Logical Interface Flags

The Logical interface flags field, which provides information about the logical interface, 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.
• 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.