H3C Technologies H3C SecBlade NetStream Cards - Manual (Page 330)

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IRDP ICMP Router Discovery Protocol
IRF Intelligent Resilient Framework
IS Intermediate System
ISAKMP Internet Security Association and Key Management Protocol
ISATAP Intra-Site Automatic Tunnel Addressing Protocol
ISDN Integrated Services Digital Network
I-SID Backbone Service Instance Identifier
IS-IS Intermediate System-to-Intermediate System
ISO International Organization for Standardization
ISP Internet Service Provider
ISPF Incremental Shortest Path First
ISSU In-Service Software Upgrade
IST Internal Spanning Tree
ITSP Internet Telephone Service Provider
ITU-T International Telecommunication Union Telecommunication
IV Initialization Vector
IVR Interactive Voice Response
K Return
KA Keep-alive
L Return
L2F Layer 2 Forwarding
L2TP Layer 2 Tunneling Protocol
L2VPN Layer 2 Virtual Private Network
L3VPN Layer 3 Virtual Private Network
LAC L2TP Access Concentrator
LAC Location Area Code
LACP Link Aggregation Control Protocol
LACPDU Link Aggregation Control Protocol Data Unit
LAN Local Area Network
LAPB Link Access Procedure, Balanced
LB Load Balance
LB Label Base
LBM Loopback Message
LBR Loopback Reply
LC Logic Channel
LCI Logic Channel Identifier
LCP Link Control Protocol