Latest Blog Posts
Suresh Thapa
Building a Cisco VXLAN EVPN Fabric with NX-OSv – Part 2: EVPN Control Plane (BGP) & Multicast (PIM Anycast RP)
In Part 1, we built a stable underlay using OSPF and Layer 3 interfaces. Now, we move to the control plane and multicast foundat…..
Suresh Thapa
Building a Cisco VXLAN EVPN Fabric with NX-OSv – Part 1: Underlay Network & Interface Configuration (OSPF)
In modern data center networks, scalability and flexibility are critical. Traditional Layer 2 designs struggle with limitations l…..
Suresh Thapa
Part 7: Designing a Scalable Cisco Network Topology: HSRP for Redundant Gateway Configuration
High Availability is crucial in enterprise networks — especially at the default gateway level. If the gateway fails, devices in t…..
Suresh Thapa
Part 6: Designing a Scalable Cisco Network Topology: Inter-VLAN Routing with Layer 3 Switches Using SVIs
By default, VLANs on a switch are isolated from one another — devices in VLAN 10 can’t communicate with devices in VLAN 20 unless…..
Suresh Thapa
Part 5: Designing a Scalable Cisco Network Topology: Link Aggregation with EtherChannel
As networks grow, link redundancy and bandwidth become essential for handling more traffic and ensuring resilience. Cisco's Ether…..
Suresh Thapa
Part 4: Designing a Scalable Cisco Network Topology: Spanning Tree Protocol (STP) to Prevent Loops and Ensure Network Stability
In a switched network with redundant links, Layer 2 loops can cause broadcast storms, MAC table instability, and complete network…..