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    C921-4P
    Cisco 921 Gigabit Ethernet security router with internal power supply
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    C921-4P Overview

    C921-4P is the Cisco 921 Gigabit Ethernet security router with internal power supply. Cisco 900 Series ISRs deliver integrated security and threat defense, protecting networks from both known and new Internet vulnerabilities and attacks. These powerful, fixed-configuration routers provide secure broadband and Metro Ethernet connectivity. Service providers offering managed Ethernet WAN services can deploy them in customer locations as CPE. Centralized and remote management capabilities are available through web-based tools and Cisco IOS® Software for full visibility and control of network configurations at the remote site. The 900 Series ISRs simplify the deployment of Ethernet WAN services, with end-to-end Operations, Administration, and Maintenance (OA&M), Service-Level Agreement (SLA) monitoring and verification, and configuration management. This series ISRs come with a 4-port managed switch, providing LAN ports to connect multiple devices.


    Quick Spec

    Table 1 shows the quick spec.

    SKU

    C921-4P

    WAN interfaces

    2 ports Gigabit Ethernet (GE)

    LAN interfaces

    4-port GE managed switch

    Integrated USB 2.0

    Yes

    Default and maximum DRAM

    Default 1 GB

    Default and maximum flash memory

    2 GB; not upgradable

    Dimensions (H x W x D)

    1.70 x 9.0 x 9.5 in. (4.32 x 22.86 x 24.13 cm) (includes rubber feet)

    The Options

    Table 2 shows the optional accessories.

    Model

    Description

    CAB-C13-ACB

    AC Power Cord (Brazil), C13, NBR 14136, 2.1M

    CAB-ACE=

    AC Power Cord (Europe), C13, CEE 7, 1.5M

    CAB-ACC

    Power Cord - China

    CAB-IND

    AC Power Cord (India)

    CAB-AC=

    AC Power Cord (North America), C13, NEMA 5-15P, 2.1m

    CAB-ACI=

    AC Power Cord (Italy), C13, CEI 23-16, 2.5m

    PWR-CORD-KOR-B

    Power Cord for South Korea 2m 10A

    CAB-JPN

    AC Power Cord (Japan), C13, JIS C 8303, 2.5m

    CAB-C13-C14-2M-JP

    Power Cord C13-C14, 2M/6.5ft Japan PSE mark

    CAB-ACTW

    AC Power Cord (Taiwan), C13, EL 302, 2.3M

    CAB-3P-JPN

    AC Power Cord (Japan), C13, 3 Prong Plug, 2.3M

    CAB-ACA

    AC Power Cord (Australia), C13, AS 3112, 2.5m

    PWR-CORD-ZAF-D

    Power Cord South Africa

    CAB-CONSOLE-RJ45

    Console Cable 6ft with RJ45 and DB9F

    CAB-CONAUX

    Straight serial cable - RJ45 to DB25 male

    CAB-ETH-S-RJ45

    Yellow Cable for Ethernet, Straight-through, RJ-45, 6 feet

    Compare to Similar Item

    Table 3 shows the comparison.

    Model

    WAN interfaces

    LAN interfaces

    Integrated USB 2.0

    C921-4P

    2 ports Gigabit Ethernet (GE)

    4-port GE managed switch

    Yes

    C931-4P

    2 ports GE

    4-port GE managed switch

    Yes

    C927-4P

    1 port GE and 1 VADSL (Annex A)

    4-port GE managed switch

    Yes

    C926-4P

    1 port GE and 1 VADSL (Annex B/J)

    4-port GE managed switch

    Yes

    C927-4PM

    1 port GE and 1 VADSL (Annex M)

    4-port GE managed switch

    Yes

    C921-4P Specification 

    C921-4P Specification

    WAN interfaces

    2 ports Gigabit Ethernet (GE)

    LAN interfaces

    4-port GE managed switch

    Integrated USB 2.0

    Yes

    Maximum crypto throughput (bit-rate policed)

    150 Mbps

    Cisco IOS Software

    IP and IP services

    ●  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

    ●  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)

    xDSL

    ●  True Multimode VDSL2 and ADSL2+ over Annex A, B, J, and M, including traditional G.DMT and T1.413

    ●  World-class interoperability with industry-standard DSL Access Multiplexer (DSLAM) chipsets

    ●  Highest field reliability with Impulse Noise Protection (INP) over Repetitive Electrical Impulse Noise (REIN) and single isolated impulse noise (SHINE), extended INP delay, G.INP, physical layer retransmission, Seamless Rate Adaptation (SRA), and Bitswap

    ●  VDSL2 Persistent Storage Device (PSD) profiles up to 17a/b with support for spectral shaping

    ●  VDSL2 vectoring to offer blazing fiber speeds over copper

    ●  Remote management with TR069 and CWMP

    ●  Investment protection with Gigabit Ethernet

    Switch features

    ●  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

    Security features

    Secure connectivity:

    ●  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 black and white lists

    ●  Integrated threat control:

    ◦   Intrusion Prevention System (IPS)

    ●  Control plane policing

    ●  Flexible packet matching

    ●  Network foundation protection

    Quality of Service (QoS)

    ●  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)

    Management

    ●  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)

    ●  CiscoWorks

    ●  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

    High availability

    ●  Virtual Router Redundancy Protocol (VRRP) (RFC 2338)

    ●  HSRP

    ●  MHSRP

    Metro Ethernet

    ●  Ethernet OA&M

    ●  Ethernet Local Management Interface (E-LMI)

    ●  IP SLA for Ethernet

    IPv6

    ●  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

    Application visibility and control

    ●  NBAR2

    ●  Flexible NetFlow (FNF)

    ●  Performance Agent

    Number of recommended users

    ●  50

    Default and maximum DRAM

    ●  Default 1 GB

    Default and maximum flash memory

    ●  2 GB on all Cisco 900 Series ISR models; not upgradable

    WAN

    ●  Refer to Table 2 for details

    LAN switch

    ●  Refer to Table 2 for details

    Separate console ports

    ●  RJ-45

    USB 2.0

    ●  One USB 2.0 Type A port

    Physical dimensions

     H x W x D = 1.70 x 9.0 x 9.5 in. (4.32 x 22.86 x 24.13 cm) (includes rubber feet)

    Power supply

    Power specifications:

    ●  AC input voltage: Universal 100 to 240 VAC

    ●  Frequency: 50 to 60 Hz

    ●  Internal power supply (C921-4P and C931-4P only)

    Approvals and compliance

    Safety:

    ●  IEC 60950-1

    ●  UL 60950-1

    ●  CAN/CSA C22.2 No. 60950-1

    ●  EN 60950-1

    ●  AS/NZS 60950.1

    ●  Class I Equipment (C921-4P and C931-4P only)

    ●  Class III Equipment (C927-4P, C927-4PM, and C926-4P only)

    Emissions:

    ●  47 CFR Part 15: 2006

    ◦   CISPR22: Edition 6.0: 2008

    ◦   CNS13438: 2006

    ◦   EN 300 386 V1.6.1

    ◦   EN 55032

    ◦   EN61000-3-2: 2006 [+ amd 1 & 2]

    ◦   EN61000-3-3: 2008

    ◦   ICES-003 Issue 5: 2012

    ◦   KN 22: 2009

    ●  TCVN 7189: 2009

    ●  VCCI: V-3/2012.04

    Immunity:

    ●  CISPR24: 2010 [+ amd 1 & 2]

    ◦   EN300386: V1.6.1

    ◦   EN55024: 2010

    ◦   EN61000-6-1: 2007

    ◦   KN24: 2011

    ◦   TCVN 7317:2003

    Environmental operating range

    ●  Nonoperating temperature: -40° to 158°F (-40° to 70°C)

    ●  Nonoperating humidity: 5% to 95% relative humidity (noncondensing)

    ●  Nonoperating altitude: 0 to 15,000 ft (0 to 4570 m)

    ●  Operating temperature: 0° to 50°C (de-rate 1°C per 1000-ft increase in altitude)

    ●  Operating humidity: 5% to 95% relative humidity (noncondensing)

    ●  Operating altitude: 0 to 10,000 ft (0 to 3000 m)


              

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    Shipping Zones

    By Express

    By Air Cargo

    Asia

    1-2 Days

    2-3 Days

    North America

    2-3 Days

    2-3 Days

    South America

    3-4 Days

    4-5 Days

    Europe

    2-3 Days

    3-4 Days

    Oceania

    2-3 Days

    3-4 Days

    Africa

    3-5 Days

    4-7 Days

    Middle East

    3-5 Days

    4-7 Days

     

     

     

     


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