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juniper [2025/07/17 04:15] adminentjuniper [2025/07/17 14:52] (current) adminent
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     * 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.   * 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===
-  - Configure interface link to R2.+  - 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.
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   * Verify OSPF route table   * Verify OSPF route table
   - ++Answer|<code>show route protocol ospf table inet.0</code> ++   - ++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.1752725710.txt.gz · Last modified: by adminent