Network Router User Manual

Chapter 13: Routing Policy Configuration Guide
184 SmartSwitch Router User Reference Manual
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.
It is only possible to restrict the importation of OSPF ASE routes when functioning as an
AS border router.
Like the other interior protocols, preference cannot be used to choose between OSPF ASE
routes. That is done by the OSPF costs. Routes that are rejected by policy are stored in the
table with a negative preference.
For all examples in this section, refer to the configuration shown in Figure 19 on page 185.