
In some cases, such as when the device is acting as an edge device, you can allow the device to use
the default route as a valid next-hop. To do so, enter the following command at the BGP4+ address
family configuration level of the CLI.
Brocade(config-/jointfilesconvert/1441084/bgp-ipv6u)# next-hop-enable-default
Syntax:[no] next-hop-enable-default
Clearing BGP4+ information
This section contains information about clearing the following for BGP4+:
• Route flap dampening.
• Route flap dampening statistics.
• Neighbor information.
• BGP4+ routes in the IPv6 route table.
• Neighbor traffic counters.
NOTE
The clear commands implemented for BGP4+ correspond to the clear commands implemented for
IPv4 BGP. For example, you can specify the clear ipv6 /jointfilesconvert/1441084/bgp flap-statistics command for IPv6 and the
clear ip /jointfilesconvert/1441084/bgp flap-statistics for IPv4.
Removing route flap dampening
You can un-suppress routes by removing route flap dampening from the routes. The device allows you
to un-suppress all routes at once or un-suppress individual routes.
To un-suppress all the suppressed routes, enter the following command at the Privileged EXEC level or
any of the Config levels of the CLI.
device# clear ipv6 /jointfilesconvert/1441084/bgp dampening
Syntax: clear ipv6 /jointfilesconvert/1441084/bgp dampening [ ipv6-prefix/prefix-length ]
You must specify the ipv6-prefix parameter in hexadecimal using 16-bit values between colons as
documented in RFC 2373.
You must specify the prefix-length parameter as a decimal value. A slash mark (/) must follow the ipv6-
prefix parameter and precede the prefix-length parameter.
To un-suppress a specific route, enter a command such as the following:
device# clear ipv6 /jointfilesconvert/1441084/bgp dampening 2001:db8::/32
This command un-suppresses only the routes for network 2001:db8::/32.
Clearing route flap dampening statistics
The device allows you to clear all route flap dampening statistics or statistics for a specified IPv6 prefix
or a regular expression.
Clearing BGP4+ information
FastIron Ethernet Switch Layer 3 Routing Configuration Guide 537
53-1003087-04
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