Categories Routing

DMVPN dual hub with dual DMVPN network

I have implement a few DMVPN solutions recently and I thought that a post about dual DMVPN hub with dual DMVPN network would be interesting.   I will describe the configuration for a DMVPN solution with  dual hub and dual DMVPN network.   Below you will find the network diagram for this solution.     Here is a […]

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Categories Network Virtualization

VCA6-NV – Virtual switches

In this post, I will try to identify and explain the concept of vSphere Standard and Distributed virtual switches. What’s a virtual switch ? A virtual switch is similar in concept to a physical switch. VMs are connected to the virtual switch using a “virtual wire”. Uplinks are used to connect the virtual switch to […]

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Categories Network Virtualization

VMware NSX – VCA6-NV exam details

You can find the exam details with the blueprint on the following link : https://mylearn.vmware.com/mgrReg/plan.cfm?plan=64577&ui=www_cert   The VCA6-NV exam is about network virtualization using VMware NSX.   The exam itself is not that expensive compare to what I get used with Cisco and it can be done online. Even if this exam is not a pre-requisite […]

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Categories R&S

IPv6 – Advanced EIGRPv6

Back to IPv6, this time for more advanced configuration. In this post I will focus on EIGRPv6.   IPv6 – Advanced EIGRPv6 –Network Diagram:   IPv6 – Advanced EIGRPv6 – configuration:   I have already setup the basic EIGRPv6 configuration, which means that all the routers interfaces are part of EIGRP 100. From SW51, we […]

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Categories R&S

VPN technologies – DMVPN – Phase 2

Following my previous article on DMVPN phase 1. This time I’m going to configure DMVPN phase 2.   In phase 2, we will be able to dynamically build spoke-to-spoke tunnel. VPN technologies – DMVPN – Phase 2 – configuration:   The configuration needs to be changed on the spoke routers. The tunnel mode needs to […]

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Categories R&S

VPN technologies – DMVPN – Phase 1

Starting a new series about DMVPN. In this post, I will configure a basic DMVPN network, with one hub and 2 spoke sites.     Here is the link for the cisco documentation about DMVPN: http://www.cisco.com/c/en/us/td/docs/ios-xml/ios/sec_conn_dmvpn/configuration/15-mt/sec-conn-dmvpn-15-mt-book/sec-conn-dmvpn-dmvpn.html   And the link for everything related with NHRP: http://www.cisco.com/c/en/us/td/docs/ios-xml/ios/ipaddr_nhrp/configuration/15-mt/nhrp-15-mt-book/config-nhrp.html   And one very good article from INE with very […]

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Categories R&S

VPN technologies – MPLS-L3VPN – MP-BGP

In this post, I will focus on configuring MP-BGP which is the protocol used between the PE router.   VPN technologies – MPLS-L3VPN – MP-BGP – Theory :   This is the link to the Cisco documentation for configuring MPLS-VPN. http://www.cisco.com/c/en/us/td/docs/ios-xml/ios/mp_l3_vpns/configuration/15-mt/mp-l3-vpns-15-mt-book.html   MP-BGP should be configured between the PE routers and is used to advertised the […]

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