R2511-HP MSR Router Series Interface Command Reference(V5)

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Field Description
Protocol: (s) - spoofing
If the network layer protocol state of an interface is shown as UP, but its link is an
on-demand link or not present at all, its protocol attribute includes the spoofing
flag, (an letter "s" in parentheses). This attribute is typical of interface Null 0 and
loopback interfaces.
Interface Interface name.
Link
Physical link state of the interface:
• UP—The link is up.
• DOWN—The link is physically down.
• ADM—The link has been administratively shut down. To recover its physical
state, use the undo shutdown command.
• Stby—The interface is a standby interface.
Protocol Protocol connection state of the interface: UP, DOWN, or UP(s).
Description
Interface description.
Information displayed in this field is restricted by space. To view the complete
interface description, use the display interface command without specifying the
brief keyword.
The brief information of
interface(s) under bridge
mode:
Brief information about Layer 2 interfaces.
Speed or Duplex: (a)/A -
auto; H - half; F - full
If the speed of an interface is automatically negotiated, its speed attribute
includes the auto negotiation flag, letter a in parentheses.
If the duplex mode of an interface is automatically negotiated, its duplex mode
attribute includes the following options:
• (a)/A—Auto negotiation.
• H—Half negotiation.
• F—Full negotiation.
Type: A - access; T - trunk;
H - hybrid
Link type options for Ethernet interfaces.
Speed Interface rate, in bps.
Duplex
Duplex mode of the interface:
• A—Auto negotiation.
• F—Full duplex.
• F(a)—Auto-negotiated full duplex.
• H—Half duplex.
• H(a)—Auto-negotiated half duplex.
Type
Link type of the interface:
• A—Access.
• H—Hybrid.
• T—Trunk.
PVID Port VLAN ID.
Cause
Causes for the physical state of an interface to be DOWN. For more information,
see Table 6.