When should I use overlay vs. l2bridge networking? In short, the answer to this question really depends on a user’s goals and requirements. There are many reasons why attaching containers to an underlay network via a network mode like “l2bridge” may be desired. For example, user...
But BGP-LSVR has the advantage of the underlay and overlay both being BGP, as well as improved convergence times. And possibly dinosaurs wreaking havoc on humanity, but we’ll save that for the sequel.For more Arrcus goodness, I recommend watching the Network Field Day 21 Arrcus videos, esp...
CiscoACIoffers a consolidated overlay and underlay solution that can be fully automated via OpenStack and the Cisco APIC. This solution scales to over 180,000 virtual machines and thousands of hypervisor hosts without the introduction of centralized bottlenecks or gateways. It offers deep t...
METHOD, APPARATUS, AND COMPUTER PROGRAM PRODUCT TO SUPPORT MULTIPLE SLICES IN CASE OF OVERLAYUNDERLAY NETWORKINGA method, apparatus, and computer program product are provided for supporting the identification and selection of multiple network slices for remote user equipment. In the context of a method...
terminating the overlay on physical devices, such as top-of-rack switches, routers, appliances, etc. managing interactions between the overlay and the physical devices that provide the underlay. The latter topic is something we’ve addressed in some other recent posts (here,hereandhere) — in ...
When I was learning EVPN/VXLAN I made sure to put OSPF as an underlay. I knew it well enough to do the job it was intended for, and I was less confident with BGP. It really helped to have BGP only be involved with the overlay. As I was playing with settings, figuring out what ...
The access point is part of the fabric overlay. The wireless client is part of the fabric overlay. The access point is part of the fabric underlay. The WLC is part of the fabric underlay.In a Cisco SD-Access solution, what is the role of a fabric edge node? to connect external Layer...
The CE switch functions as a Layer 2 VXLAN gateway to connect the BMs to the overlay network, implementing communication between VMs and BMs. Figure 2-1 Typical networking for interconnection deployment Preparing the Underlay Network Connecting a CE Switch to the NSX Network Deploying Reliability...
EVPN-IRB (Integrated Routing and Bridging) is a technology that leverages BGP EVPN as common overlay control plane to enable VPN routing and bridging service over an MPLS or IP underlay fabric. Point to multi-point bridging service enables VLANs to be stretched across data center IP or MPLS ...
Application endpoint hosts can be flexibly placed in the data center network without concern for the Layer 3 boundary of the underlay infrastructure, while maintaining Layer 2 adjacency in a VXLAN overlay network. Cisco APIC Layer 2 Networking Configuration Guide, Release 6.0(x) 5 ...