Description
Performance Optimization and Monitoring
The N2K-C2248PQ Cisco Nexus 10GE Fabric Extender Expansion Module can be optimized for performance and monitored for efficient operation in several ways.
- Bandwidth Utilization Monitoring: The N2K-C2248PQ supports a range of monitoring features that allow for real-time and historical data analysis of bandwidth utilization. Administrators can track port-level and VLAN-level statistics, monitor network congestion, and identify bottlenecks to optimize network performance.
- Quality of Service (QoS): The N2K-C2248PQ Fabric Extender supports QoS features that prioritize traffic and ensure that important applications receive the necessary bandwidth. QoS features can be configured on a per-port or per-VLAN basis, and can include policies for traffic shaping, rate limiting, and packet classification.
- Spanning Tree Protocol (STP) Optimization: The N2K-C2248PQ supports STP optimization techniques such as PortFast and BPDU Guard to reduce convergence times and minimize network downtime. Administrators can configure these features to ensure that network traffic is quickly redirected in the event of a link or switch failure.
- Network Analytics: The N2K-C2248PQ supports a range of network analytics tools that can provide deep insights into network performance. These tools can include packet capture and analysis, flow monitoring, and performance reporting. By analyzing network traffic and identifying potential bottlenecks or issues, administrators can take proactive steps to optimize performance and ensure that the network is operating efficiently.
- Port Configuration Optimization: Administrators can optimize the configuration of the N2K-C2248PQ’s ports to improve performance. This can include configuring port speed and duplex settings, enabling Jumbo Frames, and configuring Flow Control settings. By optimizing port configuration settings, administrators can maximize network throughput and reduce latency.
High Availability and Redundancy
The N2K-C2248PQ Cisco Nexus 10GE Fabric Extender Expansion Module supports various high availability and redundancy features to ensure continuous network connectivity and minimize downtime.
One of the key features is the support for Virtual PortChannel (vPC) technology, which enables the creation of a logical PortChannel across two separate Nexus switches, providing redundancy and load balancing. The N2K-C2248PQ can participate in a vPC domain and support up to eight active links in a PortChannel.
Another important feature is the support for dual-homing, which enables the N2K-C2248PQ to connect to two upstream switches simultaneously for redundancy. The N2K-C2248PQ supports two modes of dual-homing: active-standby and active-active. In active-standby mode, only one upstream link is active while the other link is in standby mode. In active-active mode, both links are active, providing load balancing and redundancy.
The N2K-C2248PQ also supports the use of Fabric Extender Topology (FEX) pinning, which allows traffic to be pinned to a specific uplink port in the event of an uplink failure. This ensures that traffic is not disrupted and continues to flow over the remaining uplink ports.
Additionally, the N2K-C2248PQ supports the use of Cisco Nonstop Forwarding (NSF) and Stateful Switchover (SSO) technologies. These features provide a fast failover mechanism in the event of a switch failure, with the standby switch taking over without any disruption to network traffic.
Security Features and Considerations
The N2K-C2248PQ Cisco Nexus 10GE Fabric Extender Expansion Module has several security features and considerations to ensure the safety and protection of the network infrastructure.
- Access Control: The N2K-C2248PQ has built-in access control features to limit access to the network. The access control list (ACL) allows network administrators to control the type of traffic that enters or exits the network. This feature prevents unauthorized access to the network.
- Secure Management Access: The N2K-C2248PQ offers secure management access through protocols such as Secure Shell (SSH) and Secure Sockets Layer (SSL). These protocols ensure that communication between the network administrator and the switch is encrypted, preventing eavesdropping and unauthorized access.
- Network Segmentation: The N2K-C2248PQ allows network administrators to segment their network into smaller sections or VLANs. This segmentation helps to contain potential threats and prevent unauthorized access to sensitive areas of the network.
- Port Security: The N2K-C2248PQ has port security features that enable network administrators to limit the number of MAC addresses allowed on a port. This feature prevents unauthorized devices from connecting to the network, ensuring that only authorized devices are allowed access.
- DHCP Snooping: The N2K-C2248PQ supports DHCP snooping, a security feature that prevents rogue DHCP servers from assigning IP addresses to unauthorized devices. This feature ensures that only authorized devices receive an IP address and limits the risk of unauthorized access.
- IP Source Guard: The N2K-C2248PQ supports IP source guard, which helps prevent IP spoofing attacks. IP source guard ensures that only authorized devices are allowed to send traffic to the network.
- Authentication and Authorization: The N2K-C2248PQ supports several authentication and authorization protocols such as 802.1X, TACACS+, and RADIUS. These protocols ensure that only authorized users are allowed to access the network.
- Role-Based Access Control: The N2K-C2248PQ supports role-based access control, which allows network administrators to define different access levels for different users. This feature ensures that users have access only to the resources they need to perform their job functions.
General Information
- Manufacturer: Cisco Systems, Inc
- Manufacturer Part Number: N2K-C2248PQ
- Brand Name: Cisco
- Product Line: Nexus
- Product Series: 2000
- Product Model: 2248PQ
- Product Name: Cisco Nexus 2248PQ 10GE Fabric Extender
- Product Type: Fabric Extender
- Device Type: Expansion module
Miscellaneous
- Additional Information-
- 10GE Fabric Extender
- 2 Power Supplies
- 4 Fan Module
- 48×1/10GE (req SFP/SFP+) + 4x40G QSFP+(req QSFP+)
Compatibility
- Cisco Nexus 5000, 6000, or 7000 Series Switch
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