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09-24-2013 06:10 AM - edited 02-21-2020 07:11 PM
Hi,
I recently discovered the IPSec Packet Size Calculator in this forum (see attachment).
It is very helpful to calculate the overhead when using IPSec, esp. DMVPN.
Unforunately it doesn't contain options for the following hashes:
esp-sha256-hmac ESP transform using HMAC-SHA256 auth
esp-sha384-hmac ESP transform using HMAC-SHA384 auth
esp-sha512-hmac ESP transform using HMAC-SHA512 auth
Where can I find information about how big the digest will be when using "esp-sha256-hmac" in my transform set?
Is somebody able and willing to implement these new options in the calculator?
Thanks
Solved! Go to Solution.
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03-19-2015 01:39 PM
This was just published about a week ago:
https://cway.cisco.com/tools/ipsec-overhead-calc/ipsec-overhead-calc.html
Thanks,
Wen
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09-30-2013 03:43 AM
Hi,
can nobody give me a hint?
:-)
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03-11-2014 04:51 PM
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03-12-2014 01:39 AM
up until now I didn't find any reliable information either.
I contacted the authour of the above html file, but there is no new version...
Would also greatly appreciate an update :-)
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03-19-2015 01:39 PM
This was just published about a week ago:
https://cway.cisco.com/tools/ipsec-overhead-calc/ipsec-overhead-calc.html
Thanks,
Wen
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03-20-2015 01:51 AM
Thanks Wen!!
Thats exactly what I was looking for!
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03-20-2015 06:08 AM
Sebastian:
Good to know the tool is useful to you. If you have any ideas on how it can be enhanced, provide your feedback using the feedback link, and we'll do what we can.
Thanks,
Wen
