Endpoint Definition: An Endpoint  comprises: One MAC Address Zero or More IP Addresses Traditional Network Address Tables:  In...

This is a very useful tool for capturing traffic destined for the leaf, spine or APIC i.e. within fabric. This method can be used also...

Step 1: Take one more host say 6.6.6.2/24 Let’s assign 6.6.6.2/24 to interface eth1/21 of NX-Sw which is directly connected to eth1/11 of...

ELAM Packet capture: Step 1: Kindly check the hardware module to see what inputs must be there in command i.e. tah/roc/app /// N9K-C*-EX- Leaf ----------------------- tah N9K-C*FX/FXP/FX2 -Leaf ------------ roc N9K-C*-GX – Leaf ----------------------app// Recommended Best Practices: To capture a packet with VLAN encapsulation on a downlink port, use 'in-select 6' . To capture a packet with VXLAN encapsulation (whether from a spine or a vleaf with VXLAN encapsulation

Step 1: Let’s configure Host with ip 3.3.3.1/24 As I am using Nexus Switch whose interface eth1/9 is directly connected to Leaf2 int...

1) MD5 To calculate md5 checksum of file Open cmd & Go to the directory certutil -hashfile YourImageFileName.iso MD5 2) ELAM ///...

NTP uses the User Datagram Protocol (UDP) & all NTP communications use Coordinated Universal Time (UTC). NTP uses a Stratum to describe...

The Cisco Application Policy Infrastructure Controller (APIC) works as a smart policy manager, sending the required policy settings to the fabric and applying any needed changes. It is separate from both the control and data planes, meaning it doesn't get involved in the traffic flow or affect traffic flow in any way . This separation allows the APIC to manage policies efficiently without affecting the movement of data in the network. The rules to connect the APIC server to l

Both APIC L1/M1 and APIC L2/M2 servers have reached their end-of-sales and end-of-life date. APIC servers forming a cluster must all run...

Lab Setup Create three VMs of CentOS. One will act as a controller and the rest two as workers. Install ansible rpm -qa | grep ansible...

Search Everywhere Double Shift Go To File Ctrl+Shift+N Recent Files Ctrl+E Navigation Bar Alt+Home Print "Hello Mukesh" --> Right Click +...

BSS: Basic Service Set (Range of the wireless adaptor of laptop/mobile) ESS: Extended Service Set (More than one Access Point sharing the...

Hook Firewall & Panorama Step 1: Go to Firewall and add the IP address of Primary and secondary Panorama. Step 2: Go to Panorama and in...

1) How do you handle the pressure? I stay calm under pressure and handle it well. My complete focus is on the job done. I will break the...

Can you explain what Cisco ACI is and its key features? Cisco ACI, or Application Centric Infrastructure, is a software-defined...

Let's have a look at ip address of two site for which we need to configure site to site VPN Let's configure Router A Step 1: Create an...

IPsec rides on Layer3 of TCP/IP. SSH & SSL rides on layers 4 -7. In transport mode layer 4 and above is encrypted whereas in tunnel mode...

Routing + Switching Loopguard Loopguard come into action only when the BPD's suddenly disappeared. It is incompatible with Root Guard....

R+S What is PTP used for? The Precision Time Protocol (PTP) is a protocol used to synchronize clocks throughout a computer network. On a...

ISE Use Cases 1) Visibility: What all users & devices are on the network and where are they connected. Where are phones, printers,...