H3C Technologies H3C SecBlade NetStream Cards - Manual (Page 344)

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UBR Unspecified Bit Rate
UDLD Uni-directional Link Direction
UDP User Datagram Protocol
UFC Update Fabric Configuration
UIM User Identity Module
UNI User Network Interface
UPE Underlayer PE
UPE User facing-Provider Edge
URL Uniform Resource Locator
URPF Unicast Reverse Path Forwarding
USB Universal Serial Bus
USK Unicast Session Key
USM User-Based Security Model
UTC Coordinated Universal Time
UTM Unified Threat Management
V Return
VA Virtual Access
VAD Voice Activity Detection
VAM VPN Address Management
VBD Voice Band Data
VC Virtual Circuit
VC Virtual Container
VCC Virtual Circuit Connection
VCCV Virtual Circuit Connectivity Verification
VCI Virtual Channel Identifier
VCN Virtual Circuit Number
VCPM Voice Co-processing Module
VCT Virtual Cable Test
VCX Voice Core Exchange
VD Virtual Device
VDSL Very High-rate Digital Subscriber Line
VE Virtual Ethernet
VE-Bridge Virtual Ethernet Bridge
VF Owner Virtual Forwarder Owner
VFC Virtual Fiber Channel
VJ TCP/IP V. Jacobson Compressing TCP/IP
VLAN Virtual Local Area Network
VN Version Number