Description
Maximizing Performance and Scalability
Maximizing the performance and scalability of a Cisco 3925E Integrated Services Router (C3925E-VSEC/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 C3925E-VSEC/K9 router:
- Utilizing Modular interfaces: The C3925E-VSEC/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): 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 High-speed routing: The C3925E-VSEC/K9 supports high-speed routing for data, voice, and video traffic, with throughput of up to 2 Gbps. By utilizing these high-speed routing features, you can ensure that the network can handle the demands of high-bandwidth applications and services.
- 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 scalability issues.
- Utilizing Software Upgrade: Regular software upgrades can help to improve the performance and scalability of the router by providing new features and capabilities, as well as addressing bugs and other issues.
Backup and Restore Procedures
The Cisco 3925E Integrated Services Router (C3925E-VSEC/K9) supports several methods for backing up and restoring the router’s configuration. Here are a few common methods:
- Using the Cisco Configuration Professional (CCP) or CLI: The router can be configured and managed using the Cisco Configuration Professional (CCP) or the Command Line Interface (CLI). Both of these interfaces allow you to save the current configuration to a file, which can then be used to restore the configuration in case of failure or other issues.
- Using the “copy” command in CLI: The router can be configured and managed using the Command Line Interface (CLI). By using the “copy” command in CLI, the current configuration can be saved to a file, which can then be used to restore the configuration in case of failure or other issues.
- Using a TFTP server: The router’s configuration can be backed up to a Trivial File Transfer Protocol (TFTP) server. This can be done using the “copy” command in CLI, which allows you to copy the current configuration to a file on a TFTP server. To restore the configuration, the file can be copied back to the router from the TFTP server.
- Using the Cisco Network Services Manager (NSM): The Cisco Network Services Manager (NSM) is a network management platform that can be used to manage and configure multiple routers, including the C3925E-VSEC/K9. The NSM allows you to save the configuration of the router to a file, which can then be used to restore the configuration in case of failure or other issues.
Quality of Service (QoS) Capabilities
The Cisco 3925E Integrated Services Router (C3925E-VSEC/K9) supports Quality of Service (QoS) capabilities that can be used to prioritize and manage network traffic to ensure that critical applications and services receive the bandwidth and resources they need. Some of the key QoS features and capabilities of the C3925E-VSEC/K9 include:
- Class-Based Weighted Fair Queuing (CBWFQ): This feature allows you to assign different priorities to different types of traffic, based on their IP address, protocol, or port number, and then allocate bandwidth to each class of traffic accordingly.
- Low Latency Queuing (LLQ): This feature is used to give priority to delay-sensitive traffic, such as voice and video, over less critical traffic, such as data and email. This helps to ensure that delay-sensitive traffic is delivered with minimal delay, even during periods of high network congestion.
- Weighted Random Early Detection (WRED): This feature is used to manage congestion on the router by randomly dropping packets that belong to lower-priority traffic classes when the buffer becomes full. This helps to ensure that delay-sensitive traffic is delivered with minimal delay, even during periods of high network congestion.
- Modular Quality of Service Command-Line Interface (MQC): This feature provides a powerful and flexible way to configure and manage QoS on the router. It allows you to create and manage a wide range of QoS policies and apply them to different types of traffic, based on their IP address, protocol, or port number.
- Class-Based Marking (CB Marking): This feature allows you to mark the traffic based on their priority, for example, voice traffic can be marked with DSCP value of EF and data traffic can be marked with DSCP value of AF31. This marking can be used for downstream devices for further traffic management.
General Information
- Manufacturer: Cisco
- Manufacturer Part Number: C3925E-VSEC/K9
- Product Series: 3900
- Product Name: 3925E Integrated Services Router
- Product Type: Router
Interfaces/Ports
- Total Number of Ports: 4
- USB: Yes
- Management Port: Yes
- Number of Broadband (RJ-45) Ports: 4
I/O Expansions
- Number of Total Expansion Slots: 11
- Expansion Slot Type: HWIC
- Expansion Slot Type: PVDM
- Expansion Slot Type: SFP (mini-GBIC)
Network & Communication
- Network Technology: 10/100/1000Base-T
- Ethernet Technology: Gigabit Ethernet
Management & Protocols
- Security Features:
- Cisco Security Manager
- Cisco IOS Firewall
- Cisco IOS Zone-Based Firewall
- Cisco IOS IPS
- Cisco IOS Content Filtering
- Flexible Packet Matching (FPM)
- AAA
Memory
- Standard Memory: 1 GB
- Maximum Memory: 2 GB
- Memory Technology: DRAM
- Flash Memory: 256 MB
- Memory Card Supported: CompactFlash (CF) Card
Power Description
- PoE (RJ-45) Port: Yes
- Input Voltage: 110 V AC
- Input Voltage: 220 V AC
- Power Source: Power Supply
