Avaya Configuring IP Exterior Gateway Protocols (BGP and EGP) Manuel d'utilisateur Page 156

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Configuring IP Exterior Gateway Protocols (BGP and EGP)
9-4
308628-14.00 Rev 00
Figure 9-3 shows the six traffic-balancing BGP ECMP entries to the routing table
on router 4.
Destination/Mask Proto Age Cost Next Hop AS
..................................................................
destination_1 BGP-4 577438 126992 F-1 764
destination_1 BGP-4 577438 126992 F-4 764
destination_2 BGP-4 577438 126992 F-1 764
destination_2 BGP-4 577438 126992 F-4 764
destination_3 BGP-4 577438 126992 F-1 764
destination_3 BGP-4 577438 126992 F-4 764
Figure 9-3. IBGP ECMP Traffic-Load Balancing
You can use the BCC or Site Manager to configure IBGP for ECMP route
balancing and traffic-load balancing.
Using the BCC
Navigate to the BGP global prompt and enter:
i/jointfilesconvert/106988/bgp-ecmp-method
<method>
method
is one of the values described in Table 9-1.
For example, the following command configures BGP for IBGP ECMP
traffic-load balancing:
/jointfilesconvert/106988/bgp# i/jointfilesconvert/106988/bgp-ecmp-method traffic-balance
/jointfilesconvert/106988/bgp#
Table 9-1. IBGP ECMP Methods
Method Meaning
route-balance BGP submits one BGP route to the IP routing table for each BGP
destination, using in turn (round-robin) the available IGP ECMP
routes to the next hop.
traffic-balance BGP submits multiple routes to IP, using all known IGP ECMP IP
next hops.
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