7.8.1.0 - Force10 Networks

Change LOCAL_PREFERENCE attribute
In FTOS, you can change the value of the LOCAL_PREFERENCE attribute.
Use the following command in the CONFIGURATION ROUTER BGP mode to change the default values
of this attribute for all routes received by the router.
Command Syntax Command Mode Purpose
bgp default local-preference
value
Use the show config command in CONFIGURATION ROUTER BGP mode or the show
running-config bgp command in EXEC Privilege mode to view BGP configuration.
A more flexible method for manipulating the LOCAL_PREF attribute value is to use a route map.
Use these commands in the following sequence, starting CONFIGURATION mode to change the default
value of the LOCAL_PREF attribute for specific routes.
To view the BGP configuration, use the show config command in the CONFIGURATION ROUTER
BGP mode. To view a route map configuration, use the show route-map command in EXEC Privilege
mode.
Change NEXT_HOP attribute
CONFIG-ROUTER-
BGP
You can change how the NEXT_HOP attribute is used.
Change the LOCAL_PREF value.
• value range: 0 to 4294967295
• Default is 100.
Step Command Syntax Command Mode Purpose
1 route-map map-name [permit
| deny] [sequence-number]
2
3
4
5
CONFIGURATION Enter the ROUTE-MAP mode and
assign a name to a route map.
set local-preference value CONFIG-ROUTE-MAP Change LOCAL_PREF value for routes
meeting the criteria of this route map.
exit CONFIG-ROUTE-MAP Return to the CONFIGURATION mode.
router bgp as-number CONFIGURATION Enter the ROUTER BGP mode.
neighbor {ip-address |
peer-group-name} route-map
map-name {in | out}
CONFIG-ROUTER-BGP Apply the route map to the neighbor or
peer group’s incoming or outgoing
routes.
240 Border Gateway Protocol