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Why do static routes take precedence over dynamic routes?


Asked by Mauricio Wolf on Dec 11, 2021 FAQ



Administrative distance: Static routes typically take precedence over routes configured with a dynamic routing protocol. This means that static routes may prevent routing protocols from working as intended. A solution is to manually modify the administrative distance.
Subsequently,
Static routing. In many cases, static routes are manually configured by a network administrator by adding in entries into a routing table, though this may not always be the case. Unlike dynamic routing, static routes are fixed and do not change if the network is changed or reconfigured. Static routing and dynamic routing are not mutually exclusive.
Indeed, However, the administrative distance (AD) of a static route is 1. Therefore, a static route will take precedence over all dynamically learned routes. Static routing has three primary uses: Providing ease of routing table maintenance in smaller networks that are not expected to grow significantly.
Consequently,
Connected routes always take precedence over static or dynamically discovered routes because they have the administrative distance value of 0 (the lowest possible value). In our case, this means that R1 will send out packets destined for 192.168.0.0/24 according to the specified connected route.
Just so,
There are disadvantages to dynamic routing. Dynamic routing requires knowledge of additional commands. It is also less secure than static routing because the interfaces identified by the routing protocol send routing updates out. Routes taken may differ between packets.