Concept Guide

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.
• Sets weight for the route.
CONFIG-ROUTE-MAP mode
set weight weight
weight: the range is from 0 to 65535.
NOTE: The weight assigned using the set weight command under route map conguration override the weight assigned
using the neighbor weight command.
Example conguration for changing the WEIGHT attribute
DellEMC# configure terminal
DellEMC(conf)# router bgp 400
DellEMC(conf-router_bgp)# neighbor 10.10.10.1 remote-as 500
DellEMC(conf-router_bgp)# neighbor 10.10.10.1 weight 150
DellEMC(conf-router_bgp)# exit
In the above conguration example, the weight attribute for routes received from the neighbor 10.10.10.1 is set to 150.
To view BGP conguration, use the show config command in CONFIGURATION ROUTER BGP mode or the show running-
config bgp command in EXEC Privilege mode.
Enabling Multipath
By default, the software allows one path to a destination. You can enable multipath to allow up to 64 parallel paths to a destination.
You can congure the maximum number of parallel routes (multipath support) to a destination in BGP.
NOTE
: Dell EMC Networking recommends not using multipath and add path simultaneously in a route reector.
To allow more than one path, use the following command.
• Enable multiple parallel paths.
CONFIG-ROUTER-BGP mode
maximum-paths {ebgp | ibgp} number
Congure the following parameters:
– ebgp: Enable multipath support for external BGP routes.
– ibgp: Enable multipath support for internal BGP routes.
– number: Maximum number of parallel paths. The range is from 2 to 64.
Example conguration for enabling multipath
DellEMC# configure terminal
DellEMC(conf)# router bgp 400
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BGP IP version 4 (BGPv4) Overview