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Cisco® BGP-4 Command and Configuration Handbook (CCIE Professional Development) by William R. Parkhurst Ph.D.

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8-16. neighbor {ip-address | peer-group-name} maximum-prefix prefix-limit threshold-value warning-only

Syntax Description:

  • ip-address— Neighbor's IP address.

  • peer-group-name— Name of the peer group. See section 8-19.

  • prefix-limit— 1 to 4294967295.

  • threshold-value— 1 to 100 percent. If this isn't explicitly set, the default value is 75 percent.

Purpose: To limit the number of prefixes learned from a specific neighbor. The threshold-value determines the value that causes the router to generate a warning. For example, if the prefix-limit is set to 1000 and the threshold-value is set to 75 percent, the router generates a warning when 751 prefixes are received from the neighbor. When the number of prefixes received from the neighbor exceeds the prefix-limit, ...

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