The Cisco C2821-VSEC/K9 is a voice security bundle router that offers a variety of features and benefits to support secure and reliable voice communications over a network. Some key features include:
- Voice over IP (VoIP) Support: The C2821-VSEC/K9 supports a wide range of VoIP protocols such as SIP, H.323, and MGCP to enable voice communications over IP networks.
- Voice Encryption: The device includes Advanced Encryption Standard (AES) and Secure Real-time Transport Protocol (SRTP) to secure and encrypt voice communications, protecting against eavesdropping and unauthorized access.
- Firewall and VPN: The C2821-VSEC/K9 includes a built-in firewall and VPN support to secure the network and protect against external threats.
- Quality of Service (QoS): The device supports advanced QoS features such as traffic shaping, policing, and congestion management to ensure predictable and reliable voice quality.
- Advanced Call Features: The C2821-VSEC/K9 supports a variety of advanced call features such as call hold, transfer, and conferencing, to enhance the user experience.
- High-performance: The device offers high-performance routing and switching capabilities to support large-scale voice deployments.
- Scalability: The C2821-VSEC/K9 is designed to be highly scalable, allowing for easy expansion as the needs of the network change.
Benefits:
- Ensures secure and reliable voice communications.
- Provides advanced security features to protect against external threats.
- Enhances user experience with advanced call features.
- Provides high-performance routing and switching capabilities to support large-scale voice deployments.
- Scalable design that can adapt to the changing needs of the network
- Cost-effective and easy to manage.
The Cisco 2821-VSEC/K9 is a voice security bundle router that offers advanced features for configuring and managing voice over IP (VoIP) networks. Here are the steps for configuring and managing the device:
- Connect the router to a computer using a console cable and launch a terminal emulator such as PuTTY.
- Log in to the router using the default username and password (admin/admin).
- Configure the basic network settings such as IP address, subnet mask, and default gateway using the "configure terminal" command.
- Enable the interfaces that will be used for VoIP traffic using the "interface" command.
- Configure Quality of Service (QoS) settings such as traffic policing and shaping to ensure predictable and reliable voice quality.
- Configure voice ports and voice-enabled interfaces using the "voice-port" command.
- Set up voice gateways and configure routing protocols such as H.323 or SIP to establish connections between the router and other VoIP devices.
- Configure security features such as firewalls, intrusion prevention, and VPNs to protect the network from external threats.
- Use the "show" and "debug" commands to monitor and troubleshoot the network.
- Use the "copy" command to save configuration changes and backup the configuration.
The Cisco C2821-VSEC/K9 is a voice security bundle router that offers advanced networking capabilities to enhance the performance and security of voice and data networks. Some key features include:
- Voice Security: The C2821-VSEC/K9 includes a comprehensive set of voice security features such as voice-over-IP (VoIP) encryption, intrusion prevention, and call authentication to protect the network from external threats.
- Quality of Service (QoS): The router offers advanced QoS features such as traffic shaping, policing, and congestion management to ensure predictable and reliable network performance for voice and data traffic.
- Virtual Private Network (VPN) Support: The device supports a variety of VPN protocols such as IPsec, SSL, and L2TP to provide secure and encrypted communication between networks.
- Firewall: The router includes a firewall to protect the network from external threats and unauthorized access.
- Network Address Translation (NAT): The C2821-VSEC/K9 supports NAT to allow multiple devices to share a single public IP address.
- IP Routing: The router supports a variety of routing protocols such as OSPF, BGP, and EIGRP to manage the flow of traffic within the network.
- Voice and Data Integration: The C2821-VSEC/K9 is designed to integrate voice and data traffic, allowing for more efficient use of network resources.
- Voice gateway: The router serves as a voice gateway to provide call routing and signaling between IP-based telephone systems and the public switched telephone network (PSTN).
Specifications:
- Manufacturer Cisco Systems, Inc
- Manufacturer Part Number C2821-VSEC/K9
- Brand Name Cisco
- Product Series 2800
- Product Model 2821
- Product Name 2821 Integrated Services Router
Interfaces/Ports
- Total Number of Ports 2
- USB Yes
- Management Port Yes
- Number of Network (RJ-45) Ports 2
I/O Expansions
- Number of Total Expansion Slots 12
- Expansion Slot Type AIM
- Expansion Slot Type HWIC
- Expansion Slot Type NME-X
- Expansion Slot Type PVDM
- Expansion Slot Type EVM
Network & Communication
- Network Technology 10/100/1000Base-T
- Ethernet Technology Gigabit Ethernet
Management & Protocols
- Security Feature
- VPN Hardware Acceleration (on Motherboard): DES, 3DES, AES 128, AES 192, and AES 256
Memory
- Standard Memory 256 MB
- Maximum Memory 1 GB
- Memory Technology DRAM
- Flash Memory 64 MB
- Memory Card Supported CompactFlash
Power Description
- Input Voltage 110 V AC
- Input Voltage 220 V AC
- Redundant Power Supply Yes
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