Nmap features

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Nmap is an opensource software that apparently scans IPs and TCP/UDP ports. But it can do more! In association with scripts, it can able to analyze targets at layer 7. In fact Nmap is loaded with a scripting engine aka NSE (Nmap Scripting Engine) that transform this tool in a vulnerability scanner. For a complete list of scripts look here! …

OSPF silent-interface

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When you want to interconnect 2 OSPF processes in static mode for design requirements or just temporary in a migration scenario you have to instruct routers to not receive routing update information and to not advertize networks to another router. By default when you start an OSPF process all interfaces of the router send Hello packets to discovery neighborships. To …

Arista – Trunk Native Vlan

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In Arista switch, on trunk port, if you need to change native vlan and you have deployed all using a trunk group option and not a classical trunk mode you have to put inside a trunk group also the new native vlan : Now your hybrid port is ready to deploy!