HP ProCurve Secure Router 7203 dl Advanced Management And Configuration Manual page 732

IP Routing—Configuring RIP, OSPF, BGP, and PBR
Configuring BGP
IGP
Divides local
network
Divides external
networks
To ISP 1,
advertises
lower metric
for first half of
routes
To ISP 2,
advertises
lower metric
for second
half of routes
Sets higher
preference
for first half of
routes
received from
this neighbor
13-118
hostname "RouterA"
!
router ospf
default-information-originate always
network 10.1.1.0 0.0.0.255 area 0
!
ip prefix-list LAN1 seq 10 permit 10.1.0.0/17
ip prefix-list LAN2 seq 10 permit 10.1.128.0/17
ip prefix-list Private seq 10 permit 10.1.112.0/20 ge 20
ip prefix-list External1 seq 10 permit 0.0.0.0/1 le 8
ip prefix-list External2 seq 10 permit 128.0.0.0/1 le 16
!
ip community-list advertise
deny no-export no-advertise local-as
!
ip community-list clear
permit internet no-export no-advertise local-as
!
route-map ISP1Out permit 10
match ip address prefix-list Private
set community no-export
route-map ISP1Out permit 20
match ip address prefix-list LAN1
match community advertise
set metric 100
route-map ISP1Out permit 30
match ip address prefix-list LAN2
match community advertise
set metric 200
route-map ISP2Out permit 10
match ip address prefix-list Private
set community no-export
route-map ISP2Out permit 20
match ip address prefix-list LAN1
match community advertise
set metric 200
route-map ISP2Out permit 30
match ip address prefix-list LAN2
match community advertise
set metric 100
route-map ISP1In permit 10
match ip address prefix-list External1
set local-preference 135
set comm-list clear delete
set community no-export
route-map ISP1In permit 20
match ip address prefix-list External2
set local-preference 125
set comm-list clear delete
i
Figure 13-26.Example 4: Router A Running-Config for Routing Protocols
Requests that
the ISP not
advertise routes
to certain
networks
Prevents the router
from exporting
certain routes