معرفی
روترهای سری ISR 900 در رده محصولات Small Business شرکت سیسکو قرار میگیرد و یکی از بهترین گزینه ها جهت استفاده در شعب و دفاتر کوچک می باشد. از ویژگی های فوق العاده این محصول میتوان به طراحی کامپکت و همچنین پشتیبانی دستگاه از لینک های ADSL/VSDL/LTE اشاره کرد.
همانطور که در تصویر بالا مشاهده میکنید روترهای این سری 4 پورت LAN و 2 پورت WAN در اختیار ما قرار میدهد. در اشکال زیر تصویر نمای جلو و پشت مدل های C921-4P و C926-4P را مشاهده میکنید:
قابلیت ها و مزایا
در جدول زیر مهمترین قابلیت ها و مزایای این خانواده از روتر ISR سیسکو رو مشاهده میکنید:
| Features and descriptions | Business need |
| Redundant WAN connections for failover protection and load balancing | High availability and business continuity |
| Dynamic failover protocols such as Virtual Router Redundancy Protocol (VRRP, RFC 2338), Hot Standby Router Protocol (HSRP), and Multigroup HSRP (MHSRP) | |
| Can run multiple services simultaneously with no performance degradation | Consistent, high application performance levels |
| Network perimeter security with integrated application inspection firewall | Risk mitigation with multilevel security |
| Data privacy through high-speed IP Security (IPsec) Triple Data Encryption Standard (3DES) and Advanced Encryption Standard (AES) encryption | |
| Enforced security policy with intrusion prevention | |
| Security hardware acceleration | |
| FlexVPN | |
| Next-generation encryption for secure network communications systems, reliable for the next decade | |
| Supports LAN connections | Feature consolidation for real estate, Capital Expenditures (CapEx), and management savings |
| Simplifies and centralizes configuration and management of wireless and wireline devices | Unified control of wired and wireless networks from a common console for streamlined operations |
| ● Supports separate console ports | Remote configuration and management to keep local IT staff lean |
مدلهای مختلف سری ISR 900 بر اساس تنوع پورت و قابلیت ها
روترهای سری ISR900 در تعداد پورتهای LAN یکسان بوده و مدل های مختلف بر اساس پشتیبانی از پورت های WAN دسته بندی میگردند. در جداول زیر مدلهای مختلف را بر اساس نوع و تکنولوژی WAN مشاهده میکنید:
| Integrated USB 2.0 | LAN interfaces | WAN interfaces | Model |
| Yes | 4-port GE managed switch | 2 ports Gigabit Ethernet (GE) | C921-4P |
| Yes | 4-port GE managed switch | 2 ports Gigabit Ethernet (GE) | C931-4P |
| Yes | 4-port GE managed switch | 1 port GE and 1 VADSL (Annex A) | C927-4P |
| Yes | 4-port GE managed switch | 1 port GE and 1 VADSL (Annex B/J) | C926-4P |
| Yes | 4-port GE managed switch | 1 port GE and 1 VADSL (Annex M) | C927-4PM |
| Integrated USB 2.0 | LAN switch | WAN | Model | ||
| GE | LTE (CAT4) | ADSL2/VDSL2+ | GE | ||
| Yes | 4 | YES | NA | 2 | C921-4PLTEGB |
| Yes | 4 | YES | NA | 2 | C921-4PLTEAU |
| Yes | 4 | YES | NA | 2 | C921-4PLTEAS |
| Yes | 4 | YES | 1 VA-DSL | 1 | C927-4PLTENA |
| (Annex A) | |||||
| Yes | 4 | YES | 1 VA-DSL | 1 | C927-4PLTEGB |
| (Annex A) | |||||
| Yes | 4 | YES | 1 VA-DSL | 1 | C927-4PLTEAU |
| (Annex A) | |||||
| Yes | 4 | YES | 1 VA-DSL | 1 | C927-4PMLTEGB |
| (Annex M) | |||||
| Yes | 4 | YES | 1 VA-DSL | 1 | C926-4PLTEGB |
| (Annex B/J) | |||||
مشخصات فنی روترهای سری ISR 900
| Specification | Feature |
| Cisco IOS Software | |
| ● Routing Information Protocol Versions 1 and 2 (RIPv1 and RIPv2) | IP and IP services |
| ● 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) | |
| ● True Multimode VDSL2 and ADSL2+ over Annex A, B, J, and M, including traditional G.DMT and T1.413 | xDSL |
| ● 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 | |
| ● Auto Media Device In/Media Device Cross Over (MDI-MDX) | Switch features |
| ● 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 connectivity: | 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 | |
| ● Low-Latency Queuing (LLQ) | Quality of Service (QoS) |
| ● 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 | Management |
| ● 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) | High availability |
| ● HSRP | |
| ● MHSRP | |
| ● Ethernet OA&M | Metro Ethernet |
| ● Ethernet Local Management Interface (E-LMI) | |
| ● IP SLA for Ethernet | |
| ● IPv6 addressing architecture | IPv6 |
| ● 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 | Application visibility and control |
| ● Flexible NetFlow (FNF) | |
| ● Performance Agent | |
| ● 50 | Number of recommended users |
| ● Default 1 GB | Default and maximum DRAM |
| ● 2 GB on all Cisco 900 Series ISR models; not upgradable | Default and maximum flash memory |
| ● Refer to Table 2, 3 and 4 for details | WAN |
| ● Refer to Table 2 for details | LAN switch |
| ● RJ-45 | Separate console ports |
| ● One USB 2.0 Type A port | USB 2.0 |
| Note: USB 2.0 ports cannot be used for connecting external devices other than those specified at: https://www.cisco.com/en/US/prod/collateral/modules/ps6247/product_data_sheet0900aecd80232473.html | |
| Dimensions: | Physical dimensions, LEDs, and weight |
| ● C921-4P, C931-4P, and C921-4PLTEXX | |
| ◦ 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) | |
| ● C927-4P, C927-4PM, C926-4P, C927-4PLTEXX, C927-4PMLTEXX, and C926-4PLTEXX | |
| ◦ H x W x D = 1.10 x 10.20 x 7.00 in. (2.80 x 25.91 x 17.78 cm) (includes rubber feet) | |
| LEDs: | |
| ● 1x green per Ethernet | |
| ● 2x green DSL - CD+Data | |
| ● 1x bicolor LED LTE RSSI | |
| ● 1x green LED LTE SIM/Activity | |
| ● VPN | |
| ● System OK | |
| Weight: 2.65 lb (1.20 kg) maximum | |
| Power specifications: | Power supply |
| ● AC input voltage: Universal 100 to 240 VAC | |
| ● Frequency: 50 to 60 Hz | |
| ● Internal power supply (C921-4P, C931-4P, and C921-4PLTEXX only) | |
| ● External power adapter (C927-4P, C927-4PM, C926-4P, C927-4PLTEXX, C927-4PMLTEXX, and C926-4PLTEXX only): 12 VDC; 30 W | |
| Safety: | Approvals and compliance |
| ● 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 | |
| ● Nonoperating temperature: -40° to 158°F (-40° to 70°C) | Environmental operating range |
| ● Nonoperating humidity: 5% to 95% relative humidity (noncondensing) | |
| ● Nonoperating altitude: 0 to 15,000 ft (0 to 4570 m) | |
| ● Operating temperature: | |
| ◦ C921-4P and C931-4P: 0° to 50°C (de-rate 1°C per 1000-ft increase in altitude) | |
| ◦ C927-4P, C926-4P, C927-4PM, C921-4PLTEXX,: 0° to 45°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) | |
لایسنس های روترهای سری ISR 900
روترهای سری ISR 900 به از IOS های نوع Universal بهره میبرند که بیشتر قابلیت ها را به صورت پایه و رایگان بر روی محصول در اختیار کاربر میدهد و برخی از قابلیت ها و تکنولوژی نیازمند تهیه لایسنس می باشد. در جدول زیر لیست انواع لایسنس ها را به همراه قابلیت های آن ها را مشاهده میکنید:
| Features | Bundle | Part number |
| Routing protocols, ACL, NAT, QoS, BFD, VRF Lite, IP SLA Responder | IP Base (default) | SL-900-IPB |
| IP Base + advanced networking protocols: L2TPv3, MPLS | Application Experience (APP) | SL-900-APP(=) |
| Application Experience: PfRv3, NBAR2, AVC, IP SLA Initiator | ||
| Hybrid Cloud Connectivity: LISP, Virtual Private LAN Services (VPLS), Ethernet over MPLS | ||
| IP Base + Advanced Security: Zone-based firewall, IPsec VPN, DMVPN, FlexVPN, GET VPN, SSL VPN | Security (SEC) | SL-900-SEC(=) |
| Provides up to 250-Mbps IPsec performance | SL-900-SECNPE(=) |