[afnog] Routing Issue - Please Help [resolved]

[Dewole Ajao]

Hi Raymond,
It was actually Austin's question and he's figured it out now. He was
indeed able to trace back to the machine. He had a misplaced NAT rule
which he has removed and is now okay.

Thanks!

Dewole.

> Hi Dewole,just a follow on question, when you say  "the IP subnet is
> reachable from the internet", please clarify, for example does it mean you
> are able to trace an IP in that subnet from the internet back to your
> router
> (for example from www.traceroute.org)?
> Raymond Macharia
>
>
> On Thu, Jul 29, 2010 at 10:15 PM, Scott Weeks
> <surfer at mauigateway.com>wrote:
>
>>
>>
>> --- auwudia at swifttalk.net wrote:
>> From: "Austin Uwudia" <auwudia at swifttalk.net>
>>
>> We recent advertise a /23 subnet of our block with our provider through
>> BGP. The process of BGP has been concluded and the IP subnet is
>> reachable
>> from the internet. However, I just realized that the IP address is
>> working
>> because of the existing NAT rule on the Mikrotik router.
>>
>> I have as follows:
>>
>> WANT interface = 82.128.x.x
>> LAN interface = 204.16.x.x/26 (existing NATed subnet)
>> LAN interface = 41.76.x.x/23 (the newly advertised subnet)
>>
>> I have 41.76.x.x on my laptop and I can reach internet and be reached
>> from
>> internet. However, when I check www.whatismyip.com, it shows my IP as
>> the
>> WAN interface IP of the router i.e. 82.128.x.x.
>>
>> Can anyone kindly help me out on how to make this subnet fully routed? I
>> am
>> really in a dire strait.
>> -------------------------------------------------------
>>
>>
>> I'm not sure I follow completely, so please excuse me if I accidentally
>> make a silly comment...  :-)
>>
>> Is the WAN interface a /30?
>>
>> What does whatismyip.com show when you have a 204.16.x.x address on your
>> laptop?
>>
>> I am not sure what you mean by "make this subnet fully routed".  It
>> sounds
>> like it is fully routed ("the IP subnet is reachable from the internet")
>> and
>> is using the WAN IP as the NAT address.  Do you mean to make the /23 a
>> non-NAT'd address?
>>
>> scott