29 /03/ 2024  
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Công Ty CP Dịch Vụ Công Nghệ Mạng Kính Chào Quý khách-Welcome To The Network Technology Service Joint Stock Company
  DANH MỤC SẢN PHẨM
Cisco Routers
Cisco Switches
Cisco Firewalls
Cisco Wireless
Accessories
  TÌM KIẾM
  SẢN PHẨM MỚI
CISCO888-K9
CISCO881-K9
CISCO1921/K9
WS-C3560V2-48TS-S
WS-C3560V2-24TS-S
WS-C2960S-48TS-S
WS-C2960S-24TS-S
WS-C2960-8TC-L
AIR-LAP1522AG-A-K9
WS-CE520G-24TC-K9
  HỖ TRỢ TRỰC TUYẾN
Trần Trung Dũng
 dungtran@nettech.vn
P.Kinh Doanh
Trần Thành Trung
 nettech_85@nettech.vn
P.Kinh Doanh

  THÔNG TIN CẦN BIẾT
Thời tiết
Giá vàng
Tỉ giá
 
Lượt truy cập:  4091151
Trực tuyến:  14
 
  CISCO 1900 2900 3900 Series
CISCO2921/K9





The Cisco 2921 Integrated Services Router (ISR) delivers highly secure data, voice, video, and application services for small offices. Key features include:

  • 3 Integrated 10/100/1000 Ethernet ports with 1 port capable of RJ-45 or SFP connectivity
  • 1 service module slot
  • 4 Enhanced High-Speed WAN Interface Card (EHWIC) slots
  • 3 onboard digital signal processor slots
  • 1 internal service module slot for application services
  • Fully integrated power distribution to modules supporting 802.3af Power over Ethernet (PoE) and Cisco Enhanced PoE
  • Security
    • Embedded hardware-accelerated VPN encryption
    • Secure collaborative communications with Group Encrypted Transport VPN, Dynamic Multipoint VPN, or Enhanced Easy VPN
    • Integrated threat control using Cisco IOS Firewall, Cisco IOS Zone-Based Firewall, Cisco IOS IPS, and Cisco IOS Content Filtering
    • Identity management: Intelligently protecting endpoints using authentication, authorization, and accounting (AAA), and public key infrastructure
  • Voice
    • High-density packet voice DSP module, optimized for voice and video support
    • Standards-certified VoiceXML browser services
    • Cisco Unified Border Element capabilities
    • Cisco Unity Express voicemail support
    • Support for Cisco Communications Manager Express and Survivable Remote Site Telephony


Models Comparison
  2951 2921 2911 2901
Form Factor 2 RU 2 RU 2 RU 1 RU
Integrated WAN Ports 3 Gigabit Ethernet
(1 SFP)
3 Gigabit Ethernet
(1 SFP)
3 Gigabit Ethernet 2 Gigabit Ethernet
Interface Slots (EHWIC) 4 4 4 4
Service Module Slots 2 1 1 0
ISM Slots 1 1 1 1
PVDM Slots 3 3 2 2
USB Ports (v2.0) 2 2 2 2
Default/Max Flash 256 MB/ 4 GB 256 MB/ 4 GB 256 MB/ 4 GB 256 MB/ 4 GB
Default/Max SDRAM 512 MB/ 4 GB* 512 MB/ 2.5 GB 512 MB/ 2.5 GB 512 MB/ 2.5 GB
Modular LAN Switchports (with Optional POE) 50** 50** 24** 16
Advanced Security Enabled via security license for the Universal IOS image. IPS and content filtering need additional subscription licenses.
Stateful Firewall Yes Yes Yes Yes
Onboard Hardware VPN Acceleration (DES, 3DES, AES) Yes Yes Yes Yes
Intrusion Prevention Yes Yes Yes Yes
Content Filtering Yes Yes Yes Yes
Unified Communications Enabled via Unified Communications license for the Universal IOS image. CCME/SRST support are available through separate feature licenses.
Local Conferencing Yes; use PVDM3 Yes; use PVDM3 Yes; use PVDM3 Yes; use PVDM3
Voice Digital Signal Processor Support PVDM3 and PVDM2 PVDM3 and PVDM2 PVDM3 and PVDM2 PVDM3 and PVDM2
Survivable Site Telephony Support Up to 250 Up to 100 Up to 50 Up to 35
Cisco CallManager Express Support Up to 150 Up to 100 Up to 50 Up to 35
Cisco Unity Express (NM, SM, or ISM) 32 ports; 300 mailboxes 32 ports; 300 mailboxes 32 ports; 300 mailboxes 10 ports; 100 mailboxes
SIP Sessions 600 400 200 100
Digital Voice Support Up to 400 Up to 240 Up to 150 Up to 100
Maximum Voice Support for Analog/BRI FXS 64, FXO 40, BRI 24 FXS 40, FXO 28, BRI 16 FXS 40, FXO 28, BRI 16 FXS 16, FXO 16, BRI 8

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