Brocade Network OS NETCONF Operations Guide v4.1.1 Manual de usuario Pagina 559

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Network OS NETCONF Operations Guide 527
53-1003231-02
Performing basic OSPF configuration
34
Assigning a Not-So-Stubby Area
The OSPF Not-So-Stubby-Area (NSSA) feature enables you to configure OSPF areas that provide the
benefits of stub areas, but that also are capable of importing external route information. OSPF
does not flood external routes from other areas into an NSSA, but does translate and flood route
information from the NSSA into other areas such as the backbone. Refer to the Network OS
Administrator’s Guide for details.
The following example RPC configures OSPF area 1.1.1.1 as an NSSA. The <nssa> node designates
a not-so-stubby area. The <nssa-value> element determines the cost of entering or leaving the
area.
<rpc message-id="2606" xmlns="urn:ietf:params:xml:ns:netconf:base:1.0">
<edit-config>
<target>
<running/>
</target>
<config>
<rbridge-id xmlns="urn:brocade.com:mgmt:brocade-rbridge">
<rbridge-id>101</rbridge-id>
<router>
<ospf xmlns="urn:brocade.com:mgmt:brocade-ospf>
<area>
<area-id>1.1.1.1</area-id>
<nssa>
<metric>
<nssa-value>1</nssa-value>
</metric>
</nssa>
</area>
</ospf>
</router>
</rbridge-id>
</config>
</edit-config>
</rpc>
<rpc-reply message-id="2606" xmlns="urn:ietf:params:xml:ns:netconf:base:1.0">
<ok/>
</rpc-reply>
Configuring a summary-address for the NSSA
If you want the ABR that connects the NSSA to other areas to summarize the routes in the NSSA
before translating them into Type-5 LSAs and flooding them into the other areas, configure a
summary-address. The ABR creates an aggregate value based on the summary-address. The
aggregate value becomes the address that the ABR advertises instead of advertising the individual
addresses represented by the aggregate. You can configure up to 32 ranges in an OSPF area.
To configure a summary-address in NSSA 1.1.1.1, issue the following RPC. (This example assumes
that you have already configured NSSA 1.1.1.1.)
<rpc message-id="2607" xmlns="urn:ietf:params:xml:ns:netconf:base:1.0">
<edit-config>
<target>
<running/>
</target>
<config>
<rbridge-id xmlns="urn:brocade.com:mgmt:brocade-rbridge">
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