Маршрутизатор Cisco C921-4P

2 x GE

• Routing Information Protocol Versions 1 and 2 (RIPv1 and RIPv2)
• Generic Routing Encapsulation (GRE) and Multipoint GRE (MGRE)
• Cisco Express Forwarding
• Standard 802.1d Spanning Tree Protocol
• Layer 2 Tunneling Protocol (L2TP)
• L2TP Version 3 (L2TPv3)
• Network Address Translation (NAT)
• Dynamic Host Configuration Protocol (DHCP) server, relay, and client
• Dynamic DNS
• DNS Proxy and DNS Spoofing
• Access Control Lists (ACLs)
• IPv4 and IPv6 multicast
• Open Shortest Path First (OSPF)
• Border Gateway Protocol (BGP)
• Performance Routing (PfR)
• Enhanced Interior Gateway Routing Protocol (EIGRP)
• Virtual Route Forwarding (VRF) Lite
• Next Hop Resolution Protocol (NHRP)
• Bidirectional Forwarding Detection (BFD)
• Web Cache Communication Protocol (WCCP)

• Auto Media Device In/Media Device Cross Over (MDI-MDX)
• 25 802.1Q VLANs
• MAC filtering
• Switched Port Analyzer (SPAN)
• Storm control
• Smart ports
• Secure MAC address
• Internet Group Management Protocol Version 3 (IGMPv3) snooping
• 802.1X

• Secure Sockets Layer (SSL) VPN for secure remote access
• Hardware-accelerated DES, 3DES, AES 128, AES 192, and AES 256
• Public-Key-Infrastructure (PKI) support
• 50 IPsec tunnels
• Cisco Easy VPN client and server
• NAT transparency
• Dynamic Multipoint VPN (DMVPN)
• Tunnel-less Group Encrypted Transport VPN (GET VPN)
• VRF-aware IPsec
• IPsec over IPv6
• Adaptive control technology
• Session Initiation Protocol (SIP) application-layer gateway
• Cisco IOS Firewall:
• Zone-based policy firewall
• VRF-aware stateful inspection routing firewall
• Stateful inspection transparent firewall
• Advanced application inspection and control
• HTTPS, FTP, and Telnet Authentication Proxy
• Dynamic and static port security
• Firewall stateful failover
• VRF-aware firewall
• Cisco IOS Software blocked and allowed lists
• Control plane policing
• Flexible packet matching
• Network foundation protection

• Low-Latency Queuing (LLQ)
• Weighted Fair Queuing (WFQ)
• Class-Based WFQ (CBWFQ), Class-Based Traffic Shaping (CBTS), Class-Based Traffic Policing (CBTP)
• Policy-Based Routing (PBR)
• Class-Based QoS MIB
• Class of Service (CoS)-to-Differentiated Services Code Point (DSCP) mapping
• Class-Based Weighted Random Early Detection (CBWRED)
• Network-Based Application Recognition (NBAR)
• Link Fragmentation and Interleaving (LFI)
• Resource Reservation Protocol (RSVP)
• Real-Time Transport Protocol (RTP) header compression (cRTP)
• Differentiated Services (DiffServ)
• QoS preclassify and prefragmentation
• Hierarchical QoS (HQoS)

• Cisco Configuration Professional
• Cisco Configuration Express
• Cisco Configuration Engine support
• Cisco AutoInstall
• Cisco IP Service-Level Agreement (IP SLA)
• Cisco IOS Embedded Event Manager (EEM)
• Cisco Security Manager
• Telnet, Simple Network Management Protocol Version 3 (SNMPv3), Secure Shell (SSH) Protocol, Command-Line Interface (CLI), and HTTP management
• RADIUS and TACACS+
• Cisco Next Generation Plug-and-Play (NG PnP) Protocol

• Virtual Router Redundancy Protocol (VRRP) (RFC 2338)
• HSRP
• MHSRP

• Ethernet OA&M
• Ethernet Local Management Interface (E-LMI)
• IP SLA for Ethernet

• IPv6 addressing architecture
• IPv6 name resolution
• IPv6 statistics
• IPv6 translation: Transport packets between IPv6-only and IPv4-only endpoints (NAT-Protocol Translation)
• Internet Control Message Protocol Version 6 (ICMPv6)
• IPv6 DHCP
• OSPFv3
• BGP4+
• IPv6 Path Maximum Transmission Unit (PMTU)
• IPv6 neighbor discovery
• IPv6 stateless address autoconfiguration (SLAAC)
• IPv6 multicast routing

• NBAR2
• Flexible NetFlow (FNF)
• Performance Agent

• Переменный ток  100...240В, частотой 50...60Гц
• Внутренний блок питания

• 1x green per Ethernet 
• 2x green DSL - CD+Data 
• 1x bicolor LED LTE RSSI 
• 1x green LED LTE SIM/Activity 
• VPN 
• System OK

• ACS-900-RM-19(=) - Rack-mount kit for 900 Series ISRs
• ACS-900-DM(=) - Under-the-desk mount kit for all 900 Series ISRs