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juniper [2025/07/17 03:52] adminentjuniper [2025/07/17 14:52] (current) adminent
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     * Hello interval = 10 seconds     * Hello interval = 10 seconds
     * Dead interval = 40 seconds     * Dead interval = 40 seconds
 +  * Passive interfaces advertise the prefix in OSPF, but do not send HELLO messages out of the interface.
 +
 +===OSPFv2 Verification Commands===
 +  * **show ospf neighbor**
 +  * **show route protocol ospf**
 +  * **show route protocol ospf table inet.0**
 +
 +===OSPFv2 View Configuration===
 +  * **show configuration protocols ospf**
  
 ===Configure OSPFv2=== ===Configure OSPFv2===
-++Answer|<code></code> +++  - The Customer has already enabled OSPF on r2. 
 +  - Configure interface link to r2. 
 ==Task 1== ==Task 1==
   * Delete LAN static routes on r1 for both IPv4 and IPv6.   * Delete LAN static routes on r1 for both IPv4 and IPv6.
-++Answer|<code>delete routing-options static route 172.16.40.0/24+  - ++Answer|<code>delete routing-options static route 172.16.40.0/24
 delete routing-options rib inet6.0 static route 2001:db8:0:40::/64</code> ++ delete routing-options rib inet6.0 static route 2001:db8:0:40::/64</code> ++
  
 ==Task 2== ==Task 2==
   * Create and OSPF neighbor connection to r2.   * Create and OSPF neighbor connection to r2.
-++Answer|<code>set protocols ospf area 0 interface et-0/0/8.0</code> +++  - ++Answer|<code>set protocols ospf area 0 interface et-0/0/8.0</code> ++
   * Verify neighborship.   * Verify neighborship.
-++Answer|<code>show ospf neighbor</code> ++ +  - ++Answer|<code>show ospf neighbor</code> ++ 
-++Answer|<code>show route protocol ospf</code> +++  ++Answer|<code>show route protocol ospf</code> ++ 
 + 
 +==Task 3== 
 +  * Advertise the three LAN prefixes to r2 
 +  - ++Answer|Make the three interfaces passive. ++ 
 +  * Configuration 
 +  - ++Answer|<code>set protocols ospf area 0 interface et-0/0/8.0 passive 
 +set protocols ospf area 0 interface et-0/0/9.0 passive 
 +set protocols ospf area 0 interface et-0/0/10.0 passive</code> ++ 
 +  * Verify OSPF route table 
 +  - ++Answer|<code>show route protocol ospf table inet.0</code> ++ 
 + 
 +==Task 3== 
 +  * Advertise a default route to r2. 
 +    * Configure a routing policy to advertise between routing protocols. 
 +  - ++Answer|Under Construction ++ 
 + 
 + 
 +===OSPFv2 vs. OSPFv3=== 
 +^  OSPFv2  ^  OSPFv3 
 +|Advertises only IPv4|Can only advertise IPv4 or IPv4 and IPv6| 
 +|Configured and verified using **ospf**|Configured and verified using **ospf3**| 
 +^  Both have  ^^ 
 +|Link-state databases|| 
 +|Generate LSAs|| 
 +|Use metric|| 
 + 
 +===OSPFv3 Notes=== 
 +  * HELLO messages are sent to ff02::5/128 
 + 
 +===Configuration for OSPFv3: IPv6=== 
 +  * **set protocols ospf area 0 interface et-0/0/0.0** 
 +  * **set protocols ospf area 0 interface et-0/0/8.0 passive** 
 +  * **set protocols ospf area 0 interface et-0/0/9.0 passive** 
 +  * **set protocols ospf area 0 interface et-0/0/10.0 passive** 
 + 
 +===OSPFv3 View Configuration=== 
 +  * **show configuration protocols ospf3** 
 + 
 +===OSPFv3 Verification Commands=== 
 +  * **show ospf3 neighbors** 
 +  * **show route protocol ospf3** 
  
 ===JNCIA-104=== ===JNCIA-104===
  
 [[https://TopgradeApp.com/playQuiz/juniper-jncia-jn0-104|JNCIA-104 Practice Quiz]]\\ [[https://TopgradeApp.com/playQuiz/juniper-jncia-jn0-104|JNCIA-104 Practice Quiz]]\\
juniper.1752724348.txt.gz · Last modified: by adminent