- Router, GigE, 4-port switch, WAN ports: 2
[properties]
| Properties |
ISR-C921-4P |
| Product Family |
ISR 900 Series |
| Product Type |
Integrated Services Routers |
| Description |
The ISR-C921-4P is a feature-rich networking device that combines advanced routing capabilities, enabling seamless connectivity and power delivery for a variety of network devices. |
| WAN interfaces |
2 ports Gigabit Ethernet (GE |
| LAN interfaces |
4-port GE managed switch |
| Integrated USB 2.0 |
Yes |
| Number of recommended users |
50 |
| Power supply |
● AC input voltage: Universal 100 to 240 VAC
● Frequency: 50 to 60 Hz
● Internal power supply |
| Dimensions in. |
1.70 x 9.0 x 9.5 |
[/properties][specifications]
| Specifications |
ISR-C927-4P |
| DRAM |
1 GB |
| Flash Memory |
2 GB |
| Separate console ports |
RJ-45 |
| USB 2.0 |
One USB 2.0 Type A port |
| 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 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 |
| 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 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 |
| 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 ● 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 |
| 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 |
| Safety Compliance |
● IEC 60950-1
● UL 60950-1
● CAN/CSA C22.2 No. 60950-1
● EN 60950-1 ● AS/NZS 60950.1
● Class III Equipment |
| Emission Compliance |
●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◦ CISPR22: Edition 6.0: 2008
|
| Immunity Compliance |
● CISPR24: 2010 [+ amd 1 & 2] ◦ EN300386: V1.6.1 ◦ EN55024: 2010 ◦ EN61000-6-1: 2007 ◦ KN24: 2011 ◦ TCVN 7317:2003 |
Operating Temperature
|
0° to 45°C |
| Operating humidity |
5% to 95% relative humidity |
[/specifications][accesories]
| ACS-900-RM-19(= |
Rack-mount kit for 900 Series ISRs |
[/accesories]
Cisco C921-4P Router
The Cisco 900 Series Integrated Services Routers (ISRs provide integrated security features, broadband and Metro Ethernet connectivity, and wireless LTE WAN options. They support centralized and remote management through web-based tools and Cisco IOS Software, simplifying network configuration and maintenance. The C921-4P offers Dual GE WAN and 4 LAN ports.
Key Features:
- Category 4 LTE
- Customer Premises Equipment (CPE
- Dynamic failover protocols
The tabs contain the Cisco C921-4P datasheet with all the specifics you need.
