Interface Flags

The Interface flags field, which provides information about the physical interface, displays one or more of the following values:

• Admin-Test—Interface is in test mode and some sanity checking, such as loop detection, is disabled.
• Disabled—Interface is administratively disabled.
• Down—A hardware failure has occurred.
• Hardware-Down—Interface is nonfunctional or incorrectly connected.
• Link-Layer-Down—Interface keepalives have indicated that the link is incomplete.
• No-Multicast—Interface does not support multicast traffic.
• No-receive No-transmit—Passive monitor mode is configured on the interface.
• Point-To-Point—Interface is point to point.
• Pop all MPLS labels from packets of depth—MPLS labels are removed as packets arrive on an interface that has the pop-all-labels statement configured. The depth value can be one of the following:
  • 1—Takes effect for incoming packets with one label only.
  • 2—Takes effect for incoming packets with two labels only.
  • [ 1 2 ]—Takes effect for incoming packets with either one or two labels.
• Promiscuous—Interface is in promiscuous mode and recognizes frames addressed to all physical addresses.
• Recv-All-Multicasts—Interface is in multicast promiscuous mode and provides no multicast filtering.
• SNMP-Traps—SNMP trap notifications are enabled.
• Up—Interface is enabled and operational.