Command Line Reference Guide

300 | Border Gateway Protocol IPv4(BGPv4)
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Command
History
neighbor maximum-prefix
c e s
Control the number of network prefixes received.
Syntax
neighbor {ip-address | peer-group-name} maximum-prefix maximum [threshold]
[warning-only]
To return to the default values, use the no neighbor {ip-address | peer-group-name}
maximum-prefix maximum command.
Parameters
Defaults
threshold = 75
Command Modes
ROUTER BGP
Usage
Information
If the neighbor maximum-prefix is configured and the neighbor receives more prefixes than allowed by
the neighbor maximum-prefix command configuration, the neighbor goes down and the show ip bgp
summary command displays (prfxd) in the State/PfxRcd column for that neighbor. The neighbor
remains down until you enter the clear ip bgp command for the neighbor or the peer group to which the
neighbor belongs or you enter neighbor shutdown and neighbor no shutdown commands.
Related
Commands
Command
History
Version 8.3.5.0 Introduced on the S55.
Version 7.8.1.0 Introduced support on S-Series
Version 7.7.1.0 Introduced command
Introduced support on C-Series
ip-address
Enter the IP address of the neighbor in dotted decimal format.
peer-group-name
Enter the name of the peer group.
maximum
Enter a number as the maximum number of prefixes allowed for this BGP router.
Range: 1 to 4294967295.
threshold (OPTIONAL) Enter a number to be used as a percentage of the maximum value.
When the number of prefixes reaches this percentage of the
maximum value, the
E-Series software sends a message.
Range: 1 to 100 percent.
Default: 75
warning-only (OPTIONAL) Enter the keyword warning-only to set the router to send a log
message when the maximum value is reached. If this parameter is not set, the
router stops peering when the maximum number of prefixes is reached.
show ip bgp summary Displays the current BGP configuration.
Version 8.3.5.0 Introduced on the S55.
Version 7.8.1.0 Introduced support on S-Series
Version 7.7.1.0 Introduced support on C-Series