Bgp Load Balancing Configuration Example - HP 5500 EI series Configuration Manual

192.168.99.0/24
BGP Routing table Status : <Inactive>
Summary Count : 0
The output shows that Router D has learned routes to 192.168.64.0/24, 192.168.74.0/24, and
192.168.99.0/24 through BGP.
After the above configurations, ping the hosts on networks 192.168.64.0/24,
192.168.74.0/24, and 192.168.99.0/24 from Router D. The ping operations succeed.
5. Configure route summarization on Router C to summarize 192.168.64.0/24,
192.168.74.0/24, and 192.168.99.0/24 into a single route 192.168.64.0/18 and disable
advertisement of the more specific routes.
[RouterC-bgp-ipv4] aggregate 192.168.64.0 18 detail-suppressed
[RouterC-bgp-ipv4] quit
[RouterC-bgp] quit
Verifying the configuration
# Display IP routing table information on Router C.
[RouterC] display ip routing-table | include 192.168
192.168.64.0/18
192.168.64.0/24
192.168.74.0/24
192.168.99.0/24
The output shows that Router C has a summary route 192.168.64.0/18 with the output interface Null0.
# Display the IP routing table information on Router D.
[RouterD] display ip routing-table protocol bgp
Summary Count : 1
BGP Routing table Status : <Active>
Summary Count : 1
Destination/Mask
192.168.64.0/18
BGP Routing table Status : <Inactive>
Summary Count : 0
The output shows that Router D has only one route 192.168.64.0/18 to AS 65106.
After the above configurations, ping the hosts on subnets 192.168.64.0/24, 192.168.74.0/24 and
192.168.99.0/24 from Router D. The ping operations succeed.

BGP load balancing configuration example

Network requirements
As shown in
Run IBGP between Router B and Router C. Configure load balancing over the two EBGP links on Router
A.
BGP
BGP 130
OSPF 150
OSPF 150
OSPF 150
Proto Pre
BGP 255
Figure 65, run EBGP between Router A and Router B and between Router A and Router C.
255 1 10.220.2.16
0 127.0.0.1
1 172.17.100.1
1 172.17.100.1
1 172.17.100.1
Cost NextHop
0 10.220.2.16
258
Eth1/1
NULL0
Eth1/1
Eth1/1
Eth1/1
Interface
Eth1/1