Viewing the current port speed and duplex configuration on a switch port
Syntax:
show interfaces brief <port-list>
Includes port speed and duplex configuration in the Mode column of the resulting display.
Viewing advertisements currently in the neighbors MIB
Syntax:
show lldp info remote-device [port-list]
Without the [port-list] option, provides a global list of the individual devices it has detected by reading LLDP
advertisements. Discovered devices are listed by the inbound port on which they were discovered.
Multiple devices listed for a single port indicates that such devices are connected to the switch through a hub.
Discovering the same device on multiple ports indicates that the remote device may be connected to the
switch in one of the following ways:
• Through different VLANS using separate links. (This applies to switches that use the same MAC address for
all configured VLANs.)
• Through different links in the same trunk.
• Through different links using the same VLAN. (In this case, spanning-tree should be invoked to prevent a
network topology loop. Note that LLDP packets travel on links that spanning-tree blocks for other traffic types.)
With the [port-list] option, provides a listing of the LLDP data that the switch has detected in advertisements
received on the specified ports.
For descriptions of the various types of information displayed by these commands, see
Data available for basic
LLDP advertisements.
A global listing of discovered devices
switch(config)# show lldp info remote
LLDP Remote Devices Information
LocalPort | ChassisId PortId PortDescr SysName
--------- + ------------------------- ------ --------- -------------
1 | 00 11 85 35 3b 80 6 6 Switch
2 | 00 11 85 cf 66 60 8 8 Switch
An LLLDP-MED listing of an advertisement received from an LLDP-MED (VoIP telephone) source
switch(config)# show lldp info remote-device 1
LLDP Remote Device Information Detail
Local Port : A2
ChassisType : network-address
ChassisId : 0f ff 7a 5c
PortType : mac-address
PortId : 08 00 0f 14 de f2
SysName : Switch
System Descr : Switch, revision xx.15.06.0000x
PortDescr : LAN Port
244 Aruba 2930F / 2930M Management and Configuration Guide
for ArubaOS-Switch 16.08
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