Cisco router Planes

The router is typically segmented into three planes, each with a clearly identified objective. The dataplane allows the ability to forward packets; the control plane allows the ability to route data correctly; and the management plane allows the ability...

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Cisco Technologies to Secure Router Planes

Data Plane: TechnologiesNetFlowAccess Control ListUnicast Reverse Path Forwarding (uRPF)Remote Triggered Black Hole (RTBH)QoS Tools Management Plane: CPU/Memory Threshold NotificationManagement Plane Protection (MPP)Role Based Access Control (RBACL)Secure...

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Understand Cisco New IOS Packaging

Cisco IOS® Packaging simplifies the image selection process by consolidating the number of packages and using consistent package names across platforms.Cisco has begun repackaging all IOS versions with its new naming conventions, starting with IOS version...

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VLANs Basics

VLANs are broadcast domains in a Layer 2 network. Each broadcast domain is like a distinct virtual bridge within the switch. Each virtual bridge you create in a switch defines a broadcast domain. By default, traffic from one VLAN cannot pass to another...

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Cisco Career Certifications Path

General Certifications: Three Levels of Certification Associate: The first step in Cisco networking begins at the Associate level, which also includes CCENT, an interim step to Associates for those with little job experience. Think of the Associate level...

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Difference between IGP(Interior Gateway Protocols) & EGP(Exterior Gateway Protocols)

IGP: Within a single autonomous systemSingle network administrationUnique routing policyMake best use of network resourceAn IGP (Interior Gateway Protocol) is a protocol for exchanging routing information between gateways (hosts with routers) within...

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Why to use the Cisco Enterprise Composite Model

Cisco has used the three-level hierarchical network design model for years. This older model (also referred to as the switch block model) provided a high-level idea of how a reliable network could be conceived but was largely conceptual, because it did...

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Cisco CCNA Security 640-553 IINS Tutorials Part-16

Rivest, Shamir, and Adleman (RSA) Invented by Ron Rivest, Adi Shamir, and Len Adleman in 1977, RSA is one of the most common asymmetric algorithms in use today. This public-keyalgorithm was patented until September 2000, when the patent expired, making...

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Cisco CCNA Security 640-553 IINS Tutorials Part-17

Security zone Consists of a group of interfaces to which a policy can be applied. Grouping interfaces into zones involves two steps. First, a zone must be created so that interfaces may be attached to it. Second, an interface must be configured to be...

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Cisco CCNA Security 640-553 IINS Tutorials Part-18

SNMP trap An unsolicited message sent from the managed device to an SNMP manager. It can be used to notify the SNMP manager about a significant event that occurred on a managed device. Snooping Broadly defines a class of attacks focused on compromising...

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Cisco CCNA Security 640-553 IINS Tutorials Part-20

Transparent firewall A Layer 2 firewall that behaves like a “stealth firewall.” In other words, it is not seen as a router hop to connected devices. In this implementation, the security appliance connects the same network on its inside and outside ports....

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CCNA Security Certification Overview

640-553 IINS IINS - Implementing Cisco IOS Network Security CCNA Security is a new Associate Level certification designed to build upon the CCNA certification and as a prerequisite for the CCSP - Cisco Certified Security Professional certification....

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