Thông số kỹ thuật Router Cisco C921-4P
Feature |
Specification |
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)
– 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)
|
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
|
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
|
CPU |
Intel® x86 2.2-GHz
|
Default and maximum DRAM |
– Default 1 GB
|
Default and maximum flash memory |
– 2 GB not upgradable
|
WAN |
– 2 ports Gigabit Ethernet (GE)
|
LAN switch |
– 4-port GE managed switch
|
Separate console ports |
– RJ-45
|
USB 2.0 |
– One USB 2.0 Type A port
|
Physical dimensions and weight |
Weight: 2.65 lb (1.20 kg) maximum 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
|
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
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)
|
License sử dụng cho router Cisco C921-4P
Part number |
Bundle |
Features |
SL-900-IPB |
IP Base (default) |
Routing protocols, ACL, NAT, QoS, BFD, VRF Lite, IP SLA Responder |
SL-900-APP(=) |
Application Experience (APP) |
IP Base + advanced networking protocols: L2TPv3, MPLS Application Experience: PfRv3, NBAR2, AVC, IP SLA Initiator Hybrid Cloud Connectivity: LISP, Virtual Private LAN Services (VPLS), Ethernet over MPLS |
SL-900-SEC(=) SL-900-SECNPE(=) |
Security (SEC) |
IP Base + Advanced Security: Zone-based firewall, IPsec VPN, DMVPN, FlexVPN, GET VPN, SSL VPN Provides up to 250-Mbps IPsec performance |
Software images sử dụng cho C921-4P
Part number |
Description |
Router software images |
|
SISR900UK9-1583MB(=) |
C900-universalk9-mz: Universal image for C921-4P, C931-4P, C927-4P, C927-4PM, C926-4P |
SISR900NPEUK9-1583MB(=) |
Cisco 900 ISR Universal image and non-payload encryption image |
Mouting kit sử dụng cho router Cisco C921-4P
Mount kits |
|
ACS-900-RM-19 |
Rack-mount kit for 900 Series ISRs |
ACS-900-DM |
Under-the-desk mount kit for all 900 Series ISRs |
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