Setup Guide
router bgp as-number
5 Apply the route-map to the neighbor or peer group’s incoming or outgoing routes.
CONFIG-ROUTER-BGP mode
neighbor {ip-address | ipv6-address | peer-group-name} route-map map-name {in | out}
Example conguration for manipulating the LOCAL_PREFERENCE attribute
DellEMC# configure terminal
DellEMC(conf)# route-map route1 permit 10
DellEMC(conf-route-map)# set local-preference 140
DellEMC(conf-route-map)# exit
DellEMC(conf)# router bgp 400
DellEMC(conf-router_bgp)# neighbor 10.10.10.2 route-map route1 in
In the above example conguration, a route-map named route1 is created with a clause to set the specied local preference value, which
is 140.
To view the BGP conguration, use the show config command in CONFIGURATION ROUTER BGP mode. To view a route-map
conguration, use the show route-map command in EXEC Privilege mode.
Conguring the local System or a Dierent System to be the Next Hop for
BGP-Learned Routes
You can congure the local router or a dierent router as the next hop for BGP-learned routes.
To change how the NEXT_HOP attribute is used, enter the rst command. To view the BGP conguration, use the show config
command in CONFIGURATION ROUTER BGP mode or the show running-config bgp command in EXEC Privilege mode.
You can also use route maps to change this and other BGP attributes. For example, you can include the second command in a route map to
specify the next hop address.
• Disable next hop processing and congure the router (route reector) as the next hop for a BGP neighbor.
CONFIG-ROUTER-BGP mode
neighbor {ip-address | ipv6-address | peer-group-name} next-hop-self [all]
If you do not use the all keyword, the next hop of only eBGP-learned routes is updated by the route reector. If you use the all
keyword, the next hop of both eBGP- and iBGP-learned routes are updated by the route reector.
• Sets the next hop address.
CONFIG-ROUTE-MAP mode
set next-hop ip-address
If the set next-hop command is applied on the out-bound interface using a route map, it takes precedence over the neighbor
next-hop-self
command.
Changing the WEIGHT Attribute
To change how the WEIGHT attribute is used, enter the rst command. You can also use route maps to change this and other BGP
attributes. For example, you can include the second command in a route map to specify the next hop address.
• Assign a weight to the neighbor connection.
CONFIG-ROUTER-BGP mode
neighbor {ip-address | ipv6-address | peer-group-name} weight weight
weight: the range is from 0 to 65535. The default is 0.
Border Gateway Protocol (BGP)
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