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show interface vlan

show interface vlan <id> [access-group]

Description

Displays information about a specified 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. interface.

Syntax

Parameter

Description

<id>

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. interface number.

access-group

Session ACLAccess Control List. ACL is a common way of restricting certain types of traffic on a physical port. configured on this interface.

Example

The following example displays information about 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. 90:

(host) [mynode] #show interface vlan 20

 

VLAN20 is up line protocol is up

Hardware is CPU Interface, Interface address is 00:0C:29:3C:F7:D3 (bia 00:0C:29:3C:F7:D3)

Description: 802.1Q VLAN

IPv6 is enabled, link-local address is fe80::c:2900:143c:f7d3

Global unicast address(es):

2017::1, subnet is 2017::/64

IPv6 Router Advertisements are disabled

Routing interface is enable, Forwarding mode is enable

Directed broadcast is disabled, BCMC Optimization disabled ProxyARP disabled Suppress ARP enable

Encapsulation 802, loopback not set

MTU 1500 bytes

Last clearing of "show interface" counters 1 day 2 hr 55 min 37 sec

link status last changed 1 day 0 hr 37 min 24 sec

Proxy Arp is disabled for the Interface

IPv6 Helper Addresses Configured on this Interface:

2017::2 with source ::

 

The output of this command includes the following parameters:

Parameter

Description

VLAN1 is...

Status of the specified 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..

line protocol is...

Displays the status of the line protocol on the specified port.

Hardware is...

Describes the hardware interface type.

Interface address is...

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

Description

Description of the specified 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..

Internet address is...

IP address and subnetSubnet is the logical division of an IP network. mask of the specified 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..

IPv6 Router Advertisements...

Status of IPv6 RARouter Advertisement. The RA messages are sent by the routers in the network when the hosts send multicast router solicitation to the multicast address of all routers..

Routing interface is...

Status of the routing interface.

Forwarding mode is...

Status of the forwarding mode.

Directed broadcast is...

Displays whether or not directed broadcast is enabled.

BCMC Optimization...

Status of broadcast-multicast optimization.

ProxyARP...

Status of proxy ARPAddress Resolution Protocol. ARP is used for mapping IP network address to the hardware MAC address of a device. .
Proxy ARPAddress Resolution Protocol. ARP is used for mapping IP network address to the hardware MAC address of a device. is a technique by which a device on a given network answers the ARPAddress Resolution Protocol. ARP is used for mapping IP network address to the hardware MAC address of a device. queries for a network address that is not on that network.

Supress ARP...

Status of suppressed ARPAddress Resolution Protocol. ARP is used for mapping IP network address to the hardware MAC address of a device. .
If enabled, the managed device prevents flooding of ARPAddress Resolution Protocol. ARP is used for mapping IP network address to the hardware MAC address of a device. broadcasts on all the untrusted interfaces.

Encapsulation

Encapsulation type.

loopback...

Loopback status.

MTU

MTUMaximum Transmission Unit. MTU is the largest size packet or frame specified in octets (eight-bit bytes) that can be sent in networks such as the Internet. size of the specified port in bytes.

Last clearing of “show interface counters”

Time since show interface counters was cleared.

link status last changed

Time since link status last changed.

Proxy ARP is...

Status of proxy ARPAddress Resolution Protocol. ARP is used for mapping IP network address to the hardware MAC address of a device. on the specified interface.

IPv6 Helper Addresses...

Helper address configured for a 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..

Related Commands

Command

Description

interface mgmt

This command configures the out-of-bandBand refers to a specified range of frequencies of electromagnetic radiation. EthernetEthernet is a network protocol for data transmission over LAN. management port on controller.

interface range

This command configures a range of GigabitEthernet interfaces on the managed device.

interface tunnel

This command configures a Layer-2 or Layer-3 GREGeneric Routing Encapsulation. GRE is an IP encapsulation protocol that is used to transport packets over a network. tunnel between a managed device and another GREGeneric Routing Encapsulation. GRE is an IP encapsulation protocol that is used to transport packets over a network.-capable device.

interface vlan

This command configures a 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. interface.

interface vlan ip igmp

This command enables IGMPInternet Group Management Protocol. Communications protocol used by hosts and adjacent routers on IP networks to establish multicast group memberships. or IGMP snoopingIGMP snooping prevents multicast flooding on Layer 2 network by treating multicast traffic as broadcast traffic. Without IGMP snooping, all streams could be flooded to all ports on that VLAN. When multicast flooding occurs, end-hosts that happen to be in the same VLAN would receive all the streams only to be discarded without snooping. on this interface, or configures a 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. interface for uninterrupted streaming of multicast traffic.

Command History

Release

Modification

ArubaOS 8.2.0.0

The IPv6helper-address is displayed in the output.

ArubaOS 8.0.0.0

Command introduced.

Command Information

Platforms

License

Command Mode

All platforms

Base operating system.

Enable or Config mode on Mobility Master.

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