using IP default route to ping between multiple routers

using IP default route to ping between multiple routers

R
I have the topology above

I can ping from all routers to router RITE interfaces. However I cannot ping from router Client to router Internet or IDS , nor from IDS to Client and Internet, nor from Internet to Client or IDS.

for now I am interested to ping from Client to Internet. I have configured default route on Client router , but there is no luck.

Internet#sh ip interface brief | inc up
Ethernet0/0                192.168.14.2    YES NVRAM  up                    up      


RITE#sh ip interface brief | inc up
Ethernet0/0                192.168.14.1    YES NVRAM  up                    up      
Ethernet0/1                192.168.13.1    YES NVRAM  up                    up      
Ethernet1/0                192.168.12.1    YES NVRAM  up                    up      
RITE#


Client#show ip interface brief | inc up
Ethernet0/0                192.168.12.2    YES NVRAM  up                    up      
Client#


Client(config)#ip route 0.0.0.0 0.0.0.0 192.168.12.1


Client#ping 192.168.14.1
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 192.168.14.1, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 1/1/1 ms
Client#ping 192.168.14.2
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 192.168.14.2, timeout is 2 seconds:
.....
Success rate is 0 percent (0/5)
Client#

we can see above Client router can ping the interface 192.168.14.2 (interface connecting RITE router to IINTERNET router), but cannot ping INTERNET router interface 192.168.14.2

any help ?

Thank you
jskfanAsked:
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JustInCaseCommented:
You need ip route to source of ping on internet router (internet router does not know where to send return traffic - does not have route to 192.168.12.0/x). Default route on INTERNET router should be good enough
ip route 0.0.0.0 0.0.0.0 192.168.14.1
but you could configure more specific route if you want
ip route 192.168.12.0 255.255.255.0 192.168.14.1
Router must have matching route to be able to forward traffic, otherwise packets will be dropped.
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nociSoftware EngineerCommented:
To get it all working:

in Internet router:
# route 12, 13
ip route 192.168.12.0 255.255.254.0  192.168.14.1

On client:
ip route 0.0.0.0 0.0.0.0 192.168.12.1

On IDS:
ip route 0.0.0.0 0.0.0.0 192.168.13.1

should make all traffic work (unless ACL's have been set).
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jskfanAuthor Commented:
It worked.. Thank you Guys !
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