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WS-C2950G-48-EI

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Cisco WS-C2950G-48-EI Catalyst 2950 48-Port Fast Ethernet Switch, 2x1G GBIC Uplinks, Enhanced Image
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ws-c2950g-48-ei cisco ws-c2950g-48-ei catalyst 2950 48-port fast ethernet switch, 2x1g gbic uplinks, enhanced image
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WS-C2950G-48-EI

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Cisco WS-C2950G-48-EI Catalyst 2950 48-Port Fast Ethernet Sw...

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Layer 2 Connectivity for Branch Office Wiring Closets

WS-C2950G-48-EI is a managed Layer 2 access switch with 48 10/100 Mbps RJ-45 ports and two fixed 1G GBIC uplink slots. The access ports are non-PoE, so connected endpoints requiring Ethernet power need a separate power arrangement. Its full-width, 1U chassis belongs to the Catalyst 2950 family and ships with Enhanced Image software for branch-office and workgroup switching. The discontinued WS-C2950G-24-EI is the density sibling, carrying 24 access ports. Cisco Catalyst 2950G-48 is legacy replacement hardware: Cisco support has ended for this retired series. Match the existing access-speed requirements and GBIC connections before selecting this configuration.

WS-C2950G-48-EI price for new stock is is available on request. Get immediate quote. WS-C2950G-48-EI refurb price is $28.35.

Request bulk order quote for WS-C2950G-48-EI for additional pricing. Browse the full Cisco 2950 Catalyst Switches series or explore all Cisco products.

Technical Details

13.6 Gbps switching capacity defines the aggregate forwarding envelope, while 10.1 Mpps forwarding applies to 64-byte packets. An 8000-entry MAC address table supports address learning across the attached Ethernet segment. WS-C2950G-48-EI uses an 8 MB shared packet-memory architecture and 8 MB flash storage for its switching software. Enhanced Image adds rate limiting and security filtering, including traffic classification using MAC addresses, IP addresses and transport-port information. Four egress queues provide separate scheduling treatment for traffic classes. LACP and PAgP configure aggregated Ethernet links, while IGMP snooping controls multicast delivery to interested receivers. These functions operate at the switching edge; the unit does not route between VLANs. The fixed internal power supply does not accept a second internal PSU, and external backup power uses the rear RPS connection. Keep that distinction when specifying power redundancy.

Ordering

ORM Systems offers WS-C2950G-48-EI in new sealed and certified refurbished condition; select the condition and confirm included accessories before placing the order. Certified refurbished units are inspected and bench-tested for power-on and POST, rated-speed port links, clean boot and fan status; firmware is verified and configuration is wiped to factory default. ORM warranty is up to 3-year extended for new units and up to 1 year for certified refurbished units, with 30-day returns on every condition, terms apply; Cisco's former Limited Lifetime coverage has ended. POs are accepted, Net-30 is available for government, and enterprise or volume orders can specify UK, EU, US or MEA stock and RMA handling with advance replacement.

Buying Notes

Buying NotesKey Specs

GBIC ordering and cabling

Fiber uplinks require compatible GBIC transceivers, not SFPs. WS-G5484 provides 1000BASE-SX, while WS-G5486 provides 1000BASE-LX/LH; specify the transceiver and matching fiber connection on the purchase order.

Encrypted management image requirement

Encrypted administration requires a cryptographic software image on WS-C2950G-48-EI. Specify SSH and encrypted SNMPv3 requirements when ordering, because Enhanced Image alone does not identify the cryptographic image installed.

Legacy interconnect ordering

A GigaStack interconnect requires WS-X3500-XL in a GBIC slot, with its included cable. Allocate that slot to the interconnect rather than a distribution uplink, and include WS-X3500-XL on the order.

Key Specs

Key SpecsKey Spec Values

Operating System

Cisco IOS

Port Configuration

48 x 10/100, 2 x 1G GBIC uplinks

Stacking

GigaStack GBIC / 9 switches with WS-X3500-XL

Max Power Draw

45W

WS-C2950G-48-EI Specifications

Manufacturer Part Number
WS-C2950G-48-EI
Brand
Cisco
Series
Catalyst 2950
Use Case
Branch Office
Management Type
Managed
Layer
Layer 2
Ethernet Technology
Fast Ethernet
RJ-45 Access Port Count
48
Power Input
Internal AC PSU / External RPS (PWR300-AC-RPS-N1)
RJ-45 Ports
48 x 10/100 Mbps
Uplink Type
Fixed
Uplink Speed Class
1G
PoE Support
Non-PoE
Switching Capacity
13.6 Gbps
Forwarding Rate
10.1 Mpps
MAC Table Size
8000 Entries
Flash Memory
8 MB
Stackable
Yes - max 9 Units
Form Factor
Rack-Mount 1U
Input Voltage
100-127V AC / 200-240V AC / 12V DC through external RPS
Power Consumption
45W
Redundant PSU
No
Cooling
Fan-cooled
Operating Temperature
0°C to 45°C
MTBF
159026 Hours
Cisco Warranty
Ended / Former Limited Lifetime hardware warranty
Certifications
UL 1950 / CSA 22.2 No. 950 / IEC 950 / EN 60950 / AS/NZS 3260 / TS001 / CE Marking / FCC Part 15 Class A / EN 55022:1998 Class A / EN 55024:1998 / VCCI Class A / AS/NZS 3548 Class A / CNS 13438 / BSMI Class A / MIC
Height
43.6 mm
Width
445 mm
Depth
330.2 mm
Weight
4.5 kg

Best For

Branch Cable Retention

For a branch retaining existing copper cabling, endpoint runs must stay within 100 m. The purchase should identify cable lengths and preserve rear-panel access for commissioning, rather than assuming the existing installation is ready. Verify the branch cable schedule and console-access arrangement before issuing the PO.

Spanning Tree Staging

For a staging lab reproducing an existing switching configuration, PVST+, RSTP and MSTP define the available spanning-tree options. Match the selected mode to the production configuration being tested, including uplink behavior. Specify the intended software image and test topology before ordering the lab unit.

Cluster Configuration Rollout

When an existing administration workflow relies on CMS clustering, a cluster can contain 16 switches and use one management IP address. That is a management arrangement rather than a replacement for the physical cabling plan. Identify the command switch and intended cluster membership before specifying the rollout order.

Not Suitable If

Gigabit connectivity at every endpoint

The access ports operate at 10/100 Mbps, not Gigabit Ethernet. The 1G uplink slots do not change endpoint speed, so Gigabit endpoint connections require different access hardware.

PoE-powered phones or access points

The access ports do not supply PoE. Phones and access points requiring Ethernet power need separately powered connections or a switch that provides the required endpoint power.

Routing between local VLANs

Layer 2 switching does not provide inter-VLAN routing. Enhanced Image adds filtering and traffic controls rather than routing, so communication between VLANs requires a separate routing device.

Product Comparison Table

Cisco WS-C2950G-48-EI Catalyst 2950 48-Port Fast Ethernet Switch, 2x1G GBIC Uplinks, Enhanced ImageWS-C2950G-48-EICisco WS-C2950G-24-EI-DC Catalyst 2950 24-Port Fast Ethernet Switch, 2x1G GBIC Uplinks, Enhanced ImageWS-C2950G-24-EI-DCCisco WS-C2950G-24-EI Catalyst 2950 24-Port Fast Ethernet Switch, 2x1G GBIC Uplinks, Enhanced ImageWS-C2950G-24-EICisco Catalyst 2950C Managed Switch, 24x 10/100 RJ-45 Ports, 2x 100BASE-FX UplinksWS-C2950C-24Cisco WS-C2950G-12-EI Catalyst 2950 12-Port Fast Ethernet Switch, 2x1G GBIC UplinksWS-C2950G-12-EI
Ethernet TechnologyFast EthernetFast EthernetFast EthernetFast EthernetFast Ethernet
Form FactorRack-Mount 1URack-Mount 1URack-Mount 1URack-Mount 1URack-Mount 1U
Manufacturer Part NumberWS-C2950G-48-EIWS-C2950G-24-EI-DCWS-C2950G-24-EIWS-C2950C-24WS-C2950G-12-EI
Switching Capacity13.6 Gbps8.8 Gbps8.8 Gbps8.8 Gbps13.6 Gbps

Compliance & Warranty

ISO 27001
ISO 45001
RoHS
REACH
FCC
CE
UKCA
VCCI
ISO 9001
ISO 14001

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Questions & Answers

What does the WS-C2950G-48-EI part number mean?

WS-C2950G-48-EI identifies a Catalyst 2950 switch with GBIC-based Gigabit Ethernet uplinks; 48 denotes the 48 10/100 access ports, and EI denotes Enhanced Image software. The configuration includes two GBIC slots. The Gigabit designation concerns the uplinks, not Gigabit-speed access ports.

How is WS-C2950G-48-EI managed?

WS-C2950G-48-EI supports web-based Device Manager or CMS, Cisco Network Assistant, and Cisco IOS CLI access through console, Telnet or SSH with a cryptographic image. Additional administration paths include SNMP management and CiscoView. Cisco Intelligence Engine 2100 supports configuration automation. Confirm the installed image when encrypted management is required.

Is WS-C2950G-48-EI discontinued?

WS-C2950G-48-EI is discontinued and belongs to the retired Catalyst 2950 series, for which Cisco support has ended. New sealed condition does not change that retirement status or reinstate Cisco support. Treat the purchase as legacy replacement hardware and specify independent service arrangements before issuing the purchase order.

What conditions and warranties does ORM Systems offer for WS-C2950G-48-EI?

ORM Systems offers WS-C2950G-48-EI new sealed with up to 3-year extended warranty or certified refurbished with up to 1 year. Refurbished units are inspected and bench-tested. Returns are 30 days on every condition; terms apply. Cisco's original Limited Lifetime hardware warranty is no longer active because the Catalyst 2950 series is retired.

Which transceivers fit the WS-C2950G-48-EI uplinks?

WS-C2950G-48-EI accepts GBIC transceivers, including WS-G5483 for 1000BASE-T, WS-G5484 for 1000BASE-SX, WS-G5486 for 1000BASE-LX/LH and WS-G5487 for 1000BASE-ZX. These are GBIC connections rather than SFP connections. Specify the required media type and matching cabling instead of assuming an existing SFP can be reused.

Can WS-C2950G-48-EI form a physical stack?

WS-C2950G-48-EI supports GigaStack GBIC interconnection through WS-X3500-XL, with nine switches in a daisy chain sharing 1 Gbps forwarding bandwidth. A point-to-point connection provides 2 Gbps forwarding bandwidth. The interconnect occupies a GBIC slot; specify WS-X3500-XL and its included cable rather than assuming dedicated rear stacking ports.

Does WS-C2950G-48-EI have redundant internal power supplies?

No, WS-C2950G-48-EI does not have a second internal PSU bay. The fixed internal AC supply can be backed up by PWR300-AC-RPS-N1, an external system supporting six connected devices but only one failed device at a time. That arrangement is external backup rather than dual internal power supplies.

Can the Catalyst 2950 route between VLANs?

No, the Catalyst 2950 is a Layer 2 switch and does not route between VLANs. Enhanced Image supplies security filtering and traffic-priority controls rather than IP routing. Specify upstream routing separately when different VLANs must communicate, rather than treating the software image suffix as a routing license.

Does WS-C2950G-48-EI supply PoE to endpoints?

No, WS-C2950G-48-EI does not supply PoE through its access ports. Its internal supply powers the switch electronics rather than connected Ethernet endpoints. Phones, access points and other devices requiring Ethernet power need a separate power arrangement; the Enhanced Image software does not add endpoint-power hardware.

What is the difference between WS-C2950G-48-EI and WS-C2950G-24-EI?

WS-C2950G-48-EI provides 48 10/100 access ports, while WS-C2950G-24-EI provides 24; both have two GBIC uplink slots and Enhanced Image. Both models are discontinued. The 48-port configuration matches a higher-density legacy installation, while the 24-port configuration matches a smaller existing access requirement.

What is the difference between WS-C2950G-48-EI and WS-C2950G-24-EI-DC?

WS-C2950G-48-EI uses internal AC power, while WS-C2950G-24-EI-DC uses DC power and has 24 rather than 48 access ports. Both configurations carry two GBIC uplink slots and Enhanced Image. Both are discontinued; the distinction matters when matching an existing AC-powered installation or a smaller DC-powered installation.

What is the difference between WS-C2950G-48-EI and WS-C2950SX-48-SI?

WS-C2950G-48-EI carries Enhanced Image, while WS-C2950SX-48-SI carries Standard Image. Enhanced Image adds rate limiting and security filtering to the basic switching services. Both models are discontinued; the EI configuration matches legacy policies requiring those controls, while the SI configuration matches installations using the basic software feature set.