Cisco WS-C4948-S Switch - Cisco 4948

SKU: WS-C4948-S | MFG: Cisco
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Cisco Catalyst 4948 switch includes 48 x 10/100/1000 Ports - 4 x SFP Slots - 1 x AC Power Supply - Standard Image
As far as starter network switches go, there’s nothing like a tried and true member of the Cisco Catalyst family. Our refurbished WS-C4948-S Cisco 4948 switches are the perfect way to connect your large networks if you plan to create even more extensive architecture in the future.



What makes these Cisco 4900 series switches so great is the fact that they include hot-swap module replacement. You can stick with the 48 included 10/100/1000 Ethernet ports or upgrade to one of the other board offerings from Cisco’s Catalyst line to access even faster speeds and advanced capabilities. Of course, this WS-C4948-S switch might have you covered even if you don’t make changes.



Dynamic IP address assignment is perfect for firms trying to figure out the ideal configuration settings. So is the fact that, with 256 MB of RAM, 128 MB of flash memory and easy protocols like TFTP, you can update countless device bootloaders and hosts from this one unit. When you want to compare the performance characteristics of multiple VLAN configurations, the capability of the WS-C4948-S to recognize up to 1005 at once will prevent you from running out any time soon.



Cisco’s Shaped Round Robin method of queue scheduling was designed to provide traffic that flows more smoothly. The WS-C4948-S allows you to designate certain queues as higher priority than others so that you can expand your network and still benefit from the high speeds it originally provided.



The WS-C4948-S switch was designed with hardware features like DHCP support and auto-negotiation so that it would work well in high-demand networks like those found at universities. With that in mind, we think it’s ideal for anyone who wants to administer a network with multiple user classes, different department sub-domains or any other kind of highly-segmented IT structure.

  • MainSpecs
    • Optional
    • 16.5 lbs
    • Layer 3 switching, layer 2 switching, auto-sensing per device, IP-routing, auto-negotiation, BOOTP support, ARP support, trunking, Cisco Fast EtherChannel, VLAN support, Cisco Gigabit EtherChannel , IGMP snooping, ISL support, Syslog support, manageable, MAC address filtering, Broadcast Storm Control, IPv6 support, Multicast Storm Control, Spanning Tree Protocol (STP) support, Rapid Spanning Tree Protocol (RSTP) support, Multiple Spanning Tree Protocol (MSTP) support, DHCP snooping, Dynamic Trunking Protocol (DTP) support, Port Aggregation Protocol (PAgP) support, Trivial File Transfer Protocol (TFTP) support, Access Control List (ACL) support, Quality of Service (QoS), RADIUS support, Jumbo Frames support, Virtual Route Forwarding-Lite (VRF-Lite), Time Domain Reflectometry (TDR), WCCP 2.0, Per-VLAN Spanning Tree Plus (PVST+), Uni-Directional Link Detection (UDLD), Link Aggregation Control Protocol (LACP), Remote Switch Port Analyzer (RSPAN), Per-VLAN Rapid Spanning Tree (PVRST)
    • 17.3 in x 16.1 in x 1.7 in
    • 1 year warranty
    • Cisco Catalyst 4948 - switch - 48 ports - managed - rack-mountable
    • Switch - 48 ports - L3 - managed
    • IEEE 802.3, IEEE 802.3u, IEEE 802.3z, IEEE 802.1D, IEEE 802.1Q, IEEE 802.3ab, IEEE 802.1p, IEEE 802.3ad (LACP), IEEE 802.1w, IEEE 802.1x, IEEE 802.1s, IEEE 802.3ah, IEEE 802.1ag
    • AC 120/230 V ( 50/60 Hz )
    • SNMP 1, SNMP 2, RMON 1, RMON 2, RMON 3, RMON 9, Telnet, SNMP 3, HTTP, HTTPS, CLI
    • Rack-mountable - 1U
    • Active VLANs : 4096 ¦ Spanning Tree Protocol instances : 1500 ¦ Switched virtual interfaces (SVIs) : 2000 ¦ QoS hardware entries : 32000 ¦ Multicast entries (Layer 3) : 28000 ¦ Multicast entries (Layer 2) : 16000
    • Switching capacity : 96 Gbps ¦ Throughput : 72 Mpps
    • 9216
    • 32K entries
    • 48 x 10/100/1000 + 4 x SFP
    • RIP-1, RIP-2, EIGRP, static IP routing
    • Gigabit Ethernet
    • Gigabit Ethernet
    • 1 year warranty
  • General
    • Active VLANs : 4096 ¦ Spanning Tree Protocol instances : 1500 ¦ Switched virtual interfaces (SVIs) : 2000 ¦ QoS hardware entries : 32000 ¦ Multicast entries (Layer 3) : 28000 ¦ Multicast entries (Layer 2) : 16000
    • SNMP 1, SNMP 2, RMON 1, RMON 2, RMON 3, RMON 9, Telnet, SNMP 3, HTTP, HTTPS, CLI
    • 256 MB - SDRAM
    • IEEE 802.3, IEEE 802.3u, IEEE 802.3z, IEEE 802.1D, IEEE 802.1Q, IEEE 802.3ab, IEEE 802.1p, IEEE 802.3ad (LACP), IEEE 802.1w, IEEE 802.1x, IEEE 802.1s, IEEE 802.3ah, IEEE 802.1ag
    • 1 : 266 MHz
    • Link activity, power, system, status
    • Switch - 48 ports - L3 - managed
    • Rack-mountable - 1U
    • Secure Shell (SSH), RADIUS, TACACS+, Secure Shell v.2 (SSH2)
    • 32K entries
    • 64 MB flash
    • 9216
    • 48 x 10/100/1000 + 4 x SFP
    • RIP-1, RIP-2, EIGRP, static IP routing
    • Switching capacity : 96 Gbps ¦ Throughput : 72 Mpps
    • Layer 3 switching, layer 2 switching, auto-sensing per device, IP-routing, auto-negotiation, BOOTP support, ARP support, trunking, Cisco Fast EtherChannel, VLAN support, Cisco Gigabit EtherChannel , IGMP snooping, ISL support, Syslog support, manageable, MAC address filtering, Broadcast Storm Control, IPv6 support, Multicast Storm Control, Spanning Tree Protocol (STP) support, Rapid Spanning Tree Protocol (RSTP) support, Multiple Spanning Tree Protocol (MSTP) support, DHCP snooping, Dynamic Trunking Protocol (DTP) support, Port Aggregation Protocol (PAgP) support, Trivial File Transfer Protocol (TFTP) support, Access Control List (ACL) support, Quality of Service (QoS), RADIUS support, Jumbo Frames support, Virtual Route Forwarding-Lite (VRF-Lite), Time Domain Reflectometry (TDR), WCCP 2.0, Per-VLAN Spanning Tree Plus (PVST+), Uni-Directional Link Detection (UDLD), Link Aggregation Control Protocol (LACP), Remote Switch Port Analyzer (RSPAN), Per-VLAN Rapid Spanning Tree (PVRST)
    • Gigabit Ethernet
    • Gigabit Ethernet
  • Manufacturer Warranty
    • Limited warranty - 1 year
    • 1 year warranty
  • Expansion / Connectivity
    • 48 x 10Base-T/100Base-TX/1000Base-T - RJ-45 ¦ 1 x 10Base-T/100Base-TX - RJ-45 - management ¦ 1 x console - RJ-45 - management ¦ 4 x SFP (mini-GBIC)
  • Power
    • Optional
    • 1+1 (with optional power supply)
    • Power supply - hot-plug / redundant - plug-in module
    • AC 120/230 V ( 50/60 Hz )
    • 1 (installed) / 2 (max)
  • Software / System Requirements
    • Cisco IOS IP Base
  • Environmental Parameters
    • 32 °F
    • 104 °F
    • 10 - 90% (non-condensing)
    • 167 °F
    • -40 °F
  • Miscellaneous
    • 16.5 lbs
    • 1.7 in
    • 16.1 in
    • NEBS level 3, FCC Class A certified, CISPR 22 Class A, EN 61000-3-2, VCCI Class A ITE, EN 61000-3-3, EN55024, EN55022 Class A, EN50082-1, CSA 22.2 No. 60950, ICES-003 Class A, FCC CFR47 Part 15, IEC 825-1, IEC 825-2, FCC CFR21 Part 1040, UL 60950-1, IEC 60950-1, EN 60950-1
    • 17.3 in
  • Dimensions & Weight
    • 16.1 in
    • 1.7 in
    • 16.5 lbs
    • 17.3 in

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