How Routers Choose the Best Path | Longest Prefix vs AD vs Metric | CCNA 200-301
Nalanda Networks
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How Routers Choose the Best Path | Longest Prefix vs AD vs Metric | CCNA 200-301
157 просмотров · 2 недели назад
Nalanda Networks
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157 просмотров · 2 недели назад
Two routes to 10.1.1.0/24 — which one does the router install in thebrouting table? In this video I break down the exact order of operations a router follows when more than one path is available.
We cover:
Longest Prefix Match — why /24 beats /16 no matter the protocol
Administrative Distance — the tie-breaker between different protocols
Metric / Cost — the tie-breaker inside the same protocol
Equal-cost load balancing — what happens when nothing breaks the tie
Using a simple 4-router OSPF topology (R1–R2–R4 and R1–R3–R4), I walk through each step and show which path actually wins.
Useful for CCNA, network engineers, and anyone troubleshooting "why is traffic taking that path?"
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#Routing #CCNA #Networking #OSPF #RoutingTable #LongestPrefixMatch
#AdministrativeDistance #RoutingMetric #BestPathSelection #IPRouting
#NetworkEngineer #CiscoRouting #RoutingProtocols #LoadBalancing #ECMP
#NetworkFundamentals #CCNP #SubnetMask #RouterConfiguration #networkingbasics