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Forum Replies

  1. Hi Rene,

    Thanks for your great lesson .I have a question regarding …

    What is the used case of IP NAT OUTSIDE SOURCE Normally We don’t use the command. Need to know production network scenario .Many Thanks

    BR//ZAMAN

  2. Hello Mohammad

    This is an excellent question. Take a look at this post:

    ... Continue reading in our forum

  3. Hi Rene

    For NAT is it reuired for Router to have route for the NAtted IP

    If i doing inside NAT 10.10.10.10 -> 20.20.20.20 on my R1 do my R1 required to have route for 20.20.20.20 ?

    how will it handle the response traffic for 10.10.10.10 -> 20.20.20.2 , will it check rout table first or NAT first ?

  4. Hello Devaprem

    If you have a NAT translation between two addresses configured on a router, you don’t require any of those addresses to have a routing table entry in that specific router. These addresses are considered directly connected because they are associated with specific interfaces. For this reason, you don’t have to explicitly configure them for routing. However, other routers on the outside must have some routing information to be able to reach the 20.20.20.20 IP address but this is independent of NAT.

    In general, when a packet arrives on an interfa

    ... Continue reading in our forum

  5. Thank you Laz , it clearly explains

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