From: Larry Roberts (groupstudy@american-hero.com)
Date: Thu Dec 02 2004 - 17:49:51 GMT-3
Yep.
I don't know if an error message is generated or not.
I guess the best way would be to make a pool of 1 address, and try to
have 2 different devices use it. See if anything gets written to the log
I'm in the midst of a practice lab, or I would do it myself.
Lee Gillespie wrote:
> When the 29th user complains....
>
>
> --- ccie2be <ccie2be@nyc.rr.com> wrote:
>
>
>>Thanks again,
>>
>>but I forgot to ask:
>>
>>What happens when it fails? Will NAT siliently
>>discard the packet, will a
>>console message appear, or something else
>>altogether?
>>
>>In other words, how would I know when or if this
>>situation occurred?
>>
>>Thanks, Tim
>>----- Original Message -----
>>From: "Larry Roberts" <groupstudy@american-hero.com>
>>To: "Phil" <theccie@gmail.com>
>>Cc: "ccie2be" <ccie2be@nyc.rr.com>; "Group Study"
>><ccielab@groupstudy.com>
>>Sent: Thursday, December 02, 2004 1:59 PM
>>Subject: Re: Dynamic NAT
>>
>>
>>
>>>without the "overload" keyword, the 29th NAT
>>
>>translation will fail.
>>
>>>with "overload" PAT kicks in.
>>>
>>>Larry
>>>
>>>
>>>Phil wrote:
>>>
>>>>That is a good question. Without trying in the
>>
>>lab I would say that if
>>
>>>>your nat command is:
>>>>
>>>>ip nat inside source list 1 pool SMALL overload
>>>>
>>>>It will use PAT on the NATed source addresses,
>>
>>but every source will
>>
>>>>be 204.1.1.3 with different port numbers.
>>
>>Without the "overload"
>>
>>>>keyword my guess is that it will not work after
>>
>>the last address in
>>
>>>>the pool is used.
>>>>
>>>>Phil
>>>>
>>>>On Thu, 2 Dec 2004 13:34:59 -0500, ccie2be
>>
>><ccie2be@nyc.rr.com> wrote:
>>
>>>>>Hi guys,
>>>>>
>>>>>I've seen several examples where the pool of
>>
>>addresses (Inside Global)
>>is
>>
>>>>>smaller than the number of Inside Local that
>>
>>might potentially need to
>>be
>>
>>>>>translated.
>>>>>
>>>>>For example, let's say the inside local address
>>
>>is 10.0.1.0/24 which is
>>254
>>
>>>>>potential addresses to be translated.
>>>>>
>>>>>Also, assume the pool of Inside Global address
>>
>>is define like this:
>>
>>>>>ip nat pool SMALL 204.1.1.3 204.1.1.31 netmask
>>
>>255.255.255.0
>>
>>>>>which is a total of 28 addresses.
>>>>>
>>>>>What happens when the 29th Inside Local address
>>
>>needs to be tranlated?
>>
>>>>>Does it just not work or does NAT "know" to now
>>
>>use extended translation
>>
>>>>>tables?
>>>>>
>>>>>TIA, Tim
>>>>>
>>>
>>>_______________________________________________________________________
>>>
>>>>>Subscription information may be found at:
>>>>>http://www.groupstudy.com/list/CCIELab.html
>>>>
>>>>
>>>>
> _______________________________________________________________________
>
>>>>Subscription information may be found at:
>>>>http://www.groupstudy.com/list/CCIELab.html
>>
>>
> _______________________________________________________________________
>
>>Subscription information may be found at:
>>http://www.groupstudy.com/list/CCIELab.html
>>
>
>
>
>
>
> __________________________________
> Do you Yahoo!?
> The all-new My Yahoo! - Get yours free!
> http://my.yahoo.com
>
> _______________________________________________________________________
> Subscription information may be found at:
> http://www.groupstudy.com/list/CCIELab.html
This archive was generated by hypermail 2.1.4 : Mon Jan 03 2005 - 10:31:23 GMT-3