Networking Knowledge Base

General Questions:Questions on 6800 Virtual Switching System(VSS):Questions on Instant Access(IA):Related Information   With Vivek Baveja These are the slides from the live webcast. Vivek Baveja brings more than 17 years of networking technology and ...

ResolutionBroadcast suppression prevents the disruption of switched ports on a LAN when a broadcast storm occurs on one of the ports. A LAN broadcast storm occurs when broadcast or multicast packets flood the LAN. A broadcast storm creates excessive ...

Welcome to the newest installment of the #CiscoChat podcast. In this episode, you’ll get to meet the latest, greatest addition to the Cisco ONE Software family: the Cisco ONE Subscription for Switching Software.That’s where the Cisco ONE Subscription...

Cisco DNA Software Demo SeriesDrop in for a live demo and Q&A with Cisco networking and security experts. See the latest technology innovations and product features of Cisco Digital Network Architecture (DNA).Join us at a time that is convenient for ...

Read the full blog: https://blogs.cisco.com/enterprise/introducing-a-new-software-subscription-for-cisco-dnaThe promise of Cisco ONE Software – an easier, valuable way of consuming infrastructure software suites. Cisco is introducing new subscription...

Cisco Services can guide you toward a network that constantly learns, adapts, and protects. View 4 Steps to the New Network.

Many of the EEM applet actions set some built-in variable to indicate their success status or store some result data.  Unfortunately, these variables are not well documented...until now.  Below is a list of actions and the variables that they instant...

This document has been moved to Cisco.com https://www.cisco.com/c/en/us/support/docs/ip/border-gateway-protocol-bgp/213285-understand-the-importance-of-bgp-weight.html

ResolutionTo resolve this issue, perform these steps:To erase the configuration file, issue the erase nvram: command.Reload the router by issuing the reload command.If this does not solve the problem, attempt to break into ROM Monitor (ROMmon) by iss...

Leo Laohoo A network engineer for the government of Canberra, Australia, specializes in wireless technology. He enjoys participating in the Cisco Support Community because it’s a “two-way street.” He explains, “If I can help someone else, I’m happy....

Hi, I know the basics for Cisco routers and switches but what I want to know is, if I set up VTP on a switch, is there a way to send it through routers to other switches? This will probably end up more hassle than gain, but it's interesting and cool...

This document explains how traceroute works differently in an MPLS Core compared to normal IP-based routing. First, a quick recap on how a UDP traceroute is performed in an IP network. The source sends the first UDP probe to the destination with a TT...

Introduction This document explains the NAT Box to Box High Availability feature overview of ISRG2 Router. Background of This Feature The Stateful NAT was available with IOS as a redundancy feature of the router that uses Dynamic NAT. However, the I...

Hello everyone, In this document, I am going to represent how Route Target Constraint (RTC) can highly reduce the number of routes advertised by route reflector to route reflector clients in MPLS VPN environment. The configuration is very simple but ...

Hello everyone, When there are two ABRs connecting two areas, we should connect them via two links. For example, if there are two ABRs between area 0 and area 1, we need to connect them through two links, one in area 0 and other one in area 1. It ma...