IPv4 32 bit long & contains 4 octets. Each octet has 8 binary bits IPv4 class range Subnetting Host Bit = 0 Network Bit = 1 We got Class...

Multi-Site Connectivity can be done through ISN. The ISN between sites must support these specific functionalities: System --> System...

Features of ACI Multi-Pod Disaster Recovery : Helps create a system that ensures business operations continue even during disasters....

Each EGP is represented by PCTag 2. Shadow EPG (Firewall) connect to the service Device (EPG) 3. Traffic in between EGPs will be...

Introduction Pre-PBR Deployment Traffic Flow: Before deploying a service graph with Policy-Based Routing (PBR), Cisco ACI relies on its...

We are using a nexus switch as a Neighbour of BL We will be creating neighborship with routed interface as well as through Vlan (SVI)...

Service Graph with PBR and without PBR The design that uses service graph without PBR requires multiple VRFs. The use of service graph...

This is very useful in a lab environment in which you could establish multiple BGP neighborship with single physical link between ACI &...

Let's check the output of our Nexus Switch with whom we are going to create BGP neighbourship with ACI. n9k# show run | section bgp...

Connectivity between NK9 and Leaf Port n9k# show lldp nei int eth1/25 Device ID            Local Intf      Hold-time Capability  Port ID...

Step 1: Let’s create AP1, BD1 & EPG1 along with the following subnets. 222.222.221.1/24 —> Advertise Externally 222.222.222.1/24 —>...

The requirement here is that EPG 1 – 4 should be allowed to talk to each other without any security rules, while the rest EPGs 5 - 7...

What is vzAny? In Cisco ACI, each VRF automatically has a special object called vzAny : It represents all  EPGs inside that VRF. Instead...

Default fallback login APIC GUI : apic:fallback\\admin APIC CLI : apic#fallback\\admin Step 1 : Create a TACAS+ Provider Group 2) Create...

SPAN (Switched Port Analyzer) Types of SPAN Local SPAN Support:  Supported by Cisco. Functionality: Traffic is mirrored to an interface...

Understanding pcTag in Cisco ACI 1. What is pcTag? pcTag (Policy Control Tag): A unique identifier assigned to each Endpoint Group (EPG)...

Shared Service Definition: A shared service, such as the Domain Name System (DNS), is utilized by multiple tenants (organizations) within...

Default-export route profile with a prefix-list in the L3Out. In this scenario, the Legacy router must establish communication with the subnet 172.16.1.0/30, located behind the Partner Router, via the Cisco ACI fabric. The Cisco ACI fabric must seamlessly advertise and export the subnet 172.16.1.0/30, learned from the L3Out Partner, to the L3Out Legacy, enabling smooth and efficient routing across the network infrastructure. The above objective can be achieved by two ways. Op

Steps to Install Certificate in APIC   1) Download root & intermediate CA certificate. 2) Open root CA certificate in notepad and copy...

Step 1: Let’s use one of the leafs with ip 10.197.205.38 as remote server (Practically it would be server in your network) Step 2: We are...