How switches learn MAC addresses
Jun 20,95As you probably already know, each network card has a unique identifier called Media Access Control (MAC) address. MAC addresses …
Read MoreLayer 2 switching
Jun 19,95Layer 2 switching (also known as the Data Link layer switching) is the process of using devices’ MAC addresses to …
Read MoreOSPF route summarization
Jun 18,95Unlike EIGRP, OSPF doesn’t support automatic summarization. Also, unlike EIGRP, where you can summarize routes on every router in an …
Read MoreOSPF MD5 authentication
Jun 15,95The OSPF MD5 authentication is more secure than the plain text authentication. This method uses the MD5 algorithm to compute …
Read MoreOSPF clear text authentication
Jun 14,95OSPF can authenticate all messages exchanged between neighbors. Messages are authenticated to prevent a rogue router from injecting false routing …
Read MoreDesignated router and backup designated router
Jun 13,95Based on the network type, OSPF router can elect one router to be a designated router (DR) and one router …
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