Комутатор Cisco Catalyst 4948-10GE

Manufacturer:

Cisco

Product ID:

WS-C4948-10GE-E

Product Description:

Catalyst 4948, ES Image, 48*10/100/1000+2*10GE(X2), 1 AC p/s

Product Type:

Layer 3 Switch

Interfaces/Ports

Total Number of Network Ports:

48

Number of Network (RJ-45) Ports:

48

Port/Expansion Slot Details:

48 x Gigabit Ethernet Network

Media & Performance

Media Type Supported:

Twisted Pair

Ethernet Technology:

Gigabit Ethernet

Network Technology:

10/100/1000Base-T

I/O Expansions

Number of Total Expansion Slots:

2

Expansion Slot Type:

X2

Network & Communication

Layer Supported:

4

Management & Protocols

Manageable:

Yes

Management:

• Cisco Network Assistant
• CiscoWorks
• Cisco SmartPort macros
• CiscoView
• SNMPv1, v2, and v3 instrumentation, delivering comprehensive in-band management
• CLI-based management console to provide detailed out-of-band management
• Remote Monitoring (RMON) software agent
• Per VLAN Spanning Tree (PVST) and VLAN IDs: 4096

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

Memory

Standard Memory:

256 MB

Memory Technology:

SDRAM

Flash Memory:

64 MB

Physical Characteristics

Form Factor:

Rack-mountable

Height:

1.8"

Width:

17.5"

Depth:

16"

Weight (Approximate):

17.20 lb

Miscellaneous

Additional Information:

• Power-Supply Redundancy for Nonstop Operation
• Robust Network Security
• Switch heat dissipation: 1023 BTU/hour
• Switched Virtual Interfaces (SVIs): 2k
• Storm control
• Hardware-based IP Cisco Express Forwarding routing at 102 mpps
• Policy-based routing (PBR)
• Bandwidth aggregation up to 40 Gbps using Cisco Gigabit Ethernet EtherChannel technology
• Support for 55,000 unicast and 16000 multicast MAC addresses

Security Features:

• Hardware-based ACLs, router ACLs (RACLs), VLAN ACLs
• TACACS+ and RADIUS
• 802.1x accounting
• 802.1x authentication failure
• 802.1x Private VLAN assignment Port security
• Sticky port security
• SSHv1 and SSHv2
• VLAN Management Policy Server (VMPS) client
• Unicast MAC filtering
• Unicast port flood blocking
• Dynamic Address Resolution Protocol (ARP) inspection
• IP source guard
• Community Private VLANs
• Trunk Port Security