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show lldp neighbor

show lldp neighbor interfaces gigabitethernet <slot/module/port> [detail]

Description

This command displays information about LLDPLink Layer Discovery Protocol. LLDP is a vendor-neutral link layer protocol in the Internet Protocol suite used by network devices for advertising their identity, capabilities, and neighbors on an IEEE 802 local area network, which is principally a wired Ethernet. peers.

Syntax

Parameter

Description

gigabitethernet <slot/module/port>

Displays LLDPLink Layer Discovery Protocol. LLDP is a vendor-neutral link layer protocol in the Internet Protocol suite used by network devices for advertising their identity, capabilities, and neighbors on an IEEE 802 local area network, which is principally a wired Ethernet. information on a gigabitethernet interface.

detail

Include details.

Example

The command in the first example below shows that the ports GE0/0/1 and GE0/0/2 recognize each other as an LLDPLink Layer Discovery Protocol. LLDP is a vendor-neutral link layer protocol in the Internet Protocol suite used by network devices for advertising their identity, capabilities, and neighbors on an IEEE 802 local area network, which is principally a wired Ethernet. peers.

(host)#show lldp neighbor

Capability codes: (R)Router, (B)Bridge, (A)Access Point, (P)Phone, (O)Other

LLDP Neighbor Information

-------------------------

Local Intf Chassis ID Capability Remote Intf Expiry-Time (Secs)

--------- ----------- ----------- ----------- ------------------

GE0/0/1 00:0b:86:6a:25:40 B:R GE0/0/17 105

GE0/0/2 00:0b:86:6a:25:40 B:R GE0/0/18 105

System name

-----------

Aruba 7220

Aruba 7220

Number of neighbors: 2

(host) #show lldp neighbor interface gigabitethernet 0/0/3 detail

Interface: gigabitethernet 0/0/3, Number of neighbors: 1

------------------------------------------------------------

Chassis id: d8:c7:c8:ce:0d:63, Management address: 192.168.0.252

Interface description: bond0, ID: d8:c7:c8:ce:0d:63, MTU: 1522

Device MAC: d8:c7:c8:ce:0d:63

Last Update: Thu Sep 27 10:59:37 2012

Time to live: 120, Expires in: 103 Secs

System capabilities : Bridge,Access point

Enabled capabilities: Access point

System name: IAP-105

System description:

ArubaOS (MODEL: 105), Version 6.1.3.4-3.1.0.0 (35380)

Auto negotiation: Supported, Enabled

Autoneg capability:

10Base-T, HD: yes, FD: yes

100Base-T, HD: yes, FD: yes

1000Base-T, HD: no, FD: yes

Media attached unit type: 1000BaseTFD - Four-pair Category 5 UTP, full duplex mode (30)

MAC: 7c:d1:c3:c7:e9:72: Blacklist

MAC: 9c:b7:0d:7d:0b:72: Blacklist

MAC: 7c:d1:c3:d1:02:c8: Blacklist

The output of the show lldp neighbor command includes the following information:

Parameter

Description

Local Intf

Slot and port number.

Chassis ID

MACMedia Access Control. A MAC address is a unique identifier assigned to network interfaces for communications on a network. address of the LLDPLink Layer Discovery Protocol. LLDP is a vendor-neutral link layer protocol in the Internet Protocol suite used by network devices for advertising their identity, capabilities, and neighbors on an IEEE 802 local area network, which is principally a wired Ethernet. Peer.

Capability

Shows the capabilities of the peer to operate as a router, bridge, access point, phone or other network device.

Remote Intf

Remote interface.

Expiry-time

Expiry time.

System Name

Name of the peer system, as supplied by the peer.

The output of the show lldp neighbor interface gigabitethernet <slot/module/port> detail command varies, depending upon the type of LLDPLink Layer Discovery Protocol. LLDP is a vendor-neutral link layer protocol in the Internet Protocol suite used by network devices for advertising their identity, capabilities, and neighbors on an IEEE 802 local area network, which is principally a wired Ethernet. peer detected. The output in the example above contains the following information:

Parameter

Description

Interface

Name of the port for which you are viewing LLDPLink Layer Discovery Protocol. LLDP is a vendor-neutral link layer protocol in the Internet Protocol suite used by network devices for advertising their identity, capabilities, and neighbors on an IEEE 802 local area network, which is principally a wired Ethernet. neighbor information.

Number of Neighbors

Number of LLDPLink Layer Discovery Protocol. LLDP is a vendor-neutral link layer protocol in the Internet Protocol suite used by network devices for advertising their identity, capabilities, and neighbors on an IEEE 802 local area network, which is principally a wired Ethernet. neighbors seen by the port.

Chassis id

MACMedia Access Control. A MAC address is a unique identifier assigned to network interfaces for communications on a network. address of the neighbor device.

Management address

MACMedia Access Control. A MAC address is a unique identifier assigned to network interfaces for communications on a network. address of the neighbor’s management port.

Interface description

Description of the LLDPLink Layer Discovery Protocol. LLDP is a vendor-neutral link layer protocol in the Internet Protocol suite used by network devices for advertising their identity, capabilities, and neighbors on an IEEE 802 local area network, which is principally a wired Ethernet. neighbor interface.

ID

Interface ID of the LLDPLink Layer Discovery Protocol. LLDP is a vendor-neutral link layer protocol in the Internet Protocol suite used by network devices for advertising their identity, capabilities, and neighbors on an IEEE 802 local area network, which is principally a wired Ethernet. neighbor interface.

MTU

Maximum Transmission Unit size allowed by the neighbor device in bytes.

Device MAC

Shows the MACMedia Access Control. A MAC address is a unique identifier assigned to network interfaces for communications on a network. address of the IAP connected to the MAS port.

Last Update

Date and time the neighbor device’s status changed.

Time to live

Time, in seconds, for which this information is valid.

Expires in

Time, in seconds, before this information is considered invalid.

System capabilities

This column shows the capabilities of the peer to operate as a router, bridge, access point, phone or other network device.

Enabled capabilities

This column if the peer has been actively configured to operate as a router, bridge, access point, phone or other network device.

System name

Name of the peer system, as supplied by the peer.

System description

Description of the peer system, as supplied by the peer.

Auto negotiation

Shows if link auto-negotiation is enabled for the peer interface.

Media attached unit type

This parameter displays additional details about an LLDP-MEDLLDP–Media Endpoint Discovery. LLDP-MED facilitates information sharing between endpoints and network infrastructure devices. device attached to the interface. The specific details depend upon the capabilities of the device.

VLAN

VLANVirtual Local Area Network. In computer networking, a single Layer 2 network may be partitioned to create multiple distinct broadcast domains, which are mutually isolated so that packets can only pass between them through one or more routers; such a domain is referred to as a Virtual Local Area Network, Virtual LAN, or VLAN. ID assigned to the peer interface.

pvid

Indicates if the VLANVirtual Local Area Network. In computer networking, a single Layer 2 network may be partitioned to create multiple distinct broadcast domains, which are mutually isolated so that packets can only pass between them through one or more routers; such a domain is referred to as a Virtual Local Area Network, Virtual LAN, or VLAN. ID is assigned to the peer access port.

MAC

Shows the MACMedia Access Control. A MAC address is a unique identifier assigned to network interfaces for communications on a network. address of the rogue AP detected by the Instant AP(IAP), which is blacklisted by the MAS.

LLDP-MED

 

Shows details for LLDP-MEDLLDP–Media Endpoint Discovery. LLDP-MED facilitates information sharing between endpoints and network infrastructure devices. (Media Endpoint Discovery), if applicable.

Device Type

Type of LLDP-MEDLLDP–Media Endpoint Discovery. LLDP-MED facilitates information sharing between endpoints and network infrastructure devices. device connected to the peer interface.

Capability

Capabilities of the LLDP-MEDLLDP–Media Endpoint Discovery. LLDP-MED facilitates information sharing between endpoints and network infrastructure devices. device connected to the peer interface.

Related Commands

Command

Description

ap lldp profile

Define an LLDPLink Layer Discovery Protocol. LLDP is a vendor-neutral link layer protocol in the Internet Protocol suite used by network devices for advertising their identity, capabilities, and neighbors on an IEEE 802 local area network, which is principally a wired Ethernet. profile that specifies the TLVType-length-value or Tag-Length-Value. TLV is an encoding format. It refers to the type of data being processed, the length of the value, and the value for the type of data being processed. elements to be sent in LLDPLink Layer Discovery Protocol. LLDP is a vendor-neutral link layer protocol in the Internet Protocol suite used by network devices for advertising their identity, capabilities, and neighbors on an IEEE 802 local area network, which is principally a wired Ethernet. PDUs.

Command History

Release

Modification

ArubaOS 8.0.0.0 Command Introduced.

Command Information

Platforms

Licensing

Command Mode

All platforms

Base operating system.

Enable or Config mode on Mobility Master.

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