Juniper JUNOSE SOFTWARE 11.0.X - LINK LAYER CONFIGURATION GUIDE 4-1-2010 Configuration Manual page 658

JUNOSe 11.0.x Link Layer Configuration Guide
vlan description
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Configuring VLAN Dynamic Subinterfaces
You can create a placeholder VLAN range by issuing the vlan bulk-config
command without specifying any subranges. You can assign a profile to this
placeholder and add subranges to it later.
You can add and remove individual VLAN subranges.
You cannot remove a VLAN subrange if any dynamic VLAN subinterfaces currently
exist within the subrange. Use the vlan bulk-config shutdown command to remove
dynamic VLAN interfaces created within a subrange.
Removal of a subrange automatically results in the removal of all overriding
profile assignments on that subrange.
You can create a bulk-configured VLAN subrange that includes the VLAN IDs and
S-VLAN IDs belonging to an existing VLAN major interface on a static VLAN
subinterface.
Example 1 Configures a VLAN range named myBulkConfig with a single VLAN
subrange containing VLAN IDs 100–500
host1(config-if)#vlan bulk-config myBulkConfig vlan-range 100 500
Example 2 Configures a VLAN range named myMultiBulkConfig with two VLAN
subranges containing S-VLAN IDs 101–600 with VLAN IDs 0–1 (first subrange)
and S-VLAN IDs 201–3200 with VLAN IDs 3–5 (second subrange)
host1(config-if)#vlan bulk-config myMultiBulkConfig svlan-range 101 600 0 1
svlan-range 201 3200 3 5
Example 3 Configures a VLAN range named myAciBulkConfig containing S-VLAN
IDs 200–400. Subscriber information is determined by the packet's
agent-circuit-identifier information.
host1(config-if)#vlan bulk-config myAciBulkConfig svlan-range 200 400
agent-circuit-identifier
Use the no version to remove the specified VLAN range from the VLAN interface,
to remove the specified subranges from the specified VLAN range, or to remove
all subranges from the specified VLAN range. The no version also removes any
overriding profile assignments for VLAN major interfaces within the deleted
VLAN range or VLAN subrange.
See vlan bulk-config.
Use to assign a description to VLAN subinterfaces that are created with this
profile.
You can use a maximum of 64 characters for the description or to name the
alias.
Example
host1(config-profile)#vlan description test1
Use the no version to remove the VLAN description.
See vlan description.