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Cisco Employee

Tiered Upgrade to SSL-C

Release notes indicate that a tiered upgrade to 8.10 code is required if your upgrading to support the new CSS5-SSL-C-K9 - referred to as the SSL-C in the release notes. As follows :

Required Minimum Maintenance Release Before Upgrading to Version 8.10

For the CSS software version 8.10 to support the SSL compression (SSL-C) module, before you upgrade, the CSS must be at one of the following maintenance releases or higher:




If the CSS is not at one of these maintenance releases, you must perform the following upgrade sequence:

1. Upgrade the CSS to the required maintenance release.

2. Upgrade the CSS to software version 8.10.

Question :

Do the new SSL cards need to be installed for this tiered upgrade ? Can you do the software upgrade and install the cards at a later date ?

Cisco Employee

Re: Tiered Upgrade to SSL-C

you should install the card after upgrading to 8.10 since the card would not be recognized in any other version.


Cisco Employee

Re: Tiered Upgrade to SSL-C

Why is a tiered upgrade required ?