Cisco 4948-10GE - Catalyst Switch Veri Sayfası - Sayfa 5
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Sayfayı Yazdır
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)
Pragmatic General Multicast (PGM)
Cisco Group Multicast Protocol server
Full Internet Control Message Protocol (ICMP) support
ICMP Router Discovery Protocol
Policy-based routing (PBR)
Virtual Route Forwarding lite (VRF-lite)
IPv6 (software switched)
OSPF fast convergence
Sophisticated QoS and Traffic Management
Per-port QoS configuration
Support for four queues per port
Strict priority queuing
IP differentiated services code point (DSCP)
Classification and marking based on IP type of service (ToS) or DSCP
Classification and marking based on full Layer 3 and Layer 4 headers
Input and output policing based on Layer 3 and Layer 4 headers
Support for 512 policers on ingress and 512 policers on egress
Shaping and sharing output queue management
DBL—congestion-avoidance feature
No performance penalty for granular QoS functions
Per-port, per-vlan QoS
Predictable Performance
136 Gbps switching fabric
Layer 2 hardware forwarding at 102 mpps
Layer 3 hardware-based IP Cisco Express Forwarding routing at 102 mpps
Layer 4 TCP/User Datagram Protocol (UDP) hardware-based filtering at 102 mpps
No performance penalty with advanced Layer 3 and Layer 4 services enabled
Software-based learning at a sustained rate of 3000 hosts per second
Support for 55,000 unicast and 16000 multicast MAC addresses
Support for 32,000 entries in routing table (shared between unicast and multicast)
Scalability to 2000 virtual ports (VLAN port instances)
Bandwidth aggregation up to 40 Gbps using Cisco Gigabit Ethernet EtherChannel technology
Hardware-based multicast management
Hardware-based ACLs, router ACLs (RACLs), VLAN ACLs
Comprehensive Management
Manageable through Cisco Network Assistant
Single console port and single IP address to manage all system features
Software configuration management, including local and remote storage
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