R2511-HP MSR Router Series Layer 2 - LAN Switching Command Reference(V5)
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Field Description
Link: ADM - administratively down;
Stby - standby
Link layer state of an interface:
• ADM—The interface has been administratively shut down. To
recover its physical state, perform the undo shutdown command.
• Stby—The interface is operating as a standby interface. To see the
main interface, use the display standby state command.
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 s in parentheses).
Interface Abbreviated interface name.
Link
Physical link state of the interface:
• UP—The link is up.
• ADM—The link has been administratively shut down. To recover its
physical state, perform the undo shutdown command.
Protocol Protocol connection state of the interface: UP, DOWN, or UP(s).
Main IP Main IP address of the interface.
Description Description of the interface.
Cause
Cause of a DOWN physical link. If the port has been shut down with
the shutdown command, this field displays Administratively. To restore
the physical state of the interface, use the undo shutdown command.
Related commands
reset counters interface vlan-interface
display vlan
Use display vlan to display VLAN information.
Syntax
display vlan [ vlan-id1 [ to vlan-id2 ] | all | dynamic | reserved | static ] [ | { begin | exclude | include }
regular-expression ]
Views
Any view
Default command level
1: Monitor level
Parameters
vlan-id1: Displays information about a VLAN specified by VLAN ID in the range of 1 to 4094.
vlan-id1 to vlan-id2: Displays information about VLANs specified by a VLAN ID range. vlan-id2 must be
no smaller than vlan-id1.
all: Displays all VLAN information but the reserved VLANs.
dynamic: Displays the number of dynamic VLANs and the ID for each dynamic VLAN. The dynamic
VLANs are generated through GVRP or those distributed by a RADIUS server.










