NETGEAR 48x10/100/1000 L2, Manag,4xSFP, GSM7248

Physical Interfaces RJ-45 Connectors for 10BASE-T, 100BASE-TX, and 1000BASE-T (Auto Uplink™ on all ports): GSM7224-200 24 ports GSM7248-200 48 ports Small form-factor pluggable (SFP) modules for fiber Gigabit Ethernet interfaces: GSM7224-200 4 slots GSM7248-200 4 slots RS-232 console port Layer 2 Services IEEE 802.1Q static VLAN (1024) IEEE 802.1p Class of Service (CoS) IEEE 802.1D Spanning Tree Protocol IEEE 802.1v Protocol VLAN & Port VLAN and MAC-based VLAN Voice VLAN Guest VLAN IP subnet-based VLAN IEEE 802.1 Q-in-Q 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, v3 snooping support IGMP querier Static multicast filtering Ingress rate limit in 1 Kbps increments Weighted round robin (WRR) queue technology MLD v1, v2 snooping Layer 3 Services Static routing ARP Security Access Control Lists (ACL) - MAC, IP, TCP ACLs: L2/L3/L4 Network storm protection including broadcast multicast and unicast traffic Protected ports MAC filtering Private group CoS Diffserv QoS (RFC 2998) IEEE 802.1x port access authentication Port security DoS DHCP snooping IP Source Guard Dynamic ARP inspection RADIUS (RFC 2865) RADIUS accounting (RFC 2866) TACACS+ 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 Private Enterprise MIB Port mirroring support (many-to-one) DHCP/BOOTP relay-primary and backup (RFC 3046, option 82) RFC 2030 Simple Network Time Protocol (SNTP) DHCP server DHCP L2 relay IEEE 802.1AB Link Layer Discovery Protocol (LLDP) ANSI/TIA-1057 LLDP Media Endpoint Discovery (LLDP-MED) DHCP relay (with backup servers) GARP/GVRP/GMRP SYSLOG TFTP, SFTP, HTTP, SCP, or local USB flash firmware upgrade Port description RFC 1519 CIDR Proxy ARP DNS lookup Single IP Address Management (firmware version 7.3 or higher) Manage up to 48 fully managed switches Feature can be used with the following models: FSM726E, FSM7226RS, FSM7250RS FSM7328S, FSM7352S, FSM7328PS, FSM7352PS GSM7224R, GSM7248R GSM7328S, GSM7328FS, GSM7352S FSM726v3 GSM7224-200 GSM7248-200 Performance Specifications Forwarding modes: Store-and-forward Bandwidth: GSM7224-200: 48 Gbps; 35.7 Mpps GSM7248-200: 96 Gbps; 71.4 Mpps Switch latency: 20 us for 64-byte frames (1 G to 1 G) System memory: 128 MB Packet buffer memory: GSM7224-200: max support 0.75 MB buffer memory GSM7248-200: max support 1.5 MB buffer memory Code storage (flash): 32 MB Address database size: 8 K media access control (MAC) addresses Number of VLANs: 1024 (1-4093) Number of trunks: 64 Number of queues: 8 Number of static route: 32 Number of routed VLANs: 32 Number of ARP entries: 480 Number of ACL rules: 224 Jumbo frame support: up to 9 K packet size Acoustic noise: GSM7224-200: 38.6 dB GSM7248-200: 48.8 dB Heat dissipation: GSM7224-200: 131.439 BTU/hr GSM7248-200: 244.101 BTU/hr Mean time between failures (MTBF): GSM7224-200: 239,032 hours (~27 years) GSM7248-200: 162,303 hours (~19 years) User Interfaces Command Line Interface (CLI) via console port (5 sessions) Web-based management via embedded HTTP server protected with Secure Sockets Layer (SSLv3) or Transport Layer Security (TLS v1) Telnet remote login (5 sessions) securable with Secure Shell (SSH v1.5, v2) LEDs Per port: Speed, link, activity Per device: Power, fan, RPS status Network Standards Compatibility IEEE 802.3i 10BASE-T IEEE 802.3u 100BASE-TX, 100BASE-FX IEEE 802.3ab 1000BASE-T IEEE 802.3z 1000BASE-X IEEE 802.3x flow control Physical Specifications Dimensions (w x d x h): 440 x 205 x 43 m