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How Can Configure Cisco router to PIng all networks.

Posted on 2009-12-29
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Last Modified: 2012-05-08
Hi,
Target:
My target is, want to ping
PC0 to PC1,
PC1 to PC0,
PC0 to PC21,
PC21 to PC0


Information:

In Pic I have two (Locations or Cities, Jeddah and Riyadh).
Blue Color = Jeddah
Red Color = Riyadh

Picture1:
Right Now, In Pic1  there is No PC0. So I can Ping,
PC1 to PC21,
PC21 to PC1,
Note: this is for your information, you can see in Jeddah Router2800 there is IP route 0.0.0.0 0.0.0.0 192.168.1.6 this is because user can use Internet because 192.168.1.6 is our Internet. And other Ip route is for VPN Client which is ip route 100.100.10.0 255.255.255.0 192.168.1.9 which is working fine from Outeside.


Picture2:
Now In Pic2 I have add one router 1800 series + BCM450 for IP telephony + PC0 + small link sys switch.
You can see Router 1800 series IP which is F0/0: 192.168.1.200 and F0/1: 192.168.0.5, and My BCM450 IP is 192.168.0.1
Now I cannot Ping from
PC0 to PC1,
PC1 to PC0,
PC0 to PC21,
PC21 to PC0


Picture3:
Then you can see in in Pic3 What I did In Jeddah Router 2800.
I have delete ip route 0.0.0.0 0.0.0.0 192.168.1.6 and I added Ip route 0.0.0.0 0.0.0.0 192.168.1.200

Then In router 1800 Series,
I have added IP route 0.0.0.0 0.0.0.0 192.168.1.6

Now I can Ping,
PC0 to PC1,
PC1 to PC0,
PC1 to PC21,
PC21 to PC1
But I can not Ping,
PC0 to PC21,
PC21 to PC0


Target:
Now I want  to know what should I do then I can Ping
PC0 to PC21,
PC21, to PC0
and other all should be ping able to each other  (which is already Ping able to each other)

1.jpg
2.jpg
3.jpg
Jeddah-Router2800.txt
Riyadh-Router2800.txt
Cisco1800.txt
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Question by:shariqsaeed
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that1guy15 earned 2000 total points
ID: 26139230
Following your diagram. the 1800 series only know about local routes because it points all traffic to your ISA (192.168.1.6). If the ISA does not have a route to the Riyadh network then it will not know what to do with the traffic.
So if you still want all the traffic to go through the ISA then add a route in the ISA to send traffic for the Riyadh network to the 2800. The 2800 will then pass the traffic over to the Riyadh network.
OR you could just add another static route to the 1800 that points all trffic for Riyadh network to the 2800. But this traffic will not pass through the ISA.
 
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Author Comment

by:shariqsaeed
ID: 26143322
Well, thanks but can you tell me how i can route in 1800 point to all traffic for Riyadh Network to the 2800? without pass through the ISA?
 
 
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LVL 23

Expert Comment

by:that1guy15
ID: 26147156
Ok let me see if i understand how your traffic is flowing.
From your BGP config on the 2800s the 192.168.1.0 network is not being advertised through the Jeddah 2800 also it looks like the two 2800s are not peering with BGP. is this correct? run "show ip bgp summary" to verify
Since your 2800s are not peering Your routes on the Jeddah 2800 point all 192.168.21.0 traffic to the 1800 (because of the default route). The 1800 in turn point all traffic to the ISA (because of the default route). I would then assume the ISA sends all traffic out to the local ISP. Is this correct? Run a trace route from PC1 to PC21 to see the actual path taken.
Is all this correct or am i looking at it wrong?
How do you want the traffic to flow between the two? through the ISA or through the 2800s?
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