Cisco business 250 series es la próxima generación de conmutadores inteligentes asequibles que combinan un potente rendimiento y fiabilidad de la red con un conjunto completo de funciones de red que necesita para una red empresarial sólida.

Estos potentes conmutadores gigabit ethernet, con enlaces ascendentes gigabit o 10 gigabit ethernet, brindan múltiples opciones de administración, capacidades de seguridad sofisticadas y características de calidad de servicio (Qos) ajustadas y enrutamiento estático de capa 3 mucho más allá de las de un conmutador no administrado o de nivel de consumidor.

a un costo menor que para los conmutadores totalmente administrados.

Y con una interfaz de usuario web fácil de usar y la capacidad power over ethernet plus (Poe +), puede implementar y configurar una red empresarial completa en minutos.

Capacidad de conmutación 56 gbps .

tabla de direcciones mac 8000 direcciones .

jumbo frame hasta 9K bytes.

La mtu predeterminada es 2K bytes frame sizes up to 9K bytes.

The default mtu is 2K bytes .

puertos totales del sistema 28 gigabit ethernet .

puertos rj-45 24 gigabit ethernet .

puertos combo (Rj-45 + sfp) 4 sfp .

energía dedicada a poe 100W .

numero de puestos que soportan poe 24 .

dimensiones 445 x 299 x 44 mm (17.5 x 11.76 x 1.73 pulgadas) .

peso 3.53 kg (7.78 lb) .

layer 2 switching .

spanning tree protocol (Stp) standard 802.1D spanning tree support .

fast convergence using 802.1W (Rapid spanning tree protocol [Rstp]), enabled by default .

multiple spanning tree instances using 802.1S (Mstp).

8 instances are supported .

per-Vlan spanning tree plus (Pvst+).

126 instances are supported .

rapid pvst+ (Rpvst+).

126 instances are supported .

port grouping/Link aggregation support for ieee 802.3Ad link aggregation control protocol (Lacp) .

and #9679;  up to 4 groups .

and #9679;  up to 8 ports per group with 16 candidate ports for each (Dynamic) 802.3Ad link aggregation group (Lag) .

vlan support for up to 255 active vlans simultaneously .

port-Based and 802.1Q tag-Based vlans .

management vlan .

guest vlan .

voice vlan voice traffic is automatically assigned to a voice-Specific vlan and treated with appropriate levels of qos.

Auto voice capabilities deliver networkwide zero-Touch deployment of voice endpoints and call control devices .

generic vlan registration protocol (Gvrp) and generic attribute registration protocol (Garp) protocols for automatically propagating and configuring vlans in a bridged domain .

igmp (Versions 1, 2, and 3) snooping internet group management protocol (Igmp) limits bandwidth-Intensive multicast traffic to only the requesters.

Supports 255 multicast groups (Source-Specific multicasting is also supported) .

igmp querier used to support a layer 2 multicast domain of snooping switches in the absence of a multicast router .

hol blocking head-Of-Line (Hol) blocking prevention .

loopback detection provides protection against loops by transmitting loop protocol packets out of ports on which loop protection has been enabled.

It operates independently of stp.

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layer 3 routing .

ipv4 routing wire-Speed routing of ipv4 packets .

up to 32 static routes and up to 16 ip interfaces .

ipv6 routing wire-Speed routing of ipv6 packets .

layer 3 interface configuration of layer 3 interface on physical port, lag, vlan interface, or loopback interface .

classless interdomain routing (Cidr) support for cidr .

dynamic host configuration protocol (Dhcp) relay at layer 3 relay of dhcp traffic across ip domains .

user datagram protocol (Udp) relay relay of broadcast information across layer 3 domains for application discovery or relaying of bootstrap protocol (Bootp)/Dhcp packets .

security .

secure sockets layer (Ssl) ssl encrypts all https traffic, allowing secure access to the browser-Based management gui in the switch .

secure shell (Ssh) protocol ssh is a secure replacement for telnet traffic.

Secure copy (Scp) also uses ssh.

Ssh v1 and v2 are supported.

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ieee 802.1X (Authenticator role) remote authentication dial-In user service (Radius) authentication, guest vlan, single/Multiple host mode, and single/Multiple sessions .

stp loopback guard provides additional protection against layer 2 forwarding loops (Stp loops) .

secure core technology (Sct) ensures that the switch will receive and process management and protocol traffic no matter how much traffic is received .

secure sensitive data (Ssd) a mechanism to manage sensitive data (Such as passwords, keys, and so on) securely on the switch, populating this data to other devices, and secure autoconfig.

Access to view the sensitive data as plain text or encrypted is provided according to the user-Configured access level and the access method of the user .

trustworthy systems trustworthy systems provide a highly secure foundation for cisco products .

run-Time defenses (Executable space protection [X-Space], address space layout randomization [Aslr], built-In object size checking [Bosc]) .

port security ability to lock source mac addresses to ports and limit the number of learned mac addresses .

radius supports radius authentication for management access.

Switch functions as a client.

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storm control broadcast, multicast, and unknown unicast .

dos prevention denial-Of-Service (Dos) attack prevention .

multiple user privilege levels in cli level 1, 7, and 15 privilege levels .

access control lists (Acls) support for up to 512 rules .

drop or rate limit based on source and destination mac, vlan id or ipv4 or ipv6 address, ipv6 flow label, protocol, port, differentiated services code point (Dscp)/Ip precedence, tcp/Udp source and destination ports, 802.1P priority, ethernet type, internet control message protocol (Icmp) packets, igmp packets, tcp flag.

Acl can be applied on both ingress and egress sides .

time-Based acls supported .

quality of service .

priority levels 8 hardware queues .

scheduling strict priority and weighted round-Robin (Wrr) queue assignment based on dscp and class of service (802.1P/Cos) .

class of service port based.

802.1P vlan priority based.

Ipv4/V6 ip precedence/Type of service (Tos)/Dscp based.

Differentiated services (Diffserv).

Classification and re-Marking acls, trusted qos .

rate limiting ingress policer.

Egress shaping and rate control.

Per vlan, per port, and flow based .

congestion avoidance a tcp congestion avoidance algorithm is required to reduce and prevent global tcp loss synchronization .

standards .

standards ieee 802.3 10Base-T ethernet, ieee 802.3U 100Base-Tx fast ethernet, ieee 802.3Ab 1000Base-T gigabit ethernet, ieee 802.3Ad link aggregation control protocol, ieee 802.3Z gigabit ethernet, ieee 802.3X flow control, ieee 802.3 ad lacp, ieee 802.1D (Stp), ieee 802.1Q/P vlan, ieee 802.1W rstp, ieee 802.1S multiple stp, ieee 802.1X port access authentication, ieee 802.3Af, ieee 802.3At, rfc 768, rfc 783, rfc 791, rfc 792, rfc 793, rfc 813, rfc 879, rfc 896, rfc 826, rfc 854, rfc 855, rfc 856, rfc 858, rfc 894, rfc 919, rfc 920, rfc 922, rfc 950, rfc 951, rfc 1042, rfc 1071, rfc 1123, rfc 1141, rfc 1155, rfc 1157, rfc 1213, rfc 1215, rfc 1286, rfc 1350, rfc 1442, rfc 1451, rfc 1493, rfc 1533, rfc 1541, rfc 1542, rfc 1573, rfc 1624, rfc 1643, rfc 1700, rfc 1757, rfc 1867, rfc 1907, rfc 2011, rfc 2012, rfc 2013, rfc 2030, rfc 2131, rfc 2132, rfc 2233, rfc 2576, rfc 2616, rfc 2618, rfc 2665, rfc 2666, rfc 2674, rfc 2737, rfc 2819, rfc 2863, rfc 3164, rfc 3411, rfc 3412, rfc 3413, rfc 3414, rfc 3415, rfc 3416, rfc 4330 .

ipv6 .

ipv6 ipv6 host mode .

ipv6 over ethernet .

dual ipv6/Ipv4 stack .

ipv6 neighbor discovery (Nd) .

ipv6 stateless address auto configuration .

path maximum transmission unit (Mtu) discovery .

duplicate address detection (Dad) .

internet control message protocol (Icmp) version 6 .

ipv6 over ipv4 network with intrasite automatic tunnel addressing protocol (Isatap) support .

usgv6 and ipv6 gold logo certified .

ipv6 qos prioritize ipv6 packets in hardware .

ipv6 acl drop or rate limit ipv6 packets in hardware .

multicast listener discovery (Mld v1/2) snooping deliver ipv6 multicast packets only to the required receivers .

ipv6 applications web/Ssl, telnet server/Ssh, ping, traceroute, simple network time protocol (Sntp), trivial file transfer protocol (Tftp), simple network management protocol (Snmp), remote authentication dial-In user service (Radius), syslog, dns client, dhcp client, dhcp autoconfig .

ipv6 rfcs supported rfc 4443 (Which obsoletes rfc 2463): icmpv6 .

rfc 4291 (Which obsoletes rfc 3513): ipv6 address architecture .

rfc 4291: ipv6 addressing architecture .

rfc 2460: ipv6 specification .

rfc 4861 (Which obsoletes rfc 2461): neighbor discovery for ipv6 .

rfc 4862 (Which obsoletes rfc 2462): ipv6 stateless address autoconfiguration .

rfc 1981: path mtu discovery .

rfc 4007: ipv6 scoped address architecture .

rfc 3484: default address selection mechanism .

rfc 5214 (Which obsoletes rfc 4214): isatap tunneling .

rfc 4293: management information base (Mib) ipv6: textual conventions and general group .

rfc 3595: textual conventions for ipv6 flow label

GARANTÍA: 3 mESES

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