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Nexus Switching 2nd Edition

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Example 3-55. Verification of OSPF Authentication<br />

Click here to view code image<br />

Congo# show ip <strong>os</strong>pf int vlan 10<br />

Vlan10 is up, line protocol is up<br />

IP address 10.10.10.2/24, Process ID DataCenter1 VRF<br />

default, area 0.0.0.0<br />

Enabled by interface configuration<br />

State BDR, Network type BROADCAST, c<strong>os</strong>t 40<br />

Index 1, Transmit delay 1 sec, Router Priority 1<br />

Designated Router ID: 192.168.1.2, address: 10.10.10.3<br />

Backup Designated Router ID: 192.168.1.1, address:<br />

10.10.10.2<br />

1 Neighbors, flooding to 1, adjacent with 1<br />

Timer intervals: Hello 10, Dead 40, Wait 40,<br />

Retransmit 5<br />

Hello timer due in 00:00:01<br />

Message-digest authentication, using keychain <strong>nexus</strong><br />

(ready)<br />

Number of opaque link LSAs: 0, checksum sum 0<br />

OSPF Redistribution<br />

It is a common requirement to redistribute routes learned from other routing protocols or for<br />

directly connected interfaces into OSPF. With the exception of the default route, this is<br />

accomplished in a similar manner to traditional IOS redistribution with a few minor<br />

differences that are highlighted in the sample configurations.<br />

Starting with the default route, the methodology to redistribute it into the routing table is<br />

similar to IOS in that the default-information originate comm<strong>and</strong> is used.<br />

The process begins by defining a prefix list, as demonstrated in Example 3-56, which is then<br />

used by a route map referenced by the default-information originate comm<strong>and</strong>. Figure 3-9<br />

illustrates the topology used for Examples 3-54 through 3-66.

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