Hardware Reference

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Battery-Backed RAM (AR725, AR745, AR770S only)

The AR725 and AR745 have 128 kB of battery-backed SRAM as NVS (non- volatile storage), and the AR770S has 512 kB. The router can store files such as logs and configuration scripts in NVS over a power cycle.

Onboard Flash Memory

Flash memory is a nonvolatile reprogrammable memory storage device for router software versions, allowing upgrades to be remotely loaded from any WAN or LAN port. Flash memory is also used to store other types of data such as patches, logs and configurations.

There are two types of flash—onboard flash (flash connected directly to the router’s PCB and available on all routers), and CompactFlash (flash provided by removable compact flash cards). All the routers have onboard flash memory; AR725 and AR745 routers also have a slot for compact flash cards. (“CompactFlash (AR725, AR745 only)” on page 41)

Of the router’s onboard flash memory, 1 MB is reserved for the flash boot version. You can use the rest to store files in the flash file system, such as a software version file, GUI resource file, configuration scripts and command line help file. The router also stores system files in the flash file system.

Testing Onboard Flash Memory

There are several ways to check that onboard flash memory is installed and operating correctly. First, check that the router has recognised the flash memory, using the command:

show system

to display system information (Figure 12 on page 38). The second part of the display shows the types and sizes of memory installed in the router. If the flash memory size is lower than expected, then the router’s boot process has not correctly detected or recognised the flash memory’s presence. If recognition fails, contact your authorised Allied Telesis distributor or reseller.

If the flash is recognised, enter the command:

show flash physical

to display flash memory size, device type and location.

C613-03087-00 Rev E

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Allied Telesis AR700 Series manual Battery-Backed RAM AR725, AR745, AR770S only, Onboard Flash Memory

AR700 Series specifications

The Allied Telesis AR700 Series represents a robust line of edge routers engineered for high-performance networking. These devices are aimed at delivering versatility and scalability, catering to the needs of various organizations, whether small businesses or larger enterprises. Known for their reliability and advanced features, the AR700 Series stands out as a compelling option for organizations seeking to enhance their network infrastructure.

One of the standout features of the AR700 Series is its support for advanced routing protocols. The routers are capable of handling various protocols such as OSPF, BGP, and RIP, ensuring seamless integration within diverse network environments. This capability allows organizations to efficiently manage their routing needs, optimizing data flow for enhanced performance.

In addition to its routing protocols, the AR700 Series supports powerful Quality of Service (QoS) features. This technology prioritizes network traffic based on specific requirements, ensuring that vital applications receive the necessary bandwidth. This is particularly important for businesses that rely on real-time services such as video conferencing or voice over IP (VoIP), where uninterrupted service is critical.

The AR700 Series is also equipped with advanced security features to safeguard against cyber threats. With built-in firewall capabilities, VPN support, and traffic filtering, these routers help protect sensitive data from unauthorized access and attacks. Additionally, the ability to implement VLANs (Virtual Local Area Networks) further enhances the security and manageability of the network.

Scalability is a key characteristic of the AR700 Series. Organizations can easily expand their network capabilities as they grow, with support for various interface modules. This flexibility enables businesses to adapt their infrastructure without the need for complete overhauls, making it a cost-effective solution in the long run.

Management and monitoring of the AR700 Series are also streamlined, thanks to user-friendly interfaces and comprehensive management tools. IT teams can efficiently configure, monitor, and troubleshoot the network, ensuring optimal performance and reducing downtime.

In summary, the Allied Telesis AR700 Series routers combine advanced routing capabilities, robust security features, and scalable designs to meet the evolving needs of modern networks. With support for QoS, versatile protocols, and easy management, these devices are well-equipped to handle the demands of today's data-driven environments, making them an excellent choice for organizations aiming to improve their network performance and security.