Reviews Network Failover Architecture

Synology 8 Bay RackStation RS1221+ (Diskless)

Tackle multi-user environments effortlessly with up to 2,315 MB/s read and 1,147 MB/s write performance.
The RS1221+ and RS1221RP+ feature a short depth of just 298 mm and 399 mm respectively.
Improve network performance by 5X with a PCIe SFP+ or RJ-45 network card from the compatibility list.
Configure two units together to create a Synology High Availability (SHA) cluster for maximum service uptime and minute-level failover.

The PowerConnect 6224F delivers a comprehensive feature set with superb performance and all Fiber connectivity for the small to medium enterprise network backbone or for long-haul connectivity. This 24-port Gigabit Ethernet Layer 3 switch is stackable and offers optional 10 Gigabit Ethernet uplinks and supports the latest version of the Internet Protocol—IPv6—enabling broader worldwide scalability..
The PowerConnect 6224F offers Enterprise class availability with failover times that provide for sub-250ms failover of any stacked switch, including master failure under all configurations. Furthermore, high performance stacking is supported for up to twelve systems, and advanced security and Quality of Service (QoS) features make this switch ideal for applications such as Voice over IP, Layer 3 routing, High Performance Cluster Computing (HPCC), and iSCSI storage..
Advanced monitoring functions include sflow support, SNMP capabilities and a full GUI interface with graphical reporting. In the event of a switch failure, high availability functions maintain traffic flow in the stack, including mission-critical voice and storage sessions..

SonicWall TZ300 Network Security Appliance (PoE) (01-SSC-0030).
The SonicWall TZ300 Firewall Appliance is ideally suited for any organization that requires enterprise-grade network protection. It provides broad protection with advanced security services consisting of onbox and cloud-based anti-malware, anti-spyware, application control, intrusion prevention system (IPS) and URL filtering. This equipment features Gigabit Ethernet ports, IPSec and SSL VPN, failover through integrated 3G/4G support, load balancing and network segmentation..
Flexible security solution that offers a unified security solution to small to mid-size organizations.
Blocks malware and zero-day threats with both on-box and cloud-based Advanced Threat Prevention. Zero-Touch Deployment allows for easy configuration and management, all accessible through the cloud.
Includes a 1 year limited manufacturer warranty.

3G/4G/LTE failover that integrates seamlessly with existing network infrastructure.
Frequency: LTE Band 4 - AWS (1700/2100 MHz), Band 13 (700 MHz). 3G-EVDO fallback.

Dane Technology: The BB-816DT incorporates Dante technology and is capable of being integrated into new or existing systems that are using a Dante network.
Open Architecture and High-Quality Microphone: The BlueBridge family of products features open architecture, drag and drop software that makes them incredibly easy to use. Each model utilizes high-quality microphone preamps and 24 Bit converters to obtain an ultra-low noise floor while still maintaining a smooth sound that satisfies the needs of demanding clients, with the flexibility and control a system designer requires.
Network Connectivity: BlueBridge devices need to be connected to the network during set-up and if control is required but can be applied in many instances where network control is unnecessary or unavailable like live speech applications. When connected to a network, each BlueBridge processor on the network will be auto recognized and controllable.
Inputs and Outputs: This model includes 8 inputs and 16 outputs using Phoenix-style connectors. BlueBridge additionally works with the Atlas BluePanel software which enables the designer to create custom interfaces that can be accessed via a computer connected to the network.
Floating Point DSP Engine: BlueBridge models use a 40 Bit ....

Featured dual 1GbE LAN ports to support network failover, and with Link Aggregation enabled, DS220+ provides over 225 MB/s sequential read and 192....
Intel dual-core processor with AES-NI hardware encryption engine.
2 GB DDR4 memory (expandable up to 6 GB).
Access, share, and sync your data easily across different operating systems and devices..
Average 15% performance boost to photo indexing and other computing-intensive operations, as well as database response time..
By default, two camera licenses are installed.
extra licenses can be purchased (CLP1, CLP4, or CLP8).

AV Series – Ports on the Back User Selectable Green/Blue Front-Facing LEDs.
1 Dedicated WAN, 1 Dedicated LAN, 3 LAN/WAN Configurable Ports, Multi-WAN Failover and Load Balancing.
Virtual Private Network (VPN): PPTP, L2TP, IPsec, Quality of Service (QoS).

...RVER mode) router is a 4g router with sim card slot. Rugged metal casing, 3.74×2.75×0.98in compact size for mass deployment. Working Temperature -22 ℉ to 158 ℉ (-30 to 70℃), Working Voltage DC 7.5V to 32V. ESD and lightning protection, Watchdog, multi-layer link detection mechanisms, Wired WAN WiFi Cellular failover, automatic redial and recovery. It has a record that stays online for more than 425 days without breakdown in our clients' project environment..
【Powerful Networking & Functions】: QX210 LTE modem provides Internet Access of Wired Ethernet, WiFi (802.11b/g/n, AP and Client), and Cellular (4G/3G), it is ideal to work as a main or backup internet. Support VPN client mode (GRE, PPTP, L2TP, IPSec, EOIP, N2N, OpenVPN), Qos, DMZ, Firewall, Port Forwards, NAT, Load Balancing, DDNS, SNMP, Serial RS232 DTU, Modbus RTU/TCP protocol. It is ideal for a variety of IoT M2M scenarios and offers a high-quality networking solution for unattended sites..
【Wide Applications】: This router modem is easy to deploy, cost & time saving, reliable works day and night 24/7 internet access. It is widely used for RVs, remote camera systems, holiday cottages, buses, vehicles, trucks, industrial automation, vending machine, digital signage, smart grid, con....

Refer the user manual below for troubleshooting.
Up to 50 IPsec tunnels (for site-to-site and client-to-site VPN) and 5 OpenVPN tunnels for iOS and Android users.
900 Mbps firewall and 110 Mbps IPsec throughputs.
Feature-rich to meet a wide range of business network requirements.
Supports load balancing and WAN failover for highly reliable Internet connectivity.

Content URL filter, port mapping, virtual IP mapping, IP-MAC binding.
- Data Security, OPENVPN protocols, Supports CA digital certificate..
High Reliability & Efficient Remote management: Watchdog and multi-layer link detection mechanisms ,automatic redial and recovery.
Failover between wired, cellular LTE networks and Wi-Fi. With InHand Device Manager cloud platform. Offers 3 years warranty and free technical support. If you are not sure about the product details , please feel free to consult.