Cisco Abbreviations and Acronyms

1. ISA
   Integrated Service Adapter
2. ISA
   Integrated Services Adapter
3. ISAKMP
   Internet Security Association Key Management Protocol
4. ISAKMP
   Internet Security Association & Key Management Protocol
5. ISBU
   Internet Systems Business Unit
6. ISDN
   Internet Services Ditital Network
7. ISE
   Identify Services Engine
8. ISE
   Identify Service Engine
9. ISE
   Identity Services Engine
10. ISE
    Identity Service Engine
11. ISE
    Internet Services Engine
12. ISG
    Intelligent Services Gateway
13. ISG
    Internet-Service-Gateway
14. ISG
    Internet Services Gateway
15. ISG
    Internet Servfce Gateway
16. ISL
    Inter Switching Link
17. ISL
    Inter-Switch-Link
18. ISL
    Inter Switch Link
19. ISM
    Integrated Services Module
20. ISMS
    Internal Services Modules

Last updated: May 6, 2025 — Total entries: 1,540