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Which statement is true about load balancing of equal c…

Which statement is true about load balancing of equal cost paths?

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A load-balancing policy must be configured under the policy-options hierarchy.

The route preference parameter must be manually set to the same value.

The maximum-paths parameter must be configured under the routing-options hierarchy.

Traffic is balanced across equal cost paths by default.

10 Comments on “Which statement is true about load balancing of equal c…

    1. test says:

      You are right but I think is answer B. Check Question 16 for conf example.

      When you do not set a preferred route, the Junos OS chooses in a random fashion one of the next-hop addresses to install into the forwarding table. If you want to configure two possible next-hop addresses for a particular route and have them treated differently, you can define one as a qualified next hop. The qualified next-hop preference and metric override the route preference and metric for that specific qualified next hop only, similar to how the route preference overrides the default preference and metric (for that specific route).


  1. Deb says:

    Right option is A.
    To configure ECMP flow-based forwarding on Juniper Networks security devices, first define a load-balancing routing policy by including one or more policy-statement configuration statements at the [edit policy-options] hierarchy level, with the action load-balance per-packet. Then apply the routing policy to routes exported from the routing table to the forwarding table. To do this, include the forwarding-table and export configuration statements at the [edit routing-options] hierarchy level.


  2. Sam says:

    Packet is forwarded in a round-robin fashion in junos devices, regardless of which type of load balance whether per-packet or per-flow the defaults of juniper routers is to select one next hope to manipulate that a policy is require

    Answer is A Junos intermediate routing load balance section


    1. Nacho says:

      I think we over thinking this question, by default the router will load balance without any policy. You can alter the default load-balancing behavior using routing policy.

      A state that you must have a load balancing policy which is not true as stated the default behavior is to load balance.

      So I believe the correct answer is D


  3. Ashish says:

    When multiple, equal-cost paths exist in the routing table, the junos OS selects one of the next hops from the available next-hop set and install that next-hop into the forwarding table.

    The junos gives policy control to alter these default load-balancing behavior.

    A Correct



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