HP MSR Series Configuration Manual page 249

Method 1: Specify a higher MED value for the route 1.0.0.0/8 advertised to 192.1.1.2 to make
Router D give priority to the route learned from Router C.
# Define ACL 2000 to permit the route 1.0.0.0/8
[RouterA] acl number 2000
[RouterA-acl-basic-2000] rule permit source 1.0.0.0 0.255.255.255
[RouterA-acl-basic-2000] quit
# Define routing policy apply_med_50 that sets the MED value of route 1.0.0.0/8 to 50, and
routing policy apply_med_100 that sets the MED value of route 1.0.0.0/8 to 100.
[RouterA] route-policy apply_med_50 permit node 10
[RouterA-route-policy] if-match acl 2000
[RouterA-route-policy] apply cost 50
[RouterA-route-policy] quit
[RouterA] route-policy apply_med_100 permit node 10
[RouterA-route-policy] if-match acl 2000
[RouterA-route-policy] apply cost 100
[RouterA-route-policy] quit
# Apply routing policy apply_med_50 to the route advertised to 193.1.1.2 (Router C), and
apply routing policy apply_med_100 to the route advertised to 192.1.1.2 (Router B).
[RouterA] bgp 100
[RouterA-bgp] peer 193.1.1.2 route-policy apply_med_50 export
[RouterA-bgp] peer 192.1.1.2 route-policy apply_med_100 export
[RouterA-bgp] quit
# Display the BGP routing table on Router D.
[RouterD] display bgp routing-table
Total Number of Routes: 2
BGP Local router ID is 194.1.1.1
Status codes: * - valid, ^ - VPNv4 best, > - best, d – damped,
h – history,
Origin : i – IGP, e – EGP, ? – incomplete
Network
*>i 1.0.0.0
* i
The route 1.0.0.0/8 learned from Router C is the optimal.
Method 2: Specify different local preferences for route 1.0.0.0/8 on Router B and C to make
Router D give priority to the route learned from Router C.
# Define ACL 2000 to permit the route 1.0.0.0/8 on Router C.
[RouterC] acl number 2000
[RouterC-acl-basic-2000] rule permit source 1.0.0.0 0.255.255.255
[RouterC-acl-basic-2000] quit
# Define routing policy localpref on Router C to set the local preference of route 1.0.0.0/8 to
200 (the default is 100).
[RouterC] route-policy localpref permit node 10
[RouterC-route-policy] if-match acl 2000
[RouterC-route-policy] apply local-preference 200
i – internal, s – suppressed, S – Stale
NextHop MED
193.1.1.1 50
192.1.1.1 100
237
LocPrf PrefVal Path/Ogn
100 0
100 0
100i
100i