HPE Network Switching Professional (HPE7-A08)

By HP · Question Mode

QuestionQ22

Manage, maintain, optimize, and monitor the wired network solution

Two companies have merged, and BGP is being used for routing. The customer states that its routing table currently contains about 3,800 routes and wants to keep the overall route count below 5,000.

An example BGP routing table from the company being merged is shown below:

Question Image

Based on this example BGP routing table from the merging company, what should the customer consider to meet the routing-table-size requirement?

Explanation

Route aggregation enforced through routing policy can summarize multiple more-specific prefixes into a smaller number of BGP advertisements. This reduces the number of route entries received and stored by the other network while preserving reachability for the summarized address ranges. Juniper documents that aggregation consolidates selected multiple routes into one route advertisement and minimizes routing entries.

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