Cisco Systems 4948 Series Switch User Manual


 
© 2006 Cisco Systems, Inc. All rights reserved.
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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
Layer 3 Features
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)