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David Richard
Worked at CCNA
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David Richard

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Cisco Datacentre: vPC Part 1
vPC is a virtualization technology that presents paired or two Nexus
devices as a unique Layer 2 logical node to the access layer devices or
endpoints. vPC belongs to Multichassis EtherChannel [ MCEC ] family of technology. A virtual port channel (vPC) allo...
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OSPF : "34 Things to remember"
Open Shortest Path First (OSPF) is a routing protocol for Internet Protocol (IP) networks. It uses a link state routing algorithm and falls into the group of interior routing protocols, operating within a single autonomous system (AS). It is defined as OSPF...
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MPLS Command: no mpls ip propagate-ttl Command
When you put together MPLS, a label is obligatory by the label switch router (LSR) once associate information science packet is forwarded into the MPLS domain. This label should have a worth within the TTL field. By default, LSR reads the TTL field within t...
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TACACAS+ and RADIUS
Terminal Access Controller Access-Control System (TACACS, sometimes pronounced like tack-axe) refers to a family of connected protocols handling remote authentication and connected services for networked access management through a centralized server. the i...
Terminal Access Controller Access-Control System (TACACS, sometimes pronounced like tack-axe) refers to a family of connected protocols handling remote authentication and connected services for networked access management thr...
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BPDU Filter and Guard
BPDU Filtering, BPDU Guard, and Root Guard square measure s.t.p. security mechanisms. during this post i will be able to solely describe BPDU Filtering and BPDU Guard. These a pair of options give protection against spanning-tree loops being created on port...
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BGP: 51 Points to Remember for BGP
A path vector protocol could be a network routing protocol that maintains the trail data that gets updated dynamically. Updates that have coiled through the network and came to a similar node square measure simply detected and discarded. This algorithmic pr...
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FCOE Design Considerations
Fibre Channel over local area network (FCoE) could be a network technology that encapsulates Fibre Channel frames over local area network networks. this enables Fibre Channel to use ten Gigabit local area network networks (or higher speeds) whereas protecti...
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OSI Model
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