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Cisco Switches

Cisco Switches
Data center solutions from Dell and Cisco
By combining Dell’s servers and storage (PowerEdge, EqualLogic, Dell EMC and PowerVault) with Cisco’s Nexus and Catalyst Ethernet switches, you can achieve a unified fabric data center solution. Leverage Dell and Cisco together to simplify, unify and consolidate your data center environment.
Switch Cisco Catalyst 4948-10GE
Switch Cisco Catalyst 4948-10GE
High-Performance, Rack-Optimized fixed configuration switch for top-of-rack connectivity
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
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
Layer 2 and Layer3 switch
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
Manageable through Cisco Network Assistant (CNA)
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
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 access control lists (ACLs), router ACLs (RACLs), and VLAN ACLs (VACLs)
VLAN
Support for 4096 VLANs per switch
VLAN SPAN
Private VLANs (PVLANs) on access and trunk ports
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
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
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
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 (with VLAN assignment, voice VLAN, port security, guest VLAN, private guest VLAN, private VLAN, and RADIUS-supplied session timeout extensions)
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
Cisco NAC Layer 2 IP
Cisco NAC Layer 2 IP inaccessible authentication bypass
Trusted boundary
RACLs on all ports (no performance penalty)
VACLs
Port ACLs (PACLs)
Private VLANs (PVLANs) on access and trunk ports
DHCP snooping
DHCP Option 82
DHCP Option 82 insertion
DHCP Option 82 pass-through
Port security
Port security for PVLAN ports
Sticky port security
Secure Shell (SSH) Protocol Versions 1 and 2
VLAN Management Policy Server (VMPS) client
Unicast MAC filtering
Unicast port flood blocking
Dynamic Address Resolution Protocol (ARP) inspection
IP Source Guard
Community PVLANs
Trunk port security
IEEE 802.1x inaccessible authentication bypass
MAC authentication bypass
Control plane policing
IEEE 802.1x unidirectional controlled port
Voice VLAN sticky port security
Secure Copy Protocol (SCP)
Cisco EtherChannel trunk port security
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 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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