D-Link xstack DGS-3620 series Reference Manual page 227

xStack® DGS-3620 Series Layer 3 Managed Stackable Gigabit Switch CLI Reference Guide
DGS-3620-28PC:admin#
Command: config bgp fast_external_fallover disable
Success.
DGS-3620-28PC:admin#
12-56 config bgp neighbor maximum_prefix
Description
This command is used to configure the BGP neighbor maximum prefix.
Format
config bgp neighbor maximum_prefix [<ipaddr> | <ipv6addr> | peer_group
<peer_group_name 16>] [<value 1-12000> {<value 1-100>} {warning_only} | ipv4 unicast
<value 1-12000> {<value 1-100>} {warning_only} | ipv6 unicast <value 1-6000> {<value 1-
100>} {warning_only}]
Parameters
<ipaddr> - Specifies the IPv4 address of the neighbor to be configured.
<ipv6addr> - Specifies the IPv6 address of the neighbor to be configured.
peer_group - Specifies the peer group to be configured.
<peer_group_name 16> - Enter the peer group name here. This name can be up to 16
characters long.
<value 1-12000> - Maximum number of prefixes allowed from the specified neighbor. The default
is 12000.
<value 1-100> - (Optional) Integer specifying at what percentage the maximum prefix limit that
the router starts to generate a warning message. The range is from 1 to 100; the default is 75.
warning_only - (Optional) Allows the router to generate a log message when the maximum
prefix limit is exceeded, instead of terminating the peering session.
ipv4 unicast - Specifies to configure the IPv4 unicast address family.
ipv6 unicast - Specifies to configure the IPv6 unicast address family.
Restrictions
Only Administrators, Operators and Power-Users can issue this command. (EI Mode Only
Command)
Example
This example sets the maximum number of prefixes that will be accepted from the neighbor
192.168.1.1 to 5000, when 50 percent of the maximum prefix limit has been reached. This will
display a warning message:
DGS-3620-28PC:admin#
Command: config bgp neighbor maximum_prefix 192.168.1.1 5000 50
Success.
DGS-3620-28PC:admin#
config bgp fast_external_fallover disable
config bgp neighbor maximum_prefix 192.168.1.1 5000 50
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