ET-5MS-MDM Ethernet Modem
• New configuration status page
• Added some additional OEM support
• Support for upcoming new "SL" switches (to be announced)

• MAC address assignment in 5-port managed switches may have been incorrect
• IP-Per-Port feature was not working properly under some circumstances

Open source: (GPL and others)

• Same as v2.2

• None - maintenance release - phase 3

• Web and text user interfaces may not respond when there is high broadcast traffic

Open source: (GPL and others)

• Same as v2.2

• None - maintenance release - phase 2

• 5MS: ATU could clog with unused multicast group entries, then flood multicast data
• Could lose connectivity with RSTP enabled and moderate broadcast traffic
• May have rejected maximum length packets that are tagged
• Disabled ports may not have been fully disabled
• The web UI required cookies enabled for use with Internet Explorer

Open source: (GPL and others)

• Same as v2.2

• None - maintenance release - phase 1

• 9MG only: Data may have been dropped after a long run at high bandwidth usage
• 9MG only: firmware updates may not have loaded properly

Open source: (GPL and others)

• Same as v2.2

• None - maintenance release

• Ports 8 and 9 on ET-9MG models only may have problems defining root switch for RSTP.

Open source: (GPL and others)

• Same as v2.2

• Full support for the new ET-5MS (5-port) managed switches.
• The RSTP was further improved and now offers typical recovery times of 30 mS per hop.
• Support for NTP (Network Time Protocol) as a client plus SNMP Etherstats have been synced to real time clock.
• Set Device IP gives you the ability to fix the IP address that is given to directly connected Ethernet devices on a port by port basis. Now you can easily swap or replace devices and the IP address will remain fixed.
• An inactivity timer will automatically close your management connections to secure your switch from unauthorized access.
• A new IGMP capability allows you to filter all multicast messages if there are no IGMP groups joined. The default is to flood all multicast messages if no groups are detected.
• For additional security, IP access can be disabled by setting the IP address to 0.0.0.0.
• Checkpoint files saved with older firmware can now be restored in the latest firmware.
• You can now fully configure QoS in the terminal interface in addition to the web interface.

• Auto-negotiated 1G ports must have a non-gigabit speed selected (MG only).
• Tag mapping configuration wasn't working in text UI (web UI was okay).
• SNMPWALK may report error after Qbridge MIB.
• Link up/down trap enable wasn't being restored from checkpoint.
• Problem in NET-SNMP prevented the disabling of authorization failure traps. The switches now have the newer NET-SNMP v5.2.2 which has this fixed.
• The RMON MIB was missing a couple parameters.
• Problem with updating firmware via web gui in 9MG only.
• ARM-based switch (only 5MS at this time) may have mishandled root path cost.
• Problem with saving and restoring some checkpoint configuration.
• The permissions on net-snmp were misconfigured which allowed you to set improper SNMP community strings in the text UI.
• Loading files from the Update Firmware screen of the web interface may have had problems with long filenames with spaces.
• Problem with when trying to delete the last SNMP manager IP address In hyper terminal.

Open source: (GPL and others)

• Same as v2.2

• Support for a new type of Flash memory found in newer IPm-based Ethernet switches. This release is also 100% compatible with all existing switches.

• None

Open source: (GPL and others)

• Same as v2.2

• Combined support for all managed switch models ET-9MS and ET-9MG

• With v2.8 only, fixed speed ports such as fiber ports (100 Mbps only; gigabit fiber ports not affected) may not link properly

Open source: (GPL and others)

• Same as v2.2

• Full support for Gigabit managed switches models ET-9MG-xx
• Advanced OEM capabilities now available

• RSTP may be affected when sending SNMP notifications
• Segmentation fault errors may be seen in text user interface after DHCP is enabled
• Web user interface may stop responding effectively after DHCP is enabled
• Port-based VLANs may not initialized properly under certain conditions

Open source: (GPL and others)

• Same as v2.2

• DHCP support improved

• DHCP may cause segmentation fault
• Port-based VLANs may not initialize correctly

Open source: (GPL and others)

• Same as v2.2

• RSTP update (IEEE 802.1D-2004) which includes additional choices for the Edge parameter and larger network diameter (40 switches vs. 8 in previous release)
• The default for scheduling in QoS has been changed from Fair to Strict to be compliant with Section 7.7.4 of IEEE 802.1D-2004
• A date is now displayed for when the checkpoint was last saved
• The web UI remembers the last page the user viewed with a browser cookie and resumes there the next time the switch is accessed

• Issue with installing large patch files

Open source: (GPL and others)

• Same as v2.2

• Port and tag-based VLANs based on IEEE 802.1Q
• SSH (Secure Shell) for secure and encrypted management

• None

Open source: (GPL and others)

• Same as v2.2

• None

• When IGMP is disabled, multicast messages may not be flooded to all ports
• Dynamic disable of IGMP doesn’t flush ATU

Open source: (GPL and others)

• U-Boot v1.1.0 modified
• Linux kernel v2.4.18 modified
• Busybox v0.60.3 modified
• NET-SNMP v5.1.1 from www.net-snmp.org
• Apache web server v1.3.29 from www.apache.org

• Multicast filtering (IGMP Snooping and Querying) (v1 and v2)
• Download and Upload of configuration or firmware files
• Changed Flow Control default to disabled

• SNMPwalk causes segmentation fault in RSTP
• Issue with leaving SNMP password blank
• Some SNMP responses are slow

Open source: (GPL and others)

• U-Boot modified 1.1.0
• Linux kernel: modified 2.4.18
• Busybox: modified 0.60.3
• NET-SNMP from www.net-snmp.org

• SNMP v3 encryption and authentication; application note also revised
• SNMP notifications (traps) for authentication failure, topology change and links
• Can disable SNMP completely
• Priority Queuing (i.e. Traffic Priority) – QoS, CoS, ToS/DiffServ
• Message rate filtering – broadcasts and multicasts storm protection
• All parameters obtained via DHCP are now displayed in the Sys. Info. page

• Fdb table reports wrong port for management MAC addresses
• Issue with MAC address for each port for RSTP
• RSTP issue when switch is queried by SNMP software

Open source: (GPL and others)

• U-Boot modified 1.1.0
• Linux kernel: modified 2.4.18
• Busybox: modified 0.60.3
• NET-SNMP from www.net-snmp.org

• First release which includes:
  • Rapid Spanning Tree Protocol (RSTP) with support for STP
  • SNMP v1 and v2
  • DHCP or fixed settings
  • Port configuration
  • Port mirroring
  • Basic (http) and secure (https) web interface
  • Telnet and terminal interface

• Not applicable (original release)