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SmartSwitch Router User Reference Manual 129
Chapter 7: Routing Policy Configuration Guide
1. Add the peer 140.1.1.41 to the list of trusted and source gateways.
2. Create a RIP import source with the gateway as 140.1.1.4 since we would like to
import all routes except the 10.51.0.0/16 route from this gateway.
3. Create the Import-Policy, importing all routes except the 10.51.0.0/16 route from
gateway 140.1.1.4
Importing a Selected Subset of Routes from All RIP Peers Accessible Over a Certain
Interface
Router R1 has several RIP peers. Router R41 has an interface on the network 10.51.0.0. By
default, router R41 advertises network 10.51.0.0/16 in its RIP updates. Router R1 would
like to import all routes except the 10.51.0.0/16 route from all its peer which are accessible
over interface 140.1.1.1.
1. Create a RIP import source with the interface as 140.1.1.1, since we would like to
import all routes except the 10.51.0.0/16 route from this interface.
2. Create the Import-Policy importing all routes except the 10.51.0.0/16 route from
interface 140.1.1.1
Example 2: Importing from OSPF
Due to the nature of OSPF, only the importation of ASE routes may be controlled. OSPF
intra-and inter-area routes are always imported into the SSR routing table with a
preference of 10. If a tag is specified, the import clause will only apply to routes with the
specified tag.
rip add source-gateways 140.1.1.41
rip add trusted-gateways 140.1.1.41
ip-router policy create rip-import-source ripImpSrc144 gateway
140.1.1.4
ip-router policy import source ripImpSrc144 network all
ip-router policy import source ripImpSrc144 network 10.51.0.0/16
restrict
ip-router policy create rip-import-source ripImpSrc140 interface
140.1.1.1
ip-router policy import source ripImpSrc140 network all
ip-router policy import source ripImpSrc140 network 10.51.0.0/16
restrict