思科CISCO2900路由器是一款功能强大的路由器，被广泛应用于企业网络和数据中心环境中。本文将深入探讨CISCO2900路由器的功能和应用，以便读者更好地了解和应用这一先进的网络设备。
首先，CISCO2900路由器具有出色的性能和可靠性。它采用了高速处理器和大容量内存，可以实时处理大量的网络流量和数据包。无论是在企业网络中还是在数据中心中，CISCO2900路由器始终能够提供稳定和高效的网络连接，确保网络的可靠性和安全性。
其次，CISCO2900路由器支持多种网络协议和功能。它支持以太网、ATM、T1/E1等多种网络接口，可以适应各种网络环境和需求。此外，CISCO2900路由器还支持IPv6协议，为未来的网络扩展提供了良好的支持。它还支持多种路由协议，如OSPF、BGP等，可以实现灵活的路由策略和优化网络性能。
CISCO2900路由器还具备强大的安全性能。它支持虚拟专用网络（VPN）技术，可以建立安全的远程连接和站点到站点的连接。此外，CISCO2900路由器还支持防火墙和访问控制列表（ACL）等安全功能，可以有效地保护网络免受黑客和恶意攻击。
除了以上功能，CISCO2900路由器还可作为集成服务路由器（ISR）使用。它支持语音和视频传输，可以实现语音和视频会议、IP电话和视频监控等应用。同时，CISCO2900路由器还支持广域网优化、负载均衡和流量控制等功能，可以提供更好的网络性能和用户体验。
在实际应用中，CISCO2900路由器广泛应用于企业网络和数据中心环境中。它可以连接不同部门和办公室之间的网络，并提供稳定和高效的数据传输。此外，CISCO2900路由器还可以与其他网络设备集成，如交换机、防火墙和服务器等，构建完整的企业网络解决方案。
总结起来，思科CISCO2900路由器是一款功能强大、性能可靠的网络设备。它具有多种网络协议和功能，能够适应不同的网络环境和需求。其强大的安全性能和集成服务功能，使得CISCO2900路由器在企业网络和数据中心中得到了广泛的应用。对于希望构建稳定、安全和高效网络的企业和组织而言，CISCO2900路由器无疑是一个理想的选择。
CISCO2951/K9
Cisco 2951 w/3 GE, 4 EHWIC, 3 DSP, 2 SM, 256MB CF, 512MB DRAM, IPB
CON-SNT-2951
CISCO2921/K9
Cisco 2921 w/3 GE, 4 EHWIC, 3 DSP, 1 SM, 256MB CF, 512MB DRAM, IPB
CON-SNT-2921
CISCO2911/K9
Cisco 2911 w/3 GE, 4 EHWIC, 2 DSP, 1 SM, 256MB CF, 512MB DRAM, IPB
CON-SNT-2911
C2951-VSEC/K9
Cisco 2951 Voice Sec. Bundle, PVDM3-32, UC and SEC License PAK
CON-SNT-2951VSEC or CON-SU1-2951VSEC
C2921-VSEC/K9
Cisco 2921 Voice Sec. Bundle, PVDM3-32, UC and SEC License PAK
CON-SNT-2921VSEC or CON-SU1-2921VSEC
C2911-VSEC/K9
Cisco 2911 Voice Sec. Bundle, PVDM3-16, UC and SEC License PAK
CON-SNT-2911VSEC or CON-SU1-2911VSEC
C2901-VSEC/K9
Cisco 2901 Voice Sec. Bundle, PVDM3-16, UC and SEC License PAK
CON-SNT-2901VSEC or CON-SU1-2901VSEC
CISCO2901/K9
Cisco 2901 w/2 GE, 4 EHWIC, 2 DSP, 256MB CF, 512MB DRAM, IPB
CON-SNT-2901
PWR-2921-51-AC
Cisco 2921/2951 AC Power Supply (Both system & spare)
PWR-2911-AC
Cisco 2911 AC Power Supply (Both system & spare)
PWR-2901-AC
Cisco 2901 AC Power Supply (Both system & spare)
PWR-2921-51-POE
Cisco 2921/2951 AC Power Supply with Power Over Ethernet (Both system & spare)
PWR-2911-POE
Cisco 2911 AC Power Supply with Power Over Ethernet (Both system & spare)
PWR-2901-POE
Cisco 2901 AC Power Supply with Power Over Ethernet (Both system & spare)
PWR-2921-51-DC**
Cisco 2921/2951 DC Power Supply (Both system & spare)
PWR-2911-DC*
Cisco 2911 DC Power Supply (Both system & spare)
RPS-ADPTR-2921-51
Cisco 2921/2951 RPS Adapter for use with External RPS (Both system & spare)
RPS-ADPTR-2911
Cisco 2911 RPS Adapter for use with External RPS (Both system & spare)
MEM-3900-1GU4GB
1GB to 4GB DRAM Upgrade (2GB+2GB) for Cisco 3925/3945 ISR
MEM-2951-512MB-DEF
512MB DRAM (1 512MB DIMM) for Cisco 2951 ISR (Default)
MEM-2951-512U2GB
512MB to 2GB DRAM Upgrade (1 2GB DIMM) for Cisco 2951 ISR
MEM-2951-512U1.5GB
512MB to 1.5GB DRAM Upgrade (1GB+512MB) for Cisco 2951 ISR
MEM-2951-512U1GB
512MB to 1GB DRAM Upgrade (1 1GB DIMM) for Cisco 2951 ISR
MEM-2951-2GB=
2GB DRAM for Cisco 2951 ISR (only as spare)
MEM-2951-1GB=
1GB DRAM for Cisco 2951 ISR (only as spare)
MEM-2951-512MB=
512MB DRAM for Cisco 2951 ISR (only as spare)
MEM-2900-512MB-DEF
512MB DRAM for Cisco 2901-2921 ISR (Default)
MEM-2900-512U2.5GB
512MB to 2.5GB DRAM Upgrade (2GB+512MB) for Cisco 2901-2921
MEM-2900-512U1.5GB
512MB to 1.5GB DRAM Upgrade (1GB+512MB) for Cisco 2901-2921
MEM-2900-512U1GB
512MB to 1GB DRAM Upgrade (512MB+512MB) for Cisco 2901-2921
MEM-2900-2GB=
2GB DRAM for Cisco 2901, 2911, 2921 ISR (only as spare)
MEM-2900-1GB=
1 GB DRAM for Cisco 2901, 2911, 2921 ISR (only as spare)
MEM-2900-512MB=
512MB DRAM for Cisco 2901, 2911, 2921 ISR (only as spare)
MEM-CF-256U4GB
256MB to 4GB Compact Flash Upgrade for Cisco 1900, 2900, 3900 ISR
MEM-CF-256U2GB
256MB to 2GB Compact Flash Upgrade for Cisco 1900, 2900, 3900 ISR
MEM-CF-256U1GB
256MB to 1GB Compact Flash Upgrade for Cisco 1900, 2900, 3900 ISR
MEM-CF-256U512MB
256MB to 512MB CF Upgrade for Cisco 1900, 2900, 3900 ISR
MEM-CF-256MB
256MB Compact Flash for Cisco 1900, 2900, 3900 ISR (Default)
MEM-CF-4GB=
4GB Compact Flash (Spare) for Cisco 1900, 2900, 3900 ISR (only as spare)
MEM-CF-2GB=
2GB Compact Flash (Spare) for Cisco 1900, 2900, 3900 ISR (only as spare)
MEM-CF-1GB=
1GB Compact Flash (Spare) for Cisco 1900, 2900, 3900 ISR (only as spare)
MEM-CF-512MB=
512MB Compact Flash (Spare) for Cisco 1900, 2900, 3900 ISR (only as spare)
MEM-CF-256MB=
256MB Compact Flash (Spare) for Cisco 1900, 2900, 3900 ISR (only as spare)
2921-51-FANASSY=
Cisco 2921/2951 Fan Assembly and Bezel (only as spare)
2911-FANASSY=
Cisco 2911 Fan Assembly (no Bezel included) (only as spare)
2911-FANFLTR-NEBS
Cisco 2911 Fan Filter for NEBS environment (Both system & spare)
2911-AIRCVTR-NEBS=
Cisco 2911 Front-to-Back Air Flow Converter for NEBS use (only as spare)
1941-2901-FANBLWR=
Cisco 1941/2901 Fan Blower Assembly (only as spare)
RPS-COVER-2921-51=
Cover for empty RPS Adapter slot on Cisco 2921/2951 (only as spare)
RPS-COVER-2911=
Cover for empty RPS Adapter slot on Cisco 2911 (only as spare)
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