Reference Guide
IPv6 Border Gateway Protocol (IPv6 BGP) | 831
Command
History
neighbor maximum-prefix
c e 
Control the number of network prefixes received. 
Syntax
neighbor {ipv6-address | peer-group-name} maximum-prefix maximum [threshold] 
[
warning-only]
To return to the default values, use the 
no neighbor {ipv6-address | peer-group-name} 
maximum-prefix maximum [threshold] [warning-only] command.
Parameters
Defaults
threshold 
= 75
Command Modes
ROUTER BGPV6-ADDRESS FAMILY
Command
History
Version 8.3.19.0 Introduced on S4820T
Version 8.4.2.1 Introduced on C-Series and S4810
Version 8.2.1.0 Introduced on E-Series ExaScale
Version 7.4.1.0 Introduced on E-Series TeraScale
ipv6-address
Enter the IPv6 address in the x:x:x:x::x format.
The 
:: notation specifies successive hexadecimal fields of zeros.
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.
Version 8.3.19.0 Introduced on S4820T
Version 8.4.2.1 Introduced on C-Series and S4810
Version 8.2.1.0 Introduced on E-Series ExaScale
Version 7.4.1.0 Introduced on E-Series TeraScale










