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Software Feature Cisco Catalyst OS Cisco IOS
Software
Spanning Tree: PortFast, UplinkFast, BackboneFast, BPDU Guard,
PRRST+, PVRST
x x
IEEE 802.1s and 802.1w x x
Jumbo Frames x x
EtherChannel, Port Aggregation Protocol (PAgP) x x
EtherChannel, IEEE 802.3ad (LACP) x x
Local and Remote Span (RSPAN) x x
Multicast Services: PIM, IGMP snooping, RGMP, Bi-dir PIM x x
QoS Marking, Policing, Scheduling x x
QoS ACLs x x
Routing ACLs x x
VLAN ACLs x x
Port-based ACLs (PACLs) x x
HSRP x x
VRRP x x
GLBP x x
IPv6 x
Any Transport over MPLS (AToM) (PFC3bXL Only) x
MPLS (PFC3b and PFC3bXL only) x
Cisco IOS Software Server Load Balancing x
Broadcast Suppression x x
Protocol filtering, Cisco IOS Software Support on Cisco Catalyst
6500 Series Supervisor Engine 1A Systems Only
x x
Port Security x x
Secure Copy Protocol (SCP) x x
SSHv1 and SSHv2 x x
Smart Ports Macros x x
IEEE 802.1x and VLAN Assignment x x
IEEE 802.1x Extensions Beyond VLAN Assignment x x
Time Domain Reflectometer (TDR) x x
AutoQoS x x
ARP Inspection x x
Dynamic ARP Inspection x x
DHCP Snooping x x
IP Source Guard x x
Network-Based Application Recognition (NBAR) x x
User-Based Rate Limiting x
Cisco Discovery Protocol x x
NetFlow Data Export (NDE) x x
Unidirectional Link Detection (UDLD) x x
Voice VLAN ID (VVID) and Inline Power for Cisco IP Phones x x
Supervisor Redundancy and Failover x x
Stateful Supervisor Switchover x x
Multiprotocol Label Switching (MPLS), EoMPLS, MPLS VPN x
Distributed Cisco Express Forwarding x
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