Cisco Cisco IOS Software Release 12.2(58)SE

Source Specific Multicast (SSM) mapping for multicast applications

12.2(44)SE

Support for the *, ip-address, interface interface-id, and vlan vlan-id keywords with the clear 
ip dhcp snooping command

12.2(44)SE

Flex Link Multicast Fast Convergence

12.2(44)SE

IEEE 802.1x readiness check

12.2(44)SE

Configurable control-plane queue assignment

12.2(44)SE

Prioritization of management traffic

12.2(44)SE

 /31 bit mask support for multicast traffic 

12.2(44)SE

Configuration replacement and rollback

12.2(40)SE

Embedded event manager (EEM) 

12.2(40)SE

Internet Group Management Protocol (IGMP) Helper

12.2(40)SE

IP Service Level Agreements (IP SLAs) support 

12.2(40)SE

IP SLAs EOT

12.2(40)SE

IP SLAs for Metro Ethernet using IEEE 802.1ag Ethernet operation, administration, and 
maintenance (OAM)

12.2(40)SE

Multiprotocol label-switching (MPLS) OAM 

12.2(40)SE

Multicast virtual routing and forwarding (VRF) lite

12.2(40)SE

Support for the SSM PIM protocol

12.2(40)SE

Support for the Link Layer Discovery Protocol Media Extensions (LLDP-MED)

12.2(40)SE

Support for Resilient Ethernet Protocol (REP) 

12.2(40)SE

Ethernet OAM MPLS

12.2(37)SE

ELMI-CE

12.2(37)SE

LLDP and LLDP-MED

12.2(37)SE

Port security on a PVLAN host

12.2(37)SE

VLAN Flex Links load balancing

12.2(37)SE

MVR over trunk port (MVRoT) support

12.2(35)SE1

Hierarchical QoS on ES EtherChannels 

12.2(35)SE1

Enhanced object tracking for HSRP 

12.2(35)SE1

Ethernet OAM IEEE 802.3ah protocol 

12.2(35)SE1

Ethernet OAM CFM (IEEE 802.1ag) and E-LMI

12.2(25)SEG

NSF awareness

12.2(25)SEG

MST based on the IEEE 802.1s standard

12.2(25)SEG

SCP

12.2(25)SEG

Per VLAN MAC learning disable

12.2(25)SEG

DHCP Option-82 configurable remote Id and circuit ID

12.2(25)SEE

H-VPLS

12.2(25)SED