Feature

Centralized/Distributed

Layer 2 Features

VLANs/VTP/VTP Pruning

Distributed

802.1D Spanning Tree Protocol, PVST, PVST+

Distributed for all ports, except AgPorts

Spanning Tree Protocol Enhancements (CSUF, BPDU Guard, Root Guard, and so on)

Distributed for all ports, except AgPorts

802.1D Bridging-address learning, static addresses, dynamic addresses

Distributed

802.1X

Distributed processing, communication with RADIUS server is centralized

Voice VLAN

Distributed

VQP, dynamic VLANs

Distributed VQP processing, communication with VMPS server is centralized server is centralized

Port security, protected port, port blocking

Distributed

Cisco Discovery Protocol

Centralized

Fallback Bridging

Centralized

Routing

IP Routing protocols: RIPv1, RIPv2, OSPF, IGRP, EIGRP

Centralized

HSRP

Centralized

Telnet, DNS, TFTP, FTP, BOOTP, DHCP, HTTP, NTP, TACACS, RADIUS

Centralized

Quality of Service (QoS)/ACLs

VLAN ACLs, router ACLs

Centralized

QoS-Egress scheduling using Shaped Round Robin (SRR)

Centralized

Multicast

IGMP snooping, MVR, IGMP filtering

Distributed

IGMPv1, v2, v3

Centralized

Multicast routing protocols-PIM (Sparse, dense and sparse-dense modes), DVMRP (tunneling)

Centralized

Management

CLI

Centralized

SNMPv2, RMON

Centralized