6-10
The command dampens only EBGP routes rather than IBGP routes.
Related commands:
reset bgp dampening
,
reset bgp flap-info
,
display bgp routing-table
dampened
,
display bgp routing-table dampening parameter
and
display bgp routing-table
flap-info
.
Examples
# In BGP view, configure BGP route dampening.
<Sysname> system-view
[Sysname] bgp 100
[Sysname-bgp] dampening 15 15 1000 2000 10000
# In BGP-VPN instance view, configure BGP route dampening (the VPN has been created).
<Sysname> system-view
[Sysname] bgp 100
[Sysname-bgp] ipv4-family vpn-instance vpn1
[Sysname-bgp-vpn1] dampening 15 15 1000 2000 10000
default ipv4-unicast
Syntax
default ipv4-unicast
undo default ipv4-unicast
View
BGP view
Default Level
2: System level
Parameters
None
Description
Use the
default ipv4-unicast
command to enable the default use of IPv4 unicast address family for
the peers that are established using the
peer as-number
command.
Use the
undo default ipv4-unicast
command to disable the default use of IPv4 unicast address
family for the peers that are established using the
peer as-number
command.
The use of IPv4 unicast address family is enabled by default.
Note that:
z
The
default ipv4-unicast
or
undo default ipv4-unicast
command applies to only BGP peers
that are established after it is executed.
z
The
default ipv4-unicast
or
undo default ipv4-unicast
command applies to only BGP peers
that are established using the
peer as-number
command.
z
After executing the
undo default ipv4-unicast
command, you can use the
peer enable
command to enable the use of IPv4 address family for a peer.
Examples
# Enable the default use of IPv4 unicast address family for the peers that are established using the
peer as-number
command.