[zebra 22980] Re: Configuring RIP

If I am reading this right you have two machines in 2 seperate subnets.
Even if you share RIP routes they will not be able to communicate
because they don't have  a router to move packets from the two seperate
subnets.  ie. if you are trying to move packets from an interface in one
subnet to a completely seperate subnet on another machine you will 1)
have to use a router to move the packets between the seperate subnets or
2) both interfaces will have to be in the same subnet.  If both devices
are in the same Layer 2 network then it is expected that they will
either have a common subnet and simply arp for each other.  Otherwise if
they are in two seperate subnets then it is expected that there will
have to be a router somewhere (even in the same L2 network) to get the
packets moving.  This is because the way IP works if you are not in the
same subnet then you will pass packets for any "remote" network to a IP
routing device.
 
If you are trying to practive routing what you need to do is add another
NIC to each of the machines.  Then recreate your scenario by connecting
an interface on each box into the same Layer 2 network and put then in
the same subnet.  Then run RIP on that interface and test ping the
subnets on the other interfaces. 
 
eg.
 
192.168.0.0/24  <----------> Machine1 <----------> 10.1.1.1/30
===RIP=== 10.1.1.2/30 <----------> Machine2 <----------> 172.16.0.0/16
 
Because there are no other routers involved the machines have to share a
common Layer 3 interface to route packets between your netowrks
 
Hope this helps.
 
 
 
---
Richard JB Campbell
Securiant, Inc.
Tel: 770-874-4212
Email: [email protected]
 
 

	-----Original Message-----
	From: [email protected]
[mailto:[email protected]] On Behalf Of MD Badiuzzaman Laskar
	Sent: Friday, December 15, 2006 6:01 AM
	To: [email protected]
	Subject: [zebra 22979] Configuring RIP
	
	
	Hi All,
	
	      I am new to zebra and also new to routers.
	      So , I am just experimenting with zebra.
	
	      What I have done is connected two  desktop machines with
Fedora Core 6
	      as the OS and connected both the machines to the  same
switch.
	
	      The machine description are as follows.
	
	      Machine 1
	
	      1. ip     : 192.168.0.254
	      2. mask   : 255.255.255.0
	      3. Gateway: 192.168.0.254
	  
	      Machine 2
	 
	      1. ip    :172.16.16.1
	      2. mask  :255.255.0.0
	      3. Gateway : 172.16.16.1
	
	      Now using zebra,I configured the interface on machine 1 as
the same information as   
	      provided below. I did the same with machine 2 with ip
shown above
	      
	      After I configured RIP on Machine 1 , and tried the
following commands.
	              1. router rip
	              2. network 192.168.0.0/32
	              3. network eth0
	              4. redistribute connected
	              5. redistribute kernel
	              6. write memory
	
	     On Machine 2, I tried the same commands and advertised the
network 172.16.0.0/16 
	
	
	     But the problem is that after distributing the routes from
both the machine, I am still 
	     not able to ping each other .
	     If I do ,
	              show ip route on machine 2 , it is as follows
	           
	     Network                   Next Hop         Metric   From
Time
	     C(i) 172.16.0.0/16        0.0.0.0             1     self
	       
	      It is not showing any RIP routes.
	 
	      Please help me in configuring rip correctly.   
	
	
	
	
	    
	              
	
	
	  
	        
	
	   
	  
	                  
	

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