This video show how to download and configure GNS3 VM for running Cisco IOU images. This also includes downloading and installing GN3 appliances form GNS3 marketplace to run Cisco IOS Over Unix.

The very basic thing that an organization expects while designing its network is maximum uptime, and this maximum uptime can only be achieved when there is redundancy in the network. So in this article, we'll design a network for a company hosted in a datacenter with redundant devices and links. NOTE: The configuration of devices in this article does not include configuration for securing the control-plane of core or aggregation routers. Full Network topology:

Order of preference of attributes in BGP The order of preference varies based on whether the attributes are applied for inbound updates or outbound updates. For inbound updates the order of preference is:     route-map     filter-list     prefix-list, distribute-list For outbound updates the order of preference is:     prefix-list, distribute-list     filter-list     route-map NOTE: The attributes prefix-list and distribute-list are mutually exclusive, and only one command (neighbor distribute-list or neighbor prefix-list) can be applied to each inbound or outbound direction for a particular neighbor. Scenario: We own the AS500 and advertising a network block of 192.0.2.0/24 and 180.179.179.0/16 to two different ISPs.