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How to define the ip address and traffic go through router in F5 environment ?

Posted on 2013-11-15
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Last Modified: 2013-12-19
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Can you give me a suggestion about the below question? thank you.
The topology is below. The traffic is going to go through the router. Its ip address is 202.168.1.254. The router has two ports, one is inside, another is outside. My question is how to define the ip address and how to define traffic to route through the router ? It looks like it needs bridge group, but i am not sure about it.

 aa
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Question by:EESky
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12 Comments
 
LVL 28

Expert Comment

by:asavener
ID: 39653304
Is the 202.168.1.0/24 subnet provided to you by your ISP?  Did they give you a default gateway?
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Author Comment

by:EESky
ID: 39713299
Hi Sorry for the delay due to another urgent project.
Actually, the topology is from a paper. I could not understand it completely. That is why I posted it here. So, I do not have ISP info. Thank you
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LVL 28

Expert Comment

by:asavener
ID: 39713909
OK.  The router should not need a bridge group (that defeats the purpose of having a router there).  The router should have another, internet-facing interface.
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Author Comment

by:EESky
ID: 39714854
Thank you for your reply. If we assume that 202.168.1.254 is the outside port ip address of the router, how do we set the inside port ip address of the router, and how to configure it in order to let outside users to reach the inside server ? Thank you
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LVL 28

Expert Comment

by:asavener
ID: 39714997
When you say "the router" are you referring to the F5 device?
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Author Comment

by:EESky
ID: 39715061
No, it is the device connecting F5 and internet, Please see that picture.
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LVL 28

Expert Comment

by:asavener
ID: 39716612
OK.  They haven't given you enough information for that.  202.168.1.254 is the inside interface of the router, and they haven't given you an outside interface IP.
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Author Comment

by:EESky
ID: 39716880
You are right. If we assume 202.168.1.254 is the inside ip address and 200.0.0.1 is the outside ip address. how do we set the inside port ip address of the router, and how to configure it in order to let outside users to reach the inside server ? Thank you
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LVL 28

Assisted Solution

by:asavener
asavener earned 2000 total points
ID: 39716980
Well, a router is not a firewall.  All you have to do is add a default route on the router.

Assuming the next-hop address provided by the ISP is 200.0.0.254, and that the device is a Cisco router, you would add the command:

ip route 0.0.0.0 0.0.0.0 200.0.0.254
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Author Comment

by:EESky
ID: 39729520
Sorry for the delay. Setting the default route can make the router reach outside internet, but how about the inside F5 and its users if they want to reach internet or outside servers? Thank you.
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LVL 28

Accepted Solution

by:
asavener earned 2000 total points
ID: 39729603
F5 default gateway should be 202.168.1.254.

Server gateway should be 192.168.1.254.
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Author Closing Comment

by:EESky
ID: 39729635
Thank you !
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