You can't put percentage for xlates has it doesn't have limits

Checkout
http://www.cisco.com/en/US/docs/security/asa/asa80/configuration/guide/mngcntxt.html#wp1113834

With regards
Kings

On Thu, May 10, 2012 at 2:33 PM, екатерина леонова <[email protected]>wrote:

> Hi, guys!
>
> I have question regarding resource limitation in multicontext mode on
> Cisco ASA.
> I want to limit xlates per context proportionally (as a percentage), I
> don't want to use absolute value.
>
> I know that xlate value is unlimited on Cisco ASA (as opposed to Cisco
> FWSM. In Cisco FWSM there's limit for 256,000 concurrent NAT or PAT
> translations).
>
> But as I see the output of command syntax, here it should be possibility
> for using `%`:
>
>    ASA1(config-class)# limit-resource xlates ?
>
>    class mode commands/options:
>      WORD  Value of resource limit (in <value> or <value>%)
>
> But I'm getting error when try to set value in %:
>
>    ASA1(config-class)# limit-resource xlates 50%
>    ERROR: Capacity unknown for this resource type
>
>    ASA1(config-class)# limit-resource xlates 50.00%
>    ERROR: Capacity unknown for this resource type
>
> So i'm considering some others ways to do it.
>
> As I know it could be more NAT entries than the maximum number of
> concurrent connections. The number of active NAT translations (xlates) is
> capped by the available memory, not the concurrent connection limit for the
> platform.
> There is information that it's spending around 260 bytes per xlate.
> So we can try to calculate maximum number of xlates knowing amount of
> memory for the platform. But my gut tells me that it's not correct solution)
>
> One more addition:
>
> If we type extremely large number for xlates in limit-resource class we
> get finite value in show command:
>
>    class LIMIT_XLATE
>     limit-resource xlates 999999999999999999999999
>
>    ASA1(config-class)# sh run class
>
>    class TEST
>    limit-resource Xlates 2147483647
>
> 2147483647 is actually (2^31) -1
>
> Check the following:
>
>    ASA1(config-ctx)# sh resource allocation | I Xlate
>
>    Resource Total % of Avail
>    Xlates 2147483647(U) 0.00%
>
> But I'm sure that it's not possible to maintain that huge number per
> platform.
>
> Any ideas? I'll be really appreciate for help.
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