Datasheet

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FEATURES AT A GLANCE

Layer 2 Features

• Layer 2 hardware forwarding at 72 Mpps

• Layer 2 switch ports and VLAN trunks

• IEEE 802.1Q VLAN encapsulation

• Inter-Switch Link (ISL) VLAN encapsulation (excluding blocking ports on WS-X4418-GB)

• Dynamic Trunking Protocol (DTP)

• VLAN Trunking Protocol (VTP) and VTP domains

• Support for 4096 VLANs per switch

• Per-VLAN Spanning-Tree Protocol (PVST+) and Per-VLAN Rapid Spanning-Tree Protocol (PVRST)

• Spanning-tree PortFast and PortFast guard

• Spanning-tree UplinkFast and BackboneFast

• 802.1s

• 802.1w

• 802.3ad

• Spanning-tree root guard

• Cisco Discovery Protocol

• IGMP snooping v1, v2, and v3

• Cisco EtherChannel

, Cisco Fast EtherChannel, and Cisco Gigabit EtherChannel technology across line cards

• Port Aggregation Protocol (PAgP)

• Link Aggregation Protocol (LACP)

• Unidirectional link detection (UDLD) and aggressive UDLD

• QinQ in hardware

• Layer 2 protocol tunneling

• Jumbo frames (up to 9216 bytes)

• Baby giants (up to 1600 bytes)

• Unidirectional Ethernet

• SSO in subsecond failover time

• Storm control (formally known as broadcast and multicast suppression)

Layer 3 Features

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

• IP routing protocols: EIGRP, OSPF, Routing Information Protocol (RIP), and RIP2

• BGP4 and Multicast Border Gateway Protocol (MBGP)

• NSF awareness

• Hot Standby Router Protocol (HSRP)

• Software routing of Internetwork Packet Exchange (IPX) and AppleTalk

• IS-IS routing protocol

• IGMP v1, v2, and v3

• IGMP filtering on access and trunk ports

• IP Multicast routing protocols (PIM, SSM, and Distance Vector Multicast Routing Protocol [DVMRP])

• PGM