Junos OS Interfaces Command Reference - Juniper Networks

• SNMP-Traps—SNMP trap notifications are enabled.
• Up—Interface is enabled and operational.
Link Flags Field
The Link flags field provides information about the physical link and displays one or more
of the following values:
• ACFC—Address control field compression is configured. The Point-to-Point Protocol
(PPP) session negotiates the ACFC option.
• Give-Up—Link protocol does not continue connection attempts after repeated failures.
• Loose-LCP—PPP does not use the Link Control Protocol (LCP) to indicate whether the
link protocol is operational.
• Loose-LMI—Frame Relay does not use the Local Management Interface (LMI) to indicate
whether the link protocol is operational.
• Loose-NCP—PPP does not use the Network Control Protocol (NCP) to indicate whether
the device is operational.
• No-Keepalives—Link protocol keepalives are disabled.
• PFC—Protocol field compression is configured. The PPP session negotiates the PFC
option.
Logical Interface Flags Field
The Logical interface flags field provides information about the logical interface and
displays one or more of the following values:
• ACFC Encapsulation—Address control field Compression (ACFC) encapsulation is
enabled (negotiated successfully with a peer).
• Device-down—Device has been administratively disabled.
• Disabled—Interface is administratively disabled.
• Down—A hardware failure has occurred.
• Clear-DF-Bit—GRE tunnel or IPsec tunnel is configured to clear the Don't Fragment
(DF) bit.
Copyright © 2012, Juniper Networks, Inc.
• Hardware-Down—Interface protocol initialization failed to complete successfully.
• PFC—Protocol field compression is enabled for the PPP session.
• Point-To-Point—Interface is point-to-point.
• SNMP-Traps—SNMP trap notifications are enabled.
• Up—Interface is enabled and operational.
Chapter 3: Common Output Fields
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