H3C S5120-EI Series, Operation Manual

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A-5
Acronyms Full spelling
IBM International Business Machines
ICMP Internet Control Message Protocol
ICMPv6 Internet Control Message Protocol for IPv6
ID IDentification/IDentity
IEEE
Institute of Electrical and Electronics Engineers
IETF Internet Engineering Task Force
IGMP Internet Group Management Protocol
IGMP-Snooping Internet Group Management Protocol Snooping
IGP Interior Gateway Protocol
ILM Incoming Label Map
ILS Internet Locator Service
IN Intelligent Network
IP Internet Protocol
IPng IP Next Generation
IPSec IP Security
IPTN IP Phone Telephony Network
IPv6 Internet protocol version 6
IPX Internet Packet Exchange
IRF Intelligent Resilient Framework
IS Intermediate System
ISATAP Intra-Site Automatic Tunnel Addressing Protocol
ISDN Integrated Services Digital Network
IS-IS
Intermediate System-to-Intermediate System intra-domain
routing information exchange protocol
ISO International Organization for Standardization
ISP Internet service provider
ISSU In Service Software Upgrade
IST Internal Spanning Tree
ITU-T
International Telecommunication Union -
Telecommunication Standardization Sector
K Return
KB Kilobyte
KEK Key-encrypting
key
L Return
L2TP Layer 2 Tunneling Protocol
L2VPN Layer 2 VPN
L3VPN Layer 3 VPN