maximum-prefix (bgp-neighbor-config)

Configures the maximum number of prefixes that can be received from a BGP neighbor. This option is disabled by default.

Supported in the following platforms:

Syntax

maximum-prefix <1-4294967295> {(<1-100>|restart <1-65535>|warning-only)}

Parameters

maximum-prefix <1-4294967295> {(<1-100>|restart <1-65535>|warning-only)}
maximum-prefix <1-4294967295> Configures the maximum number of prefixes that can be received from a BGP neighbor
  • <1-4294967295> – Specify a value for 1 - 4294967295.
    • <1-100> – Optional. Sets the threshold limit for generating a log message. This value represents a percentage of the maximum-prefix configured in the preceding step. When this value is reached, a log entry is generated. For example if the maximum-prefix is set to 100 and threshold limit is set to 65, then after receiving 65 prefixes, a log entry is generated. This option is disabled by default.
    • restart <1-65535> – Optional. Restarts BGP peer connection once the maximum-prefix limit specified is exceeded. For example, If the value specified is 10, then after receiving 10 prefixes from the neighbor, the system restarts the connection with that neighbor. Specify a value from 1 - 65535. This option is disabled by default.
    • warning-only – Configure to enable. When the maximum-prefix limit is exceeded, the connection is restarted. However, when this option is enabled, the connection is not restarted and an event is generated instead. This option is disabled by default.

Examples

nx9500-6C8809(config-profile testNX9000-router-bgp-neighbor-192.168.13.99)#maximum-prefix 400 50 warning-only
nx9500-6C8809(config-profile testNX9000-router-bgp-neighbor-192.168.13.99)#show con
  bgp neighbor 192.168.13.99
   advertisement-interval 100
   allowas-in 10
   attribute-unchanged as-path
   capability orf prefix-list both
   default-originate
   description neighbor "This neighbor is an external AS neighbor"
   disable-connected-check
   dont-capability-negotiate
   ebgp-multihop 20
   enforce-multihop
   local-as 20 no-prepend
   maximum-prefix 400 50 warning-only
nx9500-6C8809(config-profile testNX9000-router-bgp-neighbor-192.168.13.99)#

Related Commands

no (bgp-neighbor-config) Removes the maximum prefix settings configured for this neighbor
9036316-02 REV AB