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Mail body when applying to the job via EMAIL

Hello , I am writing in regard to your job opening of <Target Role>. As a candidate with extensive experience in networking, I am highly...

ARP and its Header in detail

ARP (address resolution protocol) is used by IP protocol for resolution of MAC address wrt the IP address. Since we all know IP address...

OSPF Packets: DBD

Let’s open the DBD packet and use what's inside, why DBD is required and how DBD are exchanged DBD: DATABASE Description packet, which has message...

OSPF Packets : LSR

Let’s continue to dive deep in the remaining packets: LSR: LSR i.e. Link state request packet is used to request a specific prefix or route which...

OSPF PACKETS: LSU

Link State Update packet: Link State Update (LSU) packets are OSPF message Type 4 in the OSPF header.The local router advertises LSA within an LSU...

OSPF PACKET: LSACK

Link State Acknowledgment packet: LSACK is message type 5 inside OSPF header.As the name suggests it is an acknowledgement sent in return to all the...

OSPF LSA and Types of LSAs

As we already know OSPFv2 uses LSAs (Link State Advertisements) as a medium for exchanging data between OSPF neighbors. By using LSAs, OSPF synchronize...

Totally NSSA

Last but not the least Totally NSSA, it is exactly same as Totally Stub area, just type 7 LSA is allowed here. Totally NSSA will...

STUB AREA

As we know now, STUB area is required to reduce the number of external LSA's, in turn reduce the routing table within.Stub area...

Totally STUB

Let's continue from where we left off in Stub areas, now we will move ahead with TOTALLY STUB Area, as we know by now...

OSPF Packets: DBD

OSPF Packets : LSR

OSPF PACKETS: LSU

OSPF PACKET: LSACK

OSPF LSA and Types of LSAs

Totally NSSA

STUB AREA

Totally STUB