Concentrator Modules
The 3015, 3020, 3030, 3060, and 3080 support modular slots for additional cards. Currently, the only two cards that you can put into these slots are SEP-2 and SEP-E modules. SEP modules perform VPN functions, such as encryption, in hardware.
When Cisco acquired Altiga, there were three cards you could put in these slots: an SEP module (Version 1), a T1 module, or an E1 module. Cisco no longer sells these cards: only the SEP-2 and SEP-E modules are available.
SEP Modules
The SEP-2 modules will perform encryption for DES and 3DES only. The SEP-E module has replaced the SEP-2 module. It allows the concentrator to perform DES, 3DES, and AES encryption. To perform AES encryption in hardware, the concentrator also needs to be ...
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