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juniper [2025/07/15 14:32] – adminentjuniper [2025/07/17 14:52] (current) – adminent
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   * **set cli screen-width 500**   * **set cli screen-width 500**
     * Change 500 to any desired value     * Change 500 to any desired value
 +
 +===Configure IPv4 Static Route Between Two Routers===
 +  * Router 1/2 hostname: r1/r2
 +  * Link between the two routers: 172.16.1.1/24 and 172.16.1.2/24
 +  * Loopback IP on r2: 172.16.40.1/24
 +  * r1:
 +<code>set system host-name r1
 +set interfaces et-0/0/8 unit 0 family inet address 172.16.1.1/24
 +set routing-options static route 172.16.40.0/24 next-hop 172.16.1.2</code>
 +  * r2:
 +<code>set system host-name r2
 +set interfaces et-0/0/8 unit 0 family inet address 172.16.1.2/24
 +set interfaces lo0 unit 0 family inet address 172.16.40.1/24</code>
 +  * Verify routing table on r1:
 +<code>root@r1> show route protocol static 172.16.40.0/24
 +
 +inet.0: 5 destinations, 5 routes (5 active, 0 holddown, 0 hidden)
 ++ = Active Route, - = Last Active, * = Both
 +
 +172.16.40.0/24     *[Static/5] 00:00:49
 +                    >  to 172.16.1.2 via et-0/0/8.0</code>
 +  * Ping from r1 to r2's 172.16.40.1 Loopback 0 interface
 +<code>root@r1> ping 172.16.40.1 rapid
 +PING 172.16.40.1 (172.16.40.1) 56(84) bytes of data.
 +!!!!!
 +--- 172.16.40.1 ping statistics ---
 +5 packets transmitted, 5 received, 0% packet loss, time 43ms
 +rtt min/avg/max/mdev = 8.486/9.865/14.538/2.346 ms, ipg/ewma 10.684/12.108 ms</code>
 +
 +===Configure IPv6 Static Route Between Two Routers===
 +  * Router 1/2 hostname: r1/r2
 +  * Link between the two routers: 2001:db8::1/64 and 2001:db8::2/64
 +  * Loopback IP on r2: 2001:db8:0:40::1/64
 +  * r1:
 +<code>set system host-name r1
 +set interfaces et-0/0/8 unit 0 family inet6 address 2001:db8::1/64
 +set routing-options rib inet6.0 static route 2001:db8:0:40::/64 next-hop 2001:db8::2</code>
 +  * r2:
 +<code>set system host-name r2
 +set interfaces et-0/0/8 unit 0 family inet6 address 2001:db8::2/64
 +set interfaces lo0 unit 0 family inet6 address 2001:db8:0:40::1/64</code>
 +  * Verify routing table on r1:
 +<code>root@r1> show route protocol static 2001:db8:0:40::/64
 +
 +inet6.0: 14 destinations, 14 routes (14 active, 0 holddown, 0 hidden)
 ++ = Active Route, - = Last Active, * = Both
 +
 +2001:db8:0:40::/64 *[Static/5] 00:04:55
 +                    >  to 2001:db8::2 via et-0/0/8.0</code>
 +  * Ping from r1 to r2's 2001:db8:0:40::1 Loopback 0 interface
 +<code>root@r1> ping 2001:db8:0:40::1 rapid
 +PING 2001:db8:0:40::1(2001:db8:0:40::1) 56 data bytes
 +!!!!!
 +--- 2001:db8:0:40::1 ping statistics ---
 +5 packets transmitted, 5 received, 0% packet loss, time 57ms
 +rtt min/avg/max/mdev = 8.696/12.961/26.946/7.035 ms, ipg/ewma 14.234/19.682 ms</code>
 +
 +===OSPFv2 Notes===
 +  * Route preference = 10
 +  * Default OSPF Hello messages
 +    * Destination multicast 224.0.0.5
 +    * Area 0.0.0.0
 +    * Hello interval = 10 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===
 +  - The Customer has already enabled OSPF on r2.
 +  - Configure interface link to r2.
 +
 +==Task 1==
 +  * Delete LAN static routes on r1 for both IPv4 and IPv6.
 +  - ++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> ++
 +
 +==Task 2==
 +  * Create and OSPF neighbor connection to r2.
 +  - ++Answer|<code>set protocols ospf area 0 interface et-0/0/8.0</code> ++
 +  * Verify neighborship.
 +  - ++Answer|<code>show ospf neighbor</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.1752589964.txt.gz · Last modified: by adminent

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