Cisco Cisco Firepower Management Center 4000

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14-20
FireSIGHT System User Guide
 
Chapter 14      Understanding and Writing Access Control Rules 
  Working with Different Types of Conditions
Adding VLAN Tag Conditions
License: 
Any
Supported Devices: 
Any, except ASA FirePOWER
You can add any of the following kinds of VLAN tag conditions to an access control rule:
  •
individual and group VLAN tag objects that you have created using the object manager
See 
 for information creating individual and group VLAN 
tag objects using the object manager.
  •
individual VLAN tag objects that you add from the VLAN Tags conditions page, and can then add 
to your rule and to other existing and future rules
See 
 for more information.
  •
literal VLAN tag conditions
See 
 for more information.
The system inspects all traffic on your network for VLAN tags you specify, and uses the innermost 
VLAN tag to identify a packet by VLAN.
The following procedure explains how to add VLAN conditions while adding or editing an access 
control rule. See 
 for more detailed 
information.
To add VLAN tag conditions to an access control rule:
Access: 
Admin/Access Admin/Network Admin
Step 1
Select the 
VLAN Tags
 tab on the rule Edit page.
The VLAN Tags page appears.
Step 2
Optionally, click the 
Search by name or value
 prompt above the 
Available VLAN Tags
 list, then type a name 
or value.
The list updates as you type to display matching conditions. See 
 
for more information.
Step 3
Click a condition in the 
Available VLAN Tags
 list. Use the Shift and Ctrl keys to select multiple conditions, 
or right-click, then click 
Select All
.
Conditions you select are highlighted.
Step 4
You have the following choices:
  •
Click 
Add to Rule
.
  •
Drag and drop selected conditions into the 
Selected VLAN Tags
 list.
Conditions you selected are added.
Step 5
Optionally, click the add icon (
) above the 
Available VLAN Tags
 list to add a VLAN tag object.
In each VLAN tag object you add, you can specify any VLAN tag from 1 to 4094; use a hyphen to 
specify a range of VLAN tags. You can then select the object you added. See 
 and 
 for more information.
Step 6
Optionally, click the 
Enter a VLAN Tag
 prompt beneath the 
Selected VLAN Tags
 list, type a VLAN tag or 
range, then click 
Add
You can specify any VLAN tag from 1 to 4094. Use a hyphen to specify a range of VLAN tags.