Layer 3 Features

∙Port Aggregation Protocol (PAgP)

∙Unidirectional Link Detection Protocol (UDLD) and aggressive UDLD on the SFP ports

∙Q-in-Q in hardware

∙Layer 2 protocol tunneling

∙Jumbo frames on all ports (up to 9216 bytes)

∙Baby giants (up to 1600 bytes)

∙Hardware-based storm control (formally known as broadcast and multicast suppression)

∙Community private VLANs (PVLANs)

∙Forced 10/100 autonegotiation

∙Web Content Communication Protocol Version 2 Layer 2 Redirect

∙Private VLAN Promiscuous Trunk

∙Hardware-based IP Cisco Express Forwarding routing at 72 Mpps

∙Static IP routing

∙IP routing protocols: EIGRP, OSPF, RIP, RIP2

∙BGPv4 and Multicast Border Gateway Protocol (MBGP)

∙Hot Standby Router Protocol (HSRP)

∙Software routing of IPX and AppleTalk

∙IS-IS routing protocol

∙IGMPv1, v2, and v3

∙IGMP filtering on access and trunk ports

∙IP Multicast routing protocols (Protocol Independent Multicast [PIM], Source Specific Multicast [S SM], and Distance Vector

∙Multicast Routing Protocol [DVMRP])

∙Pragmatic General Multicast (PGM)

∙Cisco Group Management Protocol (GMP) server

∙Full Internet Control Message Protocol (ICMP) support

∙ICMP Router Discovery Protocol

∙Policy-based routing (PBR)

∙Virtual Route Forwarding-lite (VRF-lite)

∙IPv6 software switching support

∙OSPF fast convergence

∙EIGRP stub

∙Virtual Router Redundancy Protocol (VRRP)

Sophisticated QoS and Traffic Management

∙Per-port QoS configuration

∙Per-port per VLAN QoS

∙Support for four queues per port in hardware

∙Strict priority queuing

∙IP differentiated services code point (DSCP) and IP Precedence

∙Classification and marking based on IP type of service (ToS) or DSCP

∙Classification and marking based on full Layer 3 and 4 headers (IP only)

∙Input and output policing based on Layer 3 and 4 headers (IP only)

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