CCNA

OSPF use OSPF Packet sto communicate and establish OSPF Operation. There are different Packet types in OSPF and in this article, we will focus on these OSPF Packet Types. We 
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OSPF Adjacency States Routers establish OSPF adjacency to use OSPF. From the beginning of the establishment to the full adjacency, there are some states. These states are mentioned below: OSPF 
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TCP Options   The last part of this article series is related to TCP options. After this there is aleady the data part. In this section there are some options 
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TCP Window Size, Checksum & Urgent Pointer The window, checksum and urgent pointer are another important fields in TCP header. Each of these fields are 2 bytes long. Window Size 
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IPv6 Subnetting We have talk about IPv4 Subnetting in another lessons. In this lesson, we will focus on IPv6 Subnetting and how to use it with IPv6 Addresses. Subnetting is 
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