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nx.os.and.cisco.nexus.switching.2nd.edition.1587143046

Nexus Switching 2nd Edition

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Number of LSAs: 6, checksum sum 0x33cd3<br />

Area (0.0.0.51) (Inactive)<br />

Area has existed for 00:03:13<br />

Interfaces in this area: 1 Active interfaces: 1<br />

Passive interfaces: 1 Loopback interfaces: 0<br />

This area is a STUB area<br />

Generates stub default route with c<strong>os</strong>t 1<br />

No authentication available<br />

SPF calculation has run 5 times<br />

Last SPF ran for 0.000076s<br />

Area ranges are<br />

192.168.128.0/20 Passive (Num nets: 0) Advertise<br />

Number of LSAs: 7, checksum sum 0x446f2<br />

Example 3-49 demonstrates the syntax for configuring a totally stubby area.<br />

Example 3-49. Configuration of a Totally Stub by Area Using a Numeric Process ID<br />

Click here to view code image<br />

Congo# config t<br />

Enter configuration comm<strong>and</strong>s, one per line. End with<br />

CNTL/Z.<br />

Congo(config)# router <strong>os</strong>pf 100<br />

Congo(config-router)# area 51 stub no-summary<br />

Example 3-50 demonstrates configuring a totally stubby area using an alphanumeric tag for<br />

the routing process ID.<br />

Example 3-50. Configuration of a Totally Stub Area Using an Alphanumeric Process ID<br />

Click here to view code image<br />

Congo# config t<br />

Enter configuration comm<strong>and</strong>s, one per line. End with<br />

CNTL/Z.<br />

Congo(config)# router <strong>os</strong>pf DataCenter1<br />

Congo(config-router)# area 51 stub no-summary<br />

You can identify the stub status of a neighbor from the show ip <strong>os</strong>pf detail comm<strong>and</strong> output,<br />

as demonstrated in Example 3-51. You can notice an additional line that indicates<br />

Summarization is disabled to reflect the totally stub by area status.<br />

Example 3-51. Verification of Totally Stub by Status on a Neighbor

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