Types of Address resolution Protocol(ARP)

Topology Address resolution Protocol is used to find the Layer 2( mac address) information when the layer 3(IP) Information is already given. Total 9 filed in Header. The typical Address resolution protocol Header format is shown as below Fig1 ARP_Header Hardware Type: Hardware Type field in the Address Resolution Protocol (ARP) Message specifies the type…

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Different Static Route Options

  The IP assignment on interface is shown as above. We will demonstrate the following case study. Case Study 1: Static routes using exit interface Case Study 2:Static routes using IP as next hop Case Study 3:Static routes using exit interface and IP add as next hop Let’s understand how the communication takes place in Ethernet…

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OSI MODEL

OSI Stands for open system interconnection model.  This is reference or virtual model, you cannot see it , touch it ,but its exists conceptually just like electron, protons etc. OSI model is invented by ISO(International standard organization). ISO is non profit organization that defines several  standards. It is just like other standard e.g ISI mark,…

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Site to Site IPsec VPN

Topology Summary: To implement Flex VPN or IPSEC VPN the topology shown above. The motive is to make the reachability between LAN to LAN network i.e from 20.20.20.0 to 30.30.30.0 & vice versa. Currently we have configure simple connectivity in which R1 and R2 is reachable to each other via internet cloud. The basic requirement…

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