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Riverstone Networks RS Switch Router User Guide Release 8.0 18-23
Routing Policy Configuration Configuring Advanced Routing Policies
•
Determine its OSPF configuration
Importing a Selected Subset of OSPF-ASE Routes
1.
Create a OSPF import source so that only routes that have a tag of 100 are considered for
importation.
2.
Create the Import-Policy importing all OSPF ASE routes with a tag of 100 except the default ASE
route.
!++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
! Create the various IP interfaces.
!++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
interface create ip to-r2 address-netmask 120.190.1.1/16 port et.1.2
interface create ip to-r3 address-netmask 130.1.1.1/16 port et.1.3
interface create ip to-r41 address-netmask 140.1.1.1/24 port et.1.4
interface create ip to-r42 address-netmask 140.1.2.1/24 port et.1.5
interface create ip to-r6 address-netmask 140.1.3.1/24 port et.1.6
!+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
! Configure default routes to the other subnets reachable through R2.
!+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
ip add route 202.1.0.0/16 gateway 120.1.1.2
ip add route 160.1.5.0/24 gateway 120.1.1.2
!++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
! OSPF Box Level Configuration
!++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
ospf start
ospf create area 140.1.0.0
ospf create area backbone
ospf set ase-defaults cost 4
!++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
! OSPF Interface Configuration
!++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
ospf add interface 140.1.1.1 to-area 140.1.0.0
ospf add interface 140.1.2.1 to-area 140.1.0.0
ospf add interface 140.1.3.1 to-area 140.1.0.0
ospf add interface 130.1.1.1 to-area backbone
ip-router policy create ospf-import-source ospfImpSrct100 tag 100
ip-router policy import source ospfImpSrct100 network all
ip-router policy import source ospfImpSrct100 network default
restrict