Enabling LLDP-MED Capability TLV

At Switch A:

Configure the LLDP module status as enabled. Refer to section “Enabling LLDP” for configuring LLDP module status.

CLI Configuration

  1. Enable LLDP-MED Capability TLV by executing the following commands.

    Type the following:

    • Enter the Global Configuration Mode.
    iS5comm# configure terminal
    iS5comm(config)# interface gigabitethernet  0/1
    iS5comm(config-if)# lldp med-tlv-select med-capability
    iS5comm(config-if)# end
  2. View the local system information by executing the following command

    Type the following:

    iS5comm# show lldp local gigabitethernet  0/1
    Port Id SubType               : Interface Alias
    Port Id                       : Gi0/1
    Port Description              : Ethernet Interface Port 01
    Enabled Tx Tlvs               : Port Description, System Name,
    System Description, System Capability,
    Management Address
    
    
    Extended 802.3 TLV Info
    -MAC PHY Configuration & Status
    Auto-Neg Support & Status     :  ,
    Advertised Capability Bits    : 0000
    Operational MAU Type          : 0
    -Maximum Frame Size           : 1500
    
    
    Extended 802.1 TLV Info
    -Port VLAN Id                 : 1
    -Port & Protocol VLAN Id
    Protocol VLAN Id     Support    Protocol VLAN Status     TxStatus
    ----------------     -------    --------------------     --------
    0                    Supported  Enabled                  Disabled
    
    
    -Vlan Name
    Vlan Id        Vlan Name                          TxStatus
    -------        ---------                          --------
    1                                                 Disabled
    
    
    -Link Aggregation
    Capability & Status           : Not Capable, Not In Aggregation
    Aggregated Port Id            : 0
    
    
    -VID TLV:
    VID            TxStatus
    -------        ---------
    1dcdf777       Enabled
    
    
    -Management Vid TLV:
    Vlan Id        TxStatus
    -------        ---------
    1              Enabled
    
    
    LLDP-MED Admin Status         : Disabled
    
    
    -LLDP-MED Capability TLV
    LLDP-MED Tx Supported         : MedCapability, NetworkPolicy,
    LocationIdentity,
    Ex-PowerViaMDI-PSE, Inventory
    LLDP-MED Tx Enabled :MedCapability
    
    
    -LLDP-MED Network Policy TLV
    Application Type              :
    Unknown Policy Flag           :
    VlanType                      :
    VlanID                        :
    Priority                      :
    Dscp                          :
    
    
    -LLDP-MED Location TLV Info
    Location Subtype              :
    Location Info                 :
    
    
    -LLDP-MED Ex-PowerViaMDI TLV Info
    Power Priority                : Critical
    Power Value                   : 1000
    ------------------------------------------------------------
  3. View the information about neighbors learnt on a particular interface by executing the following command;
    Type the following
    iS5comm# show lldp neighbors detail
    Capability Codes:
    (R) Router, (B) Bridge, (T) Telephone, (C) DOCSIS Cable Device,
    (W) WLAN Access Point, (P) Repeater, (S) Station, (O) Other
    
    
    Chassis Id SubType            : Mac Address
    Chassis Id                    : e8:e8:75:90:0b:01
    Port Id SubType               : Interface Alias
    Port Id                       : Gi0/1
    Port Description              : Not Advertised
    System Name                   : Not Advertised
    System Desc                   : Not Advertised
    Local Intf                    : Gi0/1
    Time Remaining                : 104 Seconds
    System Capabilities Tlv       : Not Advertised
    Management Address            : Not Advertised
    
    
    Extended 802.3 TLV Info
    -MAC PHY Configuration & Status
    Auto Negotiation Tlv          : Not Advertised
    -Link Aggregation
    Link Aggregation Tlv          : Not Advertised
    -Maximum Frame Size Tlv       : Not Advertised
    Extended 802.1 TLV Info
    -Port VLAN Tlv                : Not Advertised
    -Port & Protocol VLAN Id
    Protocol Vlan Tlv             : Not Advertised
    -Vlan Name
    Vlan Name Tlv                 : Not Advertised
    -VID TLV:0
    -Management Vid TLV   :0
    -LLDP MED Capability TLV
    Capabilities Supported        : MedCapability, NetworkPolicy, Inventory
    Capabilities Enabled          : MedCapability
    Device Class                  : Endpoint Class III
    
    
    -LLDP MED Inventory TLV       : Not Advertised
    Hardware Revision             : 0
    Firmware Revision             : 0
    Software Revision             : 0
    Serial Number                 : 0