What is OTV used for?


OTV is a MAC-in-IP method that extends Layer 2 connectivity across a transport network infrastructure.

OTV uses MAC address-based routing and IP-encapsulated forwarding across a transport network to provide support for applications that require Layer 2 adjacency, such as clusters and virtualization..

What is Amazon VPC used for?

Amazon Virtual Private Cloud (Amazon VPC) enables you to launch AWS resources into a virtual network that you’ve defined. This virtual network closely resembles a traditional network that you’d operate in your own data center, with the benefits of using the scalable infrastructure of AWS.

What is vPC in Nexus and what are its benefits?

Benefits of vPC A virtual port channel (vPC) allows links that are physically connected to two different Cisco Nexus 7000 Series devices to appear as a single port channel to a third device. The third device can be a switch, server, or any other networking device that supports link aggregation technology.

vPC peer link: The vPC peer link is the link used to synchronize states between the vPC peer devices. The vPC peer link carries control traffic between two vPC switches and also multicast, broadcast data traffic. In some link failure scenarios, it also carries unicast traffic.

What is vPC in data center?

A virtual private cloud (VPC) is an on-demand configurable pool of shared computing resources allocated within a public cloud environment, providing a certain level of isolation between the different organizations (denoted as users hereafter) using the resources.

What is vPC and how it works?

A virtual private cloud (VPC) is a virtual network dedicated to your AWS account. It is logically isolated from other virtual networks in the AWS Cloud. … You can specify an IP address range for the VPC, add subnets, associate security groups, and configure route tables. A subnet is a range of IP addresses in your VPC.

What happens if vPC keepalive fails?

vPC peer-link failure If peer-link fails, then all the member ports from vPC secondary node will be suspended. Here important to note, keep-alive is active in this scenario, which allowing nodes to exchange heartbeat. Solution: Make sure peer-link is UP and running.

What is difference between VSS and vPC?

3) VSS can support L3 port-channels across multiple chassis,however, vpc is used for L2 port-channels only. … 4) VSS supports both PAgP and LACP,however, VPC only supports LACP. 5) VSS mainly used for campus environment whereas VPC is used for Data Center environment.

What is VSS in Nexus?

The goal of this paper is to allow the end user to understand the interoperability and best practices when connecting Multichassis EtherChannel (MEC) on the Cisco® Catalyst® 6500 Virtual Switching System (VSS) with a Virtual Port Channel (vPC) on Cisco Nexus™ 7000.

How do I check my vPC status?

To verify vPCs using the CLI, perform one of these tasks:Purpose. Command. … show running-config vpc. Checks the status of the vPCs. … show vpc peer-keepalive. Verifies that the vPC peers have the identical type-1 parameters.show vpc consistency-parameters. … show tech-support vpc. … show port-channel summary.

What devices support VPC?

Supported Topologies for Routing in a vPC EnvironmentA pair of similar Nexus switches configured in a vPC domain.Three Layer 3 devices (L3-A, L3-B, and L3-C) connected to a pair of Nexus switches.L3-A is connected to an orphan port.L3-B and L3-C are connected with vPC to Nexus-A and Nexus-B.More items…•

What is difference between vPC and port channel?

A Virtual Port Channel (vPC) is an enhancement to MEC that allows for the same sort of functionality — building a port channel across two switches — without the need for Stackwise or VSS.

What is vPC peer switch?

When a Virtual Port Channel (vPC) is configured and operational, the Spanning Tree Protocol (STP) continues running on both vPC peer devices. The vPC peer switch is introduced to address performance concerns around these STP convergence events.

Why do we need VPC?

Q: Why should I use Amazon VPC? Amazon VPC enables you to build a virtual network in the AWS cloud – no VPNs, hardware, or physical datacenters required. You can define your own network space, and control how your network and the Amazon EC2 resources inside your network are exposed to the Internet.