BGP Configuration
To enable the BGP process and begin exchanging information, you must assign an AS number and use
commands in the ROUTER BGP mode to configure a BGP neighbor.
Defaults
By default, BGP is disabled.
By default, FTOS compares the MED attribute on different paths from within the same AS (the
always-compare-med
Note: In FTOS, all newly configured neighbors and peer groups are disabled. You must enter the
neighbor {
ip-address
group.
Table 10-3
displays the default values for BGP on FTOS.
Table 10-3. FTOS BGP Defaults
Item
BGP Neighbor Adjacency changes
Fast External Fallover feature
graceful restart feature
Local preference
MED
Route Flap Damping Parameters
Distance
Timers
Configuration Task List for BGP
The following list includes the configuration tasks for BGP:
•
Enable BGP
•
Configure AS4 Number Representations
•
Configure Peer Groups
•
BGP fast fall-over
command is not enabled).
|
} no shutdown command to enable a neighbor or peer
peer-group-name
Default
All BGP neighbor changes are logged.
Enabled
Disabled
100
0
half-life = 15 minutes
reuse = 750
suppress = 2000
max-suppress-time = 60 minutes
external distance = 20
internal distance = 200
local distance = 200
keepalive = 60 seconds
holdtime = 180 seconds
Border Gateway Protocol IPv4 (BGPv4) | 225
bgp