This blog post addresses some of the common areas of confusion and concern, and touches on a few best practices for maximizing the value of using Cisco Nexus 9000 switches for Data Center fabric deployments by leveraging the available Intelligent Buffering capabilities.
The world of data center networks is evolving at an ever-increasing pace. Businesses are being faced with the growing complexity of scaling data center fabrics, while also ensuring the isolation and security of customer data. Fundamental to this isolation of customer traffic is network virtualization, of which Cisco has been a constant innovator.
Cisco remains laser-focused on listening, executing and delivering world-class solutions to our customers on their path to digital network transformation. And if you are ready, we are here to help. Reach out to your Cisco sales team to start your BGP EVPN VXLAN journey.
As the number of EVPN leaf nodes increases overlay prefixes and the blast radius in the network grows, the network architects shall consider building a structured Multi-Site overlay networking solution.
In today’s world, multicast senders and receivers are not limited to a single network. They can be spread across enterprise and data center locations. Multicast can be generated or consumed anywhere and can be present in various security contexts – be it a tenant of VXLAN EVPN -based data center or within a traditional IP multicast network.
Cisco Nexus 9000 Series NX-OS VXLAN addresses the most prevalent loop scenarios within and among multi-site data centers to build and maintain a stable and resilient network architecture for your organization.
Acquisition and mergers involve integration of both business and IT infrastructure and there is a need for fast and seamless integration. Similarly, in shared-services scenario, tenants in a network need transparent access to the extranet or shared services in more flexible fashion. Cisco VXLAN EVPN Downstream VNI provides greater flexibility and time savings when it comes to integration of disjoint networks and shared-service deployments.
Business-critical applications need redundant data centers to maintain high-availability. But data transfers between Availability Zones and Regions generally have to travel over public infrastructure, which are more vulnerable to threats. Using Multi-Site Secure VXLAN EVPN with CloudSec provides state-of-the art Data Center Interconnect with Confidentiality, Integrity, and Availability.
With the expansion of network virtualization, infrastructure resources like IP addresses have to be reserved for applications and services as well. As a result, IP address overlap occurs in the underlay and overlay, exhausting unique RFC1918 addresses.
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