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ip default-network command
SB-K
Member Posts: 13 ■□□□□□□□□□
in CCNA & CCENT
Good day,
I understand that with the ip default-network command the default route is injected through the routing protocol and therefore does not need to be redistributed as in the case of the static default route.
When i create a default route however using the ip default-network command i am only seeing it on the router that i created it on with s and not s*. Even though rip or eigrp is turned on, the default route does not appear in the other routers routing table. Am i leaving out something?
Thank you
I understand that with the ip default-network command the default route is injected through the routing protocol and therefore does not need to be redistributed as in the case of the static default route.
When i create a default route however using the ip default-network command i am only seeing it on the router that i created it on with s and not s*. Even though rip or eigrp is turned on, the default route does not appear in the other routers routing table. Am i leaving out something?
Thank you
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billscott92787
Member Posts: 933
Check the routing tables of the other router. You should see a default route that is created in their routing table. Whenever I checked this yesterday on another post, my routing table showed * 0.0.0.0 etc.... giving a default route via the particular interface that was connected to the router on which I configured the ip default-network command.
Here is a sample where I configured RIPv2.
R1#show ip route
Gateway of last resort is 192.168.1.1 to network 0.0.0.0
C 192.168.1.0/24 is directly connected, Serial0/0
R* 0.0.0.0/0 [120/1] via 192.168.1.1, 00:00:16, Serial0/0
*NOTE: As you can see the default route is saying for any network not found in the routing table, please forward via 192.168.1.1 (Serial0/0 exit interface).
On GWR (My main gateway router), I configured the command ip default-network 64.5.2.0, which would be a remote network on a different location. As you can see it passed the information via RIPv2. Here is my routing table for GWR:
C 64.0.0.0/8 is directly connected, Serial0/0
C 192.168.1.0/24 is directly connected, Serial0/1
As you can see the 64.0.0.0 network is connected via Serial 0/0 to the GWR router. But, I did not implement this specific network when configuring RIPv2. I just configured it using the ip default-network command.
I hope that helps you understand it a little better.