Help us improve your experience.

Let us know what you think.

Do you have time for a two-minute survey?

header-navigation
keyboard_arrow_up
close
keyboard_arrow_left
Junos CLI Reference
Table of Contents Expand all
list Table of Contents
file_download PDF
{ "lLangCode": "en", "lName": "English", "lCountryCode": "us", "transcode": "en_US" }
English
keyboard_arrow_right

vlan (Secure Access Port)

date_range 20-Nov-23

Syntax

content_copy zoom_out_map
vlan (all | vlan-name) {
    examine-fip {
        examine-vn2vn {
            beacon-period milliseconds;
        }
        fc-map fc-map-value;
        no-fip-snooping-scaling;
    }
    dhcp-option82
        circuit-id {
            prefix (Circuit ID for Option 82) hostname;
            use-interface-description;
            use-vlan-id;
        }
        remote-id {
            prefix (Remote ID for Option 82) hostname | mac | none;
            use-interface-description;
            use-string                         string;
        }
        vendor-id <string>;
    }
    (arp-inspection | no-arp-inspection);
        circuit-id {
            prefix (Circuit ID for Option 82) hostname;
            use-interface-description;
            use-vlan-id;
        }
        remote-id {
            prefix (Remote ID for Option 82) hostname | mac | none;
            use-interface-description;
             use-string string;
        }
    vendor-id <string>;
    }
    (examine-dhcp | no-examine-dhcp);
    mac-move-limitlimit action action;
}

Hierarchy Level

content_copy zoom_out_map

Description

Apply DHCP snooping, dynamic ARP inspection (DAI), DHCP option 82, and MAC move limiting.

Tip:

To display a list of all configured VLANs on the system, including VLANs that are configured but not committed, type ? after vlan or vlans in your configuration mode command line. Note that only one VLAN is displayed for a VLAN range.

The remaining statements are explained separately. See CLI Explorer.

Options

all—Apply DHCP snooping, DAI, DHCP option 82, and MAC move limiting to all VLANs.

vlan-name —Apply DHCP snooping, DAI, DHCP option 82, and MAC move limiting to the specified VLAN.

Required Privilege Level

routing—To view this statement in the configuration.

routing-control—To add this statement to the configuration.

Release Information

Statement introduced in Junos OS Release 11.1.

footer-navigation