Spanning Tree Protocol (STP) Commands 41
2 Switching Commands
Mirror - this port is a monitoring port. For more information, see “Port Mir-
roring” on page 93.
PC Mbr- this port is a member of a port-channel (LAG).
Probe - this port is a probe port.
Admin Mode The Port control administration state. The port must be enabled in order for it
to be allowed into the network. - May be enabled or disabled. The factory
default is enabled.
Physical Mode The desired port speed and duplex mode. If auto-negotiation support is
selected, then the duplex mode and speed is set from the auto-negotiation pro-
cess. Note that the maximum capability of the port (full duplex -100M) is
advertised. Otherwise, this object determines the port's duplex mode and
transmission rate. The factory default is Auto.
Physical Status The port speed and duplex mode.
Link Status The Link is up or down.
Link Trap This object determines whether or not to send a trap when link status changes.
The factory default is enabled.
LACP Mode LACP is enabled or disabled on this port.
show port protocol
This command displays the Protocol-Based VLAN information for either the entire system, or
for the indicated group.
Format
show port protocol {<groupid> | all}
Mode Privileged EXEC
Group Name The group name of an entry in the Protocol-based VLAN table.
Group ID The group identifier of the protocol group.
Protocol(s) The type of protocol(s) for this group.
VLAN The VLAN associated with this Protocol Group.
Interface(s) Lists the slot/port interface(s) that are associated with this Protocol Group.
Spanning Tree Protocol (STP) Commands
This section describes the commands you use to configure Spanning Tree Protocol (STP). STP
helps prevent network loops, duplicate messages, and network instability.
NOTE: STP is disabled by default. When you enable STP on the switch, STP is still
disabled on each port.
NOTE: If STP is disabled, the system does not forward BPDU messages.
spanning-tree
This command sets the spanning-tree operational mode to enabled.
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