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Коммутатор Cisco Catalyst WS-C4948E-S

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WS-C4948E-S
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Рекомендованная цена: 280 000.00 Р
145 000.00 Р
Вы экономите: 135 000.00 Р
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Коммутатор Layer3, 48 портов 10/100/1000BaseT, 4 порта SFP+ 10G, блок питания AC, поток воздуха - Front-to-Back.

Характеристики:

Feature

Specification

Layer 2 features

• Layer 2 switch ports and VLAN trunks

• IEEE 802. 1Q VLAN encapsulation

• Dynamic Trunking Protocol (DTP)

• VLAN Trunking Protocol (VTP) and VTP domains

• VTP Pruning

• PVST and PVST+

• Flexlink

• Spanning Tree PortFast and PortFast Guard

• Spanning Tree UplinkFast and BackboneFast

• IEEE 802.1s

• IEEE 802.1w

• IEEE 802.3ad

• Spanning Tree Root Guard

• Cisco Discovery Protocol Versions 1 and 2

• IGMPv1, v2, and v3 snooping

• Cisco EtherChannel technology, Cisco Fast EtherChannel technology, and Cisco Gigabit EtherChannel technology

• Port Aggregation Protocol (PAgP)

• Link Aggregation Control Protocol (LACP)

• Unidirectional link detection (UDLD) and aggressive UDLD

• IEEE 802.1 QinQ in hardware

• Layer 2 protocol tunneling

• Multilayer jumbo frames (up to 9216 bytes)

• Baby giants (up to 1600 bytes)

• Unidirectional Ethernet

• Storm control (formally known as broadcast and multicast suppression)

• Private VLANs (PVLANs)

• Forced 10/100 autonegotiation

• Web Content Communication Protocol (WCCP) Version 2 Layer 2 redirect

• Private VLAN promiscuous trunk

• Layer 2 promiscuous trunk over trunk port (L2PT)

• Class-of-service (CoS) mutation

• E-OAM IEEE 802.3ah and CFM IEEE 802.1ag

Layer 3 features

• Jumbo frames on all ports (up to 9216 bytes)

• Hardware-based IP Cisco Express Forwarding routing

• IP Routing Protocols: EIGRP, OSPF, RIP, IS-IS, and RIP2

• BGP4 and Multicast BGP (MBGP)

• NSF awareness

• Hot Standby Router Protocol (HSRP) Versions 1 and 2

• Software routing of Internetwork Packet Exchange (IPX) and AppleTalk

• IGMPv1, v2, and v3

• IGMP filtering on access and trunk ports

• IP Multicast Routing Protocols: PIM, SSM, and Distance Vector Multicast Routing Protocol (DVMRP)

• Auto-rendezvous point (Auto-RP)

• Pragmatic General Multicast (PGM)

• Cisco Group Multicast Protocol server

• Full Internet Control Message Protocol (ICMP) support

• ICMP Router Discovery Protocol

• PBR

• VRF-Lite

• VRF-aware IP services

• OSPF fast convergence

• OSPF and EIGRP fast-convergence protection

• EIGRP stub

• Virtual Router Redundancy Protocol (VRRP)

• IP unnumbered for SVI

• NSF awareness

• Web Cache Communications Protocol (WCCP) Version 2 (future)

• GLBP

High-availability features

• 1+1 hot swappable AC or DC power supplies

• Hot-swappable field-replaceable fan tray with redundant fans

• HSRPv1 and v2

• VRRP

• Cisco IOS EEM

• Cisco Generic Online Diagnostics (GOLD)

• Smart Call Home

IPv6 support

• RIP next generation (RIPng) for IPv6

• OSPFv3

• EIGRP

• PIMv6 (SM)

• IPv6 unicast and multicast forwarding in hardware

• IPv6 addressing architecture

• Cisco Discovery Protocol IPv6 address family

• Cisco Express Forwarding and Distributed Cisco Express Forwarding in hardware

• Extended ACL

• ICMP rate limiting

• ICMPv6

• ICMPv6 redirect

• IP MIB

• IPv6 over IEEE 802.1Q

• IPv6 over IPv4 GRE tunnel (tunnel support in software)

• Intrasite Automatic Tunnel Addressing Protocol (ISATAP)

• Loopback

• MLD snooping

• MLDv1 and v2

• Maximum transmission unit (MTU) path discovery for IPv6

• Ping

• IPv6: Secure Shell (SSH) over an IPv6 transport

• Stateless autoconfiguration

• Static routes within IPv6

• Authentication, authorization, and accounting (AAA)

• Telnet

• Trivial FTP (TFTP)

• Traceroute

• Duplicate address detection

• Standard ACL

• IPv6 t

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