RipV2 cant ping another pc a different network

[IamDanielJ]

Hello, I am stuck and don't know how to solve this issue when I try to ping my other PC on the other network I get the following message Destination host unreachable.

 Router 1

interface GigabitEthernet0/0

ip address 192.168.72.49 255.255.255.248

duplex auto

speed auto

ipv6 address 2001:DB8:ACAD:1::1/64

!

interface GigabitEthernet0/1

no ip address

duplex auto

speed auto

shutdown

!

interface Serial0/0/0

ip address 192.168.72.66 255.255.255.252

!

interface Serial0/0/1

ip address 192.168.72.62 255.255.255.252

!

interface Vlan1

no ip address

shutdown

!

router rip

version 2

network 192.168.72.0

Router 2 

interface GigabitEthernet0/0

ip address 192.168.72.33 255.255.255.240

duplex auto

speed auto

ipv6 address 2001:DB8:ACAD:2::1/64

!

interface GigabitEthernet0/1

no ip address

duplex auto

speed auto

shutdown

!

interface Serial0/0/0

ip address 192.168.72.65 255.255.255.252

ipv6 address 2001:DB8:ACAD:CE::2/64

clock rate 2000000

!

interface Serial0/0/1

ip address 192.168.72.58 255.255.255.252

ipv6 address 2001:DB8:ACAD:CF::2/64

!

interface Vlan1

no ip address

shutdown

!

router rip

version 2

network 192.168.72.0

[balaji.bandi]

change the below configuration test and let us know.

R3

Seriail configurration

interface serial 0/0/1 -----> going to R1 Serial 0/0/0
no ip address 192.168.72.61 255.255.255.252
ip address 192.168.72.65 255.255.255.252

interface serial 0/0/0 -----> going to R2 Serial 0/0/0
ip address 192.168.72.57 255.255.255.252

R2

Seriail configurration

interface serial 0/0/1 ----> going to R1 Serial 0/0/1
ip address 192.168.72.61 255.255.255.252

interface serial 0/0/0 ----> going to R3 Serial 0/0/0
ip address 192.168.72.58 255.255.255.252

[IamDanielJ]

now i am not able ping any serial ports at all and i could ping from pc1 to pc2.

[balaji.bandi]

I may have made some configuration wrong here..since your R3 does not show which interface going where..

can you post same screen shots again, along with  below output

show cdp neighbor

show ip route

[IamDanielJ]

changed everything back to what it was.

[balaji.bandi]

here is the another confution of your setup.

please change the hostname like below

R1

config t

hostname R1

!

end

R2

config t

hostname R2

!

end

R3

config t

hostname R3

!

end

Save and send the same screen shot again, so i can provide full configuration to work.

another thing i noticed in your diagram 192.168.72.48/24 ? 

[IamDanielJ]

we have been told to use 3 different addresses for each network its something in our assignment.   

[Richard Burts]

I do not know what kind of assignment you have. But saying that there need to be 3 addresses in each network does not make sense when you are talking about a point to point serial interface connecting 2 routers. 

Rather than giving you a series of step by step changes to make I am going to try to explain what is going on and what needs to be done in a way that I hope will enable you to understand what is involved and to create your own config changes. Starting with a basic principle of networking that when two devices are connected by a network segment that both devices should have IP addresses in the same subnet. Being locally connected will allow them to communicate directly and easily. I hope that you understand that communicating to a resource that is local is much more simple that communicating with something that is remote.

Your network has 3 point to point serial links. So the first step is that you should choose 3 IP subnets to use on these serial links. Since a point to point serial can have only 2 connected devices you only need 2 usable IP addresses in each subnet and so a /30 subnet is appropriate. The subnets that you previously used might be appropriate choices or you might choose other subnets if you want a fresh start. Once you have chosen 3 subnets I suggest that on your diagram that you label each point to point serial with its subnet.

Once you have assigned subnets to each link the next step is to assign IP addresses to interfaces. Each of your subnets has 2 usable addresses. Assign 1 address to the interface of one router and assign the other address to the interface of the other router. I suggest that on your diagram that you label each of the router serial interfaces with its address.

Once you have figured out which address to assign to each interface then you are ready to make configuration changes to each of your routers to implement what you have labeled in your diagram. This should result in each router being able to ping each of its neighbors. If that is not the case then please post your updated diagram and the current configs of the router interfaces. If there is any part of this which is not clear then please ask questions.

HTH

Rick 

[balaji.bandi · Accepted solution]

I agreed with Richard, you need to understand what you doing, and provide more information
so we understand your goal and assignment for the labs

Summerise as per your setup
============================

R1 Serial 0/0/0 connected to R3 Serial 0/0/1
R1 Serial 0/0/1 connected to R2 Serial 0/0/0
R2 Serial 0/0/1 connected to R3 Serial 0/0/0

you point to point configuration should be as below :

R1

interface serial 0/0/0
ip address 192.168.72.62 255.255.255.252
!
interface serial 0/0/1
ip address 192.168.72.66 255.255.255.252

R2

Serial configuration

interface serial 0/0/0
ip address 192.168.72.65 255.255.255.252
!
interface serial 0/0/1
ip address 192.168.72.58 255.255.255.252

R3

Serial configuration

interface serial 0/0/0
ip address 192.168.72.57 255.255.255.252
!
interface serial 0/0/1
ip address 192.168.72.61 255.255.255.252

ping from R1 192.168.72.65 and 192.168.72.61
ping from R2 192.168.72.57 and 192.168.72.66
ping from R3 192.168.72.58 and 192.168.72.52

If all pinging then your point to point links are working, then check the RIP configuration and check the routing table you able get routes

[IamDanielJ]

thanks for the help this seems to have solved my problem and thanks for helping me out Richard.

[Richard Burts]

You are quite welcome. I am glad that our responses have helped you understand the problem and led you to a solution. These communities are excellent places to ask questions and to learn about networking. And one advantage is frequently to have more than one person making suggestions about your issue. I hope to see you continue to be active in the community.

HTH

Rick