From: Gary Duncanson (gary.duncanson@googlemail.com)
Date: Tue Feb 12 2008 - 10:19:51 ARST
Makes sense Peter,
Walter,
This link seems to cover some of the sorts of things Peter is suggesting
involving NAT. It may help with your scenario. While it primarily looks at
load balancing it covers object tracking a component of Optimized Edge
Routing (OER) which may help you with the resilence you seem to need.
IOS NAT Load-balancing for Two ISP Connections.
http://www.cisco.com/en/US/tech/tk648/tk361/technologies_configuration_example09186a00808d2b72.shtml
Regards
Gary
----- Original Message -----
From: "Peter Kingston" <kingstonp.ccie@gmail.com>
To: "Matemane, Walter" <walter.matemane@liberty.co.za>
Cc: <ccielab@groupstudy.com>
Sent: Tuesday, February 12, 2008 10:34 AM
Subject: Re: NAT Overload Q
>I am sure you would be able to use 2 nat statements if you used route-maps.
>
> The routing would have to be dynamic, whether using floating statics, PBR
> with tracking or a routing protocol to get it working correctly.
>
>
> --
> Regards,
>
> Peter Kingston
> Studying my CCIE
>
>
> On Feb 12, 2008 4:26 PM, Matemane, Walter <walter.matemane@liberty.co.za>
> wrote:
>
>> Hi group,
>>
>>
>>
>> I have a router with serial and dsl lines. I am using "overload" to NAT
>> my LAN to the serial interface IP.
>>
>>
>>
>> My dilemma comes when the primary goes down, where I have to manually
>> change my "ip nat" statement to overload on dsl interface IP as you
>> cannot have two
>>
>> "ip nat inside source list xx interface dialer1 overload" statements on
>> a router.
>>
>>
>>
>> i.e
>>
>> !
>>
>> ip nat inside source list 100 interface serial0/0/0 overload
>>
>> ip nat inside source list 100 interface dialer1 overload
>>
>> !
>>
>>
>>
>> I will appreciate any suggestion or workaround for this.
>>
>>
>>
>> Ta
>>
>> Tlatlaru Matemane
>>
>>
>>
>>
>>
>>
>>
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