• Author : Sarthak P Shetty

 
 

BFD troubleshooting tips

BFD quick introduction: What is BFD? Bidirectional Forwarding Detection(BFD) is a low overhead protocol designed to provide rapid detection of failures in the path between adjacent forwarding engines over any media and at any protocol layer – this base protocol is defined in RFC5880. It does not operate independently, but only as an adjunct to routing protocols Operation: BFD is a simple Hello protocol that involves  a pair of systems transmitting BFD packets periodically over a path between the two systems, and if a system stops receiving BFD packets  for long enough , that bidirectional path is assumed to have...
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IGMP Host-proxy

Interfaces on the switch can be configured to serve as IGMP host proxies. An IGMP host proxy exchanges IGMP reports (joins/leaves) between networks whose connection does not support PIM along network boundaries. Let’s take the example shown below: The customer network connects to the sender network through the edge switch’s Ethernet 1 interface, which is configured as an IGMP host proxy. PIM is enabled within the publisher and customer networks but not on the connection between the networks.   When only “ip igmp host-proxy” is configured on the interface, IGMP reports will be sent for any (*,G) or (S,G) entry...
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How to FTP/SCP/WinSCP

In this document we will look at tools for quickly uploading and downloading files between hosts and Arista switches. 1) SCP On a Linux or Mac, scp is a CLI tool already built in and can be invoked by using the scp command. SCP or secure copy allows secure transferring of files between a local host and a remote host or between two remote hosts. It uses the same authentication and security as the Secure Shell (SSH) protocol from which it is based. Before we look at the commands and examples, please make sure steps given below are followed:  ...
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