Reference Guide

910 | Virtual LANs (VLAN)
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Assign an IP address to a VLAN
VLANs are a Layer 2 feature. For two physical interfaces on different VLANs to communicate, you must
assign an IP address to the VLANs to route traffic between the two interfaces.
The
shutdown command in INTERFACE mode does not affect Layer 2 traffic on the interface; the
shutdown command only prevents Layer 3 traffic from traversing over the interface.
To assign an IP address, use the following command in INTERFACE mode:
In FTOS, VLANs and other logical interfaces can be placed in Layer 3 mode to receive and send routed
traffic. For details, see Bulk Configuration
.
VLAN Interface Counters
VLAN counters can be enabled for either Ingress packets, egress packets, or both. VLAN counters are
disabled by default, and are supported on E-Series ExaScale
e
x
only.
To return to the default without any VLAN counters, enter no
enable vlan-counter.
Note: An IP address cannot be assigned to the Default VLAN, which, by default, is VLAN 1. To assign
another VLAN ID to the Default VLAN, use the default vlan-id vlan-id command.
Command Syntax Command Mode Purpose
ip address ip-address mask [secondary] INTERFACE Configure an IP address and mask on the interface.
• ip-address mask — Enter an address in
dotted-decimal format (A.B.C.D) and the mask
must be in slash format (/24).
• secondary — This is the interface’s backup IP
address. You can configure up to eight secondary
IP addresses.
Command Syntax Command Mode Purpose
enable vlan-counter [ingress | egress |
all]
CONFIGURATION Configure ingress, egress or both counters for VLAN
interfaces.
Note: VLAN output counters may show higher than expected values because source-suppression drops
are counted.