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Cisco Catalyst 3750E-48TD
Enterprise Class Stackable Wiring Closet Switch for top-of-rack connectivity | Cisco Catalyst 4948-10GE
High-Performance, Rack-Optimized fixed configuration switch for top-of-rack connectivity |
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GREAT FOR Enterprise class high availability data center server connectivity
Comprehensive routing and switching protocol support with high performance StackWise Plus stacking technology and 10Gigabit Ethernet capabilities
| GREAT FOR Top-of-rack switch
48 ports of wire-speed 10/100/1000BASE-T with 2 ports of wire-speed 10 Gigabit Ethernet (X2 optics)
Low latency Ethernet switch
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HIGHLIGHTS Wire-speed Layer 3 routing in a 1U all-Gigabit platform for high performance Enterprise networks
Optional external redundant power for high availability
Seamless integration with Cisco networks
| HIGHLIGHTS Wire-Speed Performance
Hardware-based Cisco Express Forwarding routing architecture enables increased scalability and performance
Comprehensive Management
Hot swappable power supplies and fan trays for redundancy
Intelligent Network Services with QoS and Sophisticated Traffic Management
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Port Attributes 48 10/100/1000BASE-T auto-sensing Gigabit Ethernet switching ports and 2 X2 10 Gigabit Ethernet uplinks;
2 high-speed StackWise Plus connectors | Port Attributes The Cisco Catalyst 4948 10 Gigabit Ethernet Switch offers 48 ports of wire-speed 10/100/1000BASE-T with 2 ports of wire-speed 10 Gigabit Ethernet (X2 optics) |
Management Web-based management;
Cisco CLI;
Enterprise-class management using CiscoWorks | Management Manageable through Cisco Network Assistant (CNA) |
Performance Up to 160-Gbps switching fabric;
Forwarding rate up to 101.2 Mpps based on 64-byte packets;
64Gbps bi-directional, stacking bandwidth;
Stack forwarding rate of up to 95 million packets per second (mpps);
Configurable maximum transmission units (MTUs) of up to 9216 bytes (jumbo frames) | 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 and User Datagram Protocol (UDP) hardware-based filtering at 102 mpps
No performance penalty with advanced Layer 3 and 4 services enabled
Software-based learning at a sustained rate of 3000 hosts per second
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VLAN Up to 1005 VLANs per switch and up to 128 spanning-tree instances per switch are supported;
4096 VLAN IDs are supported;
| VLAN Support for 4096 VLANs per switch
VLAN SPAN
Private VLANs (PVLANs) on access and trunk ports |
Availability Spanning Tree (IEEE 802.1D) and Rapid Spanning Tree (IEEE 802.1w);
Multiple spanning trees (IEEE 802.1s);
Cisco StackWise-Plus;
Per-VLAN Rapid Spanning Tree (PVRST+);
Cisco Hot Standby Router Protocol (HSRP);
External redundant power with Redundant Power Supply (RPS) 2300 (sold separately) | Availability 1+1 hot swappable AC power supplies
Hot-swappable field-replaceable fan tray with redundant fans
HSRP
VRRP
Cisco IOS Embedded Event Manager (EEM)
Cisco Generic Online Diagnostics (GOLD) |
Quality of Service Cross-stack QoS;
802.1p class of service (CoS) and differentiated services code point (DSCP);
Cisco control-plane and data-plane QoS ACLs on all ports;
4 egress queues per port help enable differentiated management of up to four traffic types across the stack;
Shaped Round Robin (SRR);
Weighted Tail Drop (WTD);
Strict priority queuing;
Cisco committed information rate (CIR) function provides bandwidth in increments as low as 8 Kbps;
Rate limiting on source and destination IP address, source and destination MAC address, Layer 4 TCP/UDP information, or any combination of these fields;
QoS ACLs (IP ACLs or MAC ACLs);
| Quality of Service 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 4 headers
Input and output policing based on Layer 3 and 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
Match class of service (CoS) for non-IPv4 traffic |
Multicast Static IP multicast;
Dynamic multicast - IGMP v1/v2, IGMP snooping for IPv4 and IPv6 MLD v1 and v2 Snooping, Multicast VLAN Registration (MVR), IGMP filtering, PIM-SM, PIM-DM | Multicast IP Multicast routing protocols: PIM, SSM, Auto-RP and Distance Vector Multicast Routing Protocol (DVMRP)
Hardware-based multicast management
IGMPv1, v2, and v3 snooping
IGMPv1, v2, and v3
IGMP filtering on access and trunk ports
IP IGMP snopping querier |
Security Dynamic ARP Inspection (DAI), DHCP Snooping, Private VLAN, 802.1x;
Voice VLAN, port security;
Access Control List (ACL);
Web SSL-based authentication;
Port security;
Bridge Protocol Data Unit (BPDU) Guard, Spanning Tree Root Guard (STRG), IGMP filtering | Security TACACS+ and RADIUS, which help enable centralized control of the switch and restrict unauthorized users from altering the configuration
Standard and extended ACLs on all ports
IEEE 802. 1x user authentication
IEEE 802.1x accounting
IEEE 802. 1x authentication failure
IEEE 802. 1x private VLAN assignment
IEEE 802. 1x private guest VLAN
IEEE 802. 1x RADIUS-supplied timeout
IEEE 802.1x Mac-Auth-Bypass
IEEE 802.1x inaccessible authentication bypass
Cisco Network Admission Control (NAC) Layer 2 IEEE 802.1x
Port ACLs (PACLs)
Private VLANs (PVLANs) on access and trunk ports |
Switching 64Gbps StackWise Plus technology allows stacking of up to nine switches to create a highly resilient single unified system;
Link Aggregation;
LACP support | Switching Bandwidth aggregation up to 40 Gbps using Cisco Gigabit Ethernet EtherChannel technology
Link Aggregation Control Protocol (LACP)
Multilayer switching: IP Base and Enterprise Services options
Jumbo frames on all ports (up to 9216) |
Peripheral Products Cisco SFP Transceiver;
Cisco X2 modules;
Optional software license key upgrades to IP Services (advanced IPv6 routing protocol support);
Redundant Power System (RPS) 2300 | Peripheral Products Cisco Transceivers
X2-10GB-CX4 10GB CX4 module
X2-10GB-LX4 10GB LX4 module
X2-10GB-SR 10GB short-reach (SR) module |
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