07-15-2012 11:49 PM
Can anyone please advise if there are any differences in the ways which an ACE10 and ACE30 modules do load balancing - something which might affect http? In other words, if I do an upgrade from an ACE10 to ACE30, are there any configuration changes which should be done to make the ACE30 behave exactly the same as an ACE10?
Thanks
07-23-2012 02:24 PM
The data plane is completely different : Intel IXP 2800 for ACE 10 / 20 and multiple Cavium Octeon chipsets for ACE 30.
ACE 30 is closer to the ACE 4710 than previous releases of ACE modules.
08-22-2015 11:18 PM
Just to finish up this thread, no there can be differences in behaviour between an ACE 10/20 and an ACE30 if you do a straight backup and restore to the newer ACE30. It is mainly due to the software on the ACE30, especially after A5(2.2). Cisco in a few cases made a decision to adhere more closely to the various RFCs and sometimes this can affect a badly coded website. Examples would be the maximum header length and accepted characters.
I saw a case where a badly written website used enormous headers and a command had to be added to allow the longer headers, also check out the parsing non-strict command here:
So it depends on the IOS version you upgrade to on your newer ACE30
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