NOTE: The policy should permit SCTP traffic.Upgrade and Downgrade Instructions for Junos OS Release 10.3 for J-SRX Series ServicesGatewaysIn order to upgrade to Junos OS Release 10.3 or later, your device must be running JunosOS Release 10.1R2 or later.For additional upgrade and download information, see the Junos OS Administration Guidefor Security Devices and the Junos OS Migration Guide.Junos OS Release Notes for Dell PowerConnect J-EX Series Ethernet Switches• New Features in Junos OS Release 10.3 for J-EX Series Ethernet Switches on page 52• Changes in Default Behavior and Syntax in Junos OS Release 10.3 for J-EX SeriesEthernet Switches on page 54• Limitations in Junos OS Release 10.3 for J-EX Series Ethernet Switches on page 54• Outstanding Issues in Junos OS Release 10.3 for J-EX Series EthernetSwitches on page 57• Resolved Issues in Junos OS Release 10.3 for J-EX Series Ethernet Switches on page 60• Errata in Documentation for Junos OS Release 10.3 for J-EX Series EthernetSwitches on page 63New Features in Junos OS Release 10.3 for J-EX Series Ethernet SwitchesNew features in Release 10.3 of Junos OS for J-EX Series Ethernet switches are describedin this section.Not all J-EX Series software features are supported on all J-EX Series Ethernet switchesin the current release. For a list of all J-EX Series software features and their platformsupport, see the software overview information in the Dell PowerConnect J-EX SeriesEthernet Switch Complete Software Guide for Junos OS athttp://www.support.dell.com/manuals.New features are described on the following pages:• Access Control and Port Security on page 52• Layer 2 and Layer 3 Protocols on page 53• Management and RMON on page 53• Packet Filters on page 53Access Control and Port Security• Captive portal authentication functionality enhancements—Limitations on captive portalauthentication functionality are removed. Captive portal functionality no longer requiresthat a routed VLAN interface (RVI) be created or that the switch's DHCP gateway IPaddress be configured as the IP address of the RVI.52Junos 10.3 OS Release Notes