Enterprise Network on GNS3 - Part 5 - Data Center

The article is the fifth of the series of the articles discussing the enterprise network configuration. The article focus on the Data Center (DC) configuration. DC consists of the two devices – Server1 and the switch vIOS-Ser-I. Of course, the DC network with a single switch and the server is far away from any known […]
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VOIP HOME LAB - Part 1.6 Cisco Catalyst 3550 Switch and Belkin N+ Wireless Router Configuration

Cisco Catalyst 3550 plays several important roles in our voice home lab. Firstly, it is responsible for routing between virtual machines connected to Open vSwitch switchports. Secondly, it connects a hardware Cisco IP phone to the network and supplies power to the phone. And finally it connects our voice home network to Belkin N+ Wireless router. […]
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EtherChannel,VRRP, DHCP, OSPF Configuration - Cisco, Vyatta, Microcore

The tutorial shows EtherChanel, VRRP, DHCP and OSPF configuration on Cisco, Vyatta and Microcore Linux.  A campus network (look at figure 1) is created with Access and Distribution layer. Instead of Layer 2 switches in Access layer there is Cisco Router 3725  occupied with NM-16SW module in this layer and Cisco  is emulated by Dynamips. […]
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