C3925-AX/K9 Cisco 3925 Application Experience-Router Modular Refurbished

Introduction to the Cisco Router

The Cisco 3925 Application Experience Router (C3925-AX/K9) is a powerful and versatile network device that is designed to provide advanced routing, security, and application optimization capabilities for enterprise, branch, and small office networks. The C3925-AX/K9 is a modular router that provides enhanced performance and flexibility to support a wide range of network services and applications.

The C3925-AX/K9 router supports a variety of interfaces, including Gigabit Ethernet, T1/E1, and serial, which allows it to connect to a wide range of devices and networks. It also supports a variety of advanced routing protocols, such as Border Gateway Protocol (BGP), Open Shortest Path First (OSPF), and Routing Information Protocol (RIP), to help ensure optimal routing and performance.

In terms of security, the C3925-AX/K9 includes a variety of advanced security features, such as firewall, VPN, Intrusion Prevention System (IPS), and Identity Services Engine (ISE), to help protect the network and its resources from a wide range of security threats and attacks.

The C3925-AX/K9 also supports a variety of application optimization features, such as Quality of Service (QoS), link efficiency mechanisms, and Application Visibility and Control (AVC), which can be used to optimize the performance of specific applications and services.

The C3925-AX/K9 is also designed to be highly manageable and configurable, with a web-based interface and a variety of management and monitoring tools. It also supports a variety of network management protocols, such as Simple Network Management Protocol (SNMP) and Cisco Discovery Protocol (CDP), to help make it easier to monitor and manage the network.

Maximizing Performance and Scalability

Maximizing the performance and scalability of a Cisco 3925 Application Experience Router (C3925-AX/K9) involves implementing strategies and techniques to ensure that the router can handle the demands of a growing network, while maintaining optimal performance and reliability. Here are a few ways to maximize the performance and scalability of the C3925-AX/K9 router:

• Utilizing Modular interfaces: The C3925-AX/K9 has a variety of modular interfaces, such as Gigabit Ethernet, T1/E1, and serial, that can be used to increase the overall capacity and performance of the router. By adding more interfaces, you can increase the number of devices that can be connected to the network and also increase the throughput of the router.
• Utilizing Quality of Service (QoS): Quality of Service (QoS) is a set of technologies and techniques that can be used to prioritize and manage network traffic. By implementing QoS, you can ensure that critical applications and services receive the bandwidth and resources they need, while non-critical traffic is managed in a way that does not impact the performance of the network.
• Utilizing advanced routing protocols: C3925-AX/K9 supports advanced routing protocols such as Border Gateway Protocol (BGP), Open Shortest Path First (OSPF), and Routing Information Protocol (RIP) which allows for optimal routing and performance.
• Utilizing Advanced security: The router includes a variety of advanced security features, such as firewall, VPN, Intrusion Prevention System (IPS), and Identity Services Engine (ISE), to help protect the network and its resources from a wide range of security threats and attacks. By implementing these security features, you can help to ensure that the network is protected from potential security threats, which can help to increase overall network performance and scalability.
• Utilizing Network Management tools: Cisco provides several network management tools that can be used to monitor, troubleshoot, and optimize the network. These tools can provide detailed information about the network and its resources, which can be used to identify and resolve performance and scalabiliy.

Routing Protocols

The Cisco 3925 Application Experience Router (C3925-AX/K9) supports a variety of routing protocols that can be used to optimize the performance and reliability of the network. Here are a few of the main routing protocols that the C3925-AX/K9 supports:

• Routing Information Protocol (RIP) : It's a distance-vector routing protocol that uses hop count as a metric to determine the best path to a destination. It's simple to configure and implement but it has a limitation of 15 hops.
• Open Shortest Path First (OSPF): It's a link-state routing protocol, which means that each router in an OSPF network advertises its own link-state information to all other routers in the network. OSPF uses a metric based on bandwidth, delay, reliability, and load to determine the best path to a destination.
• Border Gateway Protocol (BGP): It's an exterior routing protocol used to exchange routing information between different autonomous systems (ASs) on the Internet. BGP is commonly used to establish routing between different service providers.
• Enhanced Interior Gateway Routing Protocol (EIGRP): It's a Cisco proprietary routing protocol that is similar to OSPF in terms of functionality and features. EIGRP is considered to be a more advanced and efficient protocol than OSPF and is often used in large enterprise networks.
• Intermediate System-to-Intermediate System (IS-IS): It is a link-state routing protocol that is similar to OSPF in terms of functionality and features. IS-IS is often used.

General Information

• Manufacturer Cisco
• Manufacturer Part Number C3925-AX/K9
• Product Series 3900
• Product Model 3925
• Product Name 3925 Router
• Product Type Router

Interfaces / Ports

• Total Number of Ports 3
• USB Yes
• Powerline No
• Management Port Yes
• Number of Broadband (RJ-45) Ports 3

I/O Expansions

• Number of Total Expansion Slots 13
• Expansion Slot Type SFP (mini-GBIC)
• Expansion Slot Type ISM
• Expansion Slot Type EHWIC
• Expansion Slot Type PVDM

Network & Communication

• Network Technology 10/100/1000Base-T
• Ethernet Technology Gigabit Ethernet

Management & Protocols

• Security Features
• ACL
• IPsec
• L2TPv3
• Cisco IOS Firewall
• Cisco IOS Zone-Based Firewall
• Cisco IOS IPS
• Cisco IOS Content Filtering
• Flexible Packet Matching (FPM)

Memory

• Standard Memory 1 GB
• Maximum Memory 8 GB
• Memory Technology DDR2 SDRAM
• Flash Memory 256 MB

Power Description

• PoE (RJ-45) Port No
• Input Voltage 220 V AC
• Input Voltage 110 V AC
• Power Source Power Supply

Miscellaneous

• Package Contents
• 3925 Router
• Services Performance Engine (SPE100)
• Certifications & Standards Safety:
• UL 60950-1
• CAN/CSA C22.2 No. 60950-1
• EN 60950-1
• AS/NZS 60950-1
• IEC 60950-1
• EMC:
• 47 CFR, Part 15
• ICES-003 Class A
• EN55022 Class A
• CISPR22 Class A
• AS/NZS 3548 Class A
• VCCI V-3
• CNS 13438
• EN 300-386
• EN 61000 (Immunity)
• EN 55024
• CISPR 24
• EN50082-1
• Telecom:
• TIA/EIA/IS-968
• CS-03
• ANSI T1.101
• ITU-T G.823, G.824
• IEEE 802.3
• RTTE Directive