Last Updated on July 31, 2021 by Admin 1
You instructed your assistant to configure load balancing on a router. The router currently has two routes to network A. One route has a cost of 15, and the other has a cost of 30.
What command should the assistant execute to instruct the router to treat the two routes as equal without including any other routes in the load balancing?
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routerA(config)# variance 2
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routerA(config-router)# variance 2 -
routerA(config)# variance 3
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routerA(config-router)# variance 3
Explanation:
The correct command to instruct the router to treat the two routes as equal is variance 2. It must be entered in EIGRP configuration mode, as evidenced by the routerA(config-router)# prompt. The number that comes after the command is called the multiplier. A multiplier of two tells the router that any route that is within twice the metric of the best route will be considered equal to the best route.The default setting for variance is one, which indicates that the routes must be equal to be considered for load balancing. An additional requirement of load balancing is that the alternate route’s feasible distance must not be higher than the advertised distance of the route, which could indicate a routing loop.The assistant should not execute the variance 2 command at the routerA(config)# prompt, which is global configuration mode. The variance command must be entered in EIGRP configuration mode at the routerA(config-router)# prompt.The assistant should not use the variance 3 command in either mode because that would direct the router that any route within three times the cost of the best route (in this scenario, a cost of 45) would be considered equal to the cost of the best route. The scenario requires that two routes be load balanced. Because one route has a cost of 15 and the other has a cost of twice 15 (30), the variance multiplier must be two.
The correct command to instruct the router to treat the two routes as equal is variance 2. It must be entered in EIGRP configuration mode, as evidenced by the routerA(config-router)# prompt. The number that comes after the command is called the multiplier. A multiplier of two tells the router that any route that is within twice the metric of the best route will be considered equal to the best route.The default setting for variance is one, which indicates that the routes must be equal to be considered for load balancing. An additional requirement of load balancing is that the alternate route’s feasible distance must not be higher than the advertised distance of the route, which could indicate a routing loop.The assistant should not execute the variance 2 command at the routerA(config)# prompt, which is global configuration mode. The variance command must be entered in EIGRP configuration mode at the routerA(config-router)# prompt.The assistant should not use the variance 3 command in either mode because that would direct the router that any route within three times the cost of the best route (in this scenario, a cost of 45) would be considered equal to the cost of the best route. The scenario requires that two routes be load balanced. Because one route has a cost of 15 and the other has a cost of twice 15 (30), the variance multiplier must be two.
Objective:
Layer 3 Technologies
Sub-Objective:
Configure and verify EIGRP load balancing
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