Cisco Virtual IOS (IOSv) Supported Features

While browsing the internet i found this information from Cisco CML about the Supported Virtual IOS (IOSv) feature. Here is the original Cisco Document. CML Corporate Edition document Based on the feature IOSv supported; We could use this for CCIE training particularly on routing part. Read my previous post for using IOSv Building Virtual Network …

Building a Virtual Network Lab using VMware and Cisco Virtual IOS (IOSv)

From the previous post, We have successfully booted the Cisco Virtual IOS (IOSv) included on the OnePK All-in-One Virtual Machine. Now we will build a Virtual Network for simulation using Cisco Virtual IOS (IOSv) and VMware Workstation. Network Topology Cisco Virtual IOS (IOSv) - VMWare Virtual Machine Configuration R1 R2 R3 R4 Here you will …

Running Cisco Virtual IOS (IOSv) via VMware Workstation

Running Cisco Virtual IOS (IOSv) via VMware Workstation Prerequisites Cisco all-in-one-VM-1.2.1-194.ova VMWare Workstation Terminal Software (Putty) This is a new software which is included on OnePK All-in-one Virtual Machine which we could use to simulate and this is also the IOS software that i expect to be included on CML/VIRL (Cisco Modeling Lab).. For us …

Cisco Etherchannel Mode

Etherchannel is useful in a scenario which you have need to have additional bandwidth particularly between switches hosting servers; On this page i will provide an example on three (3) Cisco Etherchannel modes Note: All interface need to match the following to successfully join the Etherchannel Speed Duplex Medium 3 Cisco Etherchannel Mode Static Cisco …

Controlling ICMP (DDOS) via Cisco Control-Plane

A very simple way of protecting a router from ICMP DDOS attack. ip access-list extended ICMP permit icmp any any ! class-map match-any ICMP match access-group name ICMP ! policy-map ICMP-limit class ICMP police rate 20000 bps conform-action transmit  exceed-action drop  violate-action drop ! control-plane service-policy input ICMP-limit This configuration will limit the icmp traffic …

How to minimize CPU utilization when using Dynamips/GNS3 (idlepc + idlemax)

This is my experiment in minimizing the CPU usage when working on GNS3/Dynamips. On this experiment I have use the Internetwork Expert Topology (INE) Version 5 which has 13 routers and uses 3725 IOS images. If you need the topology just visit INE Website. INE IOS on PC For this experiment I already obtain the …