CHAPTER 14System Setup Overview• Junos OS—Overview on page 157Junos OS—Overview• J-EX Series Switch Software Features Overview on page 157• Understanding Software Infrastructure and Processes on page 158J-EX Series Switch Software Features OverviewThe following tables list the J-EX Series Switches software features and the Junos OSrelease in which they were introduced:• Table 4 on page 4—Access Control Features• Table 5 on page 4—Administration Features• Table 6 on page 4—Class-of-Service (CoS) Features• Table 7 on page 5—High Availability and Resiliency Features• Table 8 on page 6—Interfaces Features• Table 9 on page 7—IP Address Management Features• Table 10 on page 7—IPv6 Features• Table 11 on page 7—Layer 2 Network Protocols Features• Table 12 on page 8—Layer 3 Protocols Features• Table 13 on page 9—MPLS Features• Table 14 on page 10—Multicast Features• Table 15 on page 10—Network Management and Monitoring Features• Table 16 on page 11—Port Security Features• Table 17 on page 12—System Management FeaturesRelatedDocumentationHigh Availability Features for J-EX Series Switches Overview on page 18•• Layer 3 Protocols Supported on J-EX Series Switches on page 13• Layer 3 Protocols Not Supported on J-EX Series Switches on page 14157