(a) does this particular item come with the rack mount ears, so as to mount it in a rack? (b) if so, does it only connect to a rack at the front, or both front & rear (therefore do we need two sets of ears?) Thanks..........Stephen

The rack-mounting brackets mount on the front side (held to the switch frame with four countersink screws). The brackets are stout enough to support the cantilevered weight of the switch when installed into a standard rack. Obviously, you want to avoid using it as a "support" for other rack-mounted units above it.

Is this a router+switch or only a switch?

This is a layer 2 switch with some layer three features. It is an excellent switch, particularly of you are a heavy VLAN user. I would not recommend it in place of a real router.

Does this model SUPPORT"RFC 3046 DHCP"?

I'm not technical to help answer your question. I'm sorry.

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NETGEAR 24-Port Fully Managed Switch M4100-26G, 4xSFP, Fiber Uplinks, Routing, ProSAFE Lifetime Protection (GSM7224)

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Managed switch with industry-standard CLI, telnet and fully functional web interface
Best combination of wire speed performance, security and convergence
Easy to set up and use with automatic VoIP and IP Cameras - including VLAN routing wizard
24 Ports Gigabit with 4 Fiber (SFP) uplinks
24 Ports PoE+ 802.at with 380W power budget expendable to 720W (EPS)

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Model
Brand	NETGEAR
Series	ProSafe
Model	GSM7224-200NAS

Format & Standards
Format	Rackmount
Standards	IEEE 802.3i 10BASE-T IEEE 802.3u 100BASE-TX IEEE 802.3ab 1000BASE-T IEEE 802.3z 1000BASE-X IEEE 802.3x Flow Control
Network Management Type	Smart

Ports & Interface
Uplink Ports	6
Uplink Interface	SFP & RJ45
Uplink Speed	10/100/1000 Mbps
Primary Ports	24 x RJ-45, 4 x SFP, 1 x RS-232
Primary Port Speed	10/100/1000Mbps

Data Transmission
MAC Address Table	16K
Switching Method	Store and Forward
VLAN Support	IEEE 802.1Q Static VLAN (512) Number of VLANs: 512 (1-4096) Number of trunks: 6 Number of Queues: 4
Jumbo Frames	up to 9K packet size
Buffer Memory	122 KB embedded memory per port

Details
Protocols	TCP/IP
Stackable	No
SNMP	Yes
QoS	Yes
LACP	Yes
Layer	Layer 3 Light
Port Mirroring	Yes
Module Support	Yes
LEDs	Per port: Speed, Link, Activity Per device: Power, Fan Status

Dimensions & Weight
Dimensions	17.3" x 10.2" x 1.7"
Weight	9.2 lbs.

Environmental
Temperature	0°C to 40°C (32°F to 104°F)
Humidity	90% Maximum, Non-condensing

Features
Features	Forwarding modes: Store-and-forward Bandwidth: 48 Gbps (non-blocking) Switch latency: 20 us for 64-byte frames (1G to 1G) System memory: 64 MB Acoustic noise: 60 dB Heat Dissipation: 28.24 BTU/hr Mean Time Between Failure (MTBF): > 57,000 hours (> 6 years) User Interfaces Command Line Interface (CLI) via console port (4 sessions) Web-based management via embedded HTTP server protected with Secured Sockets Layer (SSLv3) or Transport Layer Security (TLS v1) Telnet remote login (5 sessions) securable with Secured Shell (SSH v1.5, v2) Layer 2 Services: IEEE 802.1Q Static VLAN (512) IEEE 802.1p Class of Service (CoS) IEEE 802.1D Spanning Tree Protocol IEEE 802.1v Protocol VLAN & Port VLAN IEEE 802.1 Q-inQ IEEE 802.1w Rapid Spanning Tree IEEE 802.1s Multiple Spanning Tree IEEE 802.3ad Link Aggregation (LACP) IEEE 802.1x Port Access Authentication IGMP v1, v2 Snooping Support Network Storm Protection including Broadcast, multicast and unicast traffic Static multicast filtering Ingress Rate Limit in 1Kbps increments Weighted Round Robin (WRR) Query Technology Switch Management Specifications: SNMP v1, v2c, v3 with multiple IP addresses RFC 1157, 1902-1907 RFC 768 UDP UDP Relay RFC 854-859 Telnet RFC 951 BootP RFC 1213 MIB II RFC 1757 RMON groups 1,2,3, and 9 RFC 1215 SNMP Traps RFC 1493 Bridge MIB RFC 1643 Ethernet Interface MIB RFC 1534 DHCP and BootP Interoperation RFC 2131, 2132 DHCP and BootP RFC 2865 RADIUS (both switch and management access) RFC 2866 RADIUS Accounting Private Enterprise MIB Port Mirroring Support (many to one) RFC 2236 IGMP v2 IGMP Querier - DiffServ QOS (RFC 2998) DHCP/Bootp Relay -primary and backup (RFC3046, option 82) RFC 2030 Simple Network Time Protocol (SNTP) SYSLOG Firmware upgrade via TFTP or HTTP Port Description For ProSafe Lifetime Warranty please see: http://www.netgear.com/warranty Power Adapter Warranty : 2 years

Packaging
Package Contents	GSM7224 2 x Resource Disk Power Cord Console Cable Rack mount kit

Additional Information
First Listed on Newegg	November 17, 2005

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Limited Warranty period (parts): Lifetime
Limited Warranty period (labor): Lifetime
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Return for refund within: 45 days

Return for replacement within: 1 year

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NETGEAR 24-Port Fully Managed Switch M4100-26G, 4xSFP, Fiber Uplinks, Routing, ProSAFE Lifetime Protection (GSM7224)

Learn more about the Netgear Inc. GSM7224-200NAS

Customer Reviews of the Netgear Inc. GSM7224-200NAS

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Return Policies

Manufacturer Contact Info

Item#: N82E16833122074

NETGEAR 24-Port Fully Managed Switch M4100-26G, 4xSFP, Fiber Uplinks, Routing, ProSAFE Lifetime Protection (GSM7224)

Learn more about the Netgear Inc. GSM7224-200NAS

Customer Reviews of the Netgear Inc. GSM7224-200NAS

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Return Policies

Manufacturer Contact Info