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Configuring VMPS and Dynamic Port VLAN Membership
Note
For an example ASCII text VMPS database configuration file, see the
File Example" section on page
Follow these guidelines for creating the VMPS database file:
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To create a VMPS database, perform this task:
Task
Step 1
Determine the MAC addresses of the hosts you
want to be assigned to VLANs dynamically.
Step 2
Create an ASCII text file on your workstation or
PC that contains the MAC address-to-VLAN
mappings.
Step 3
Move the ASCII text file to a TFTP server so it
can be downloaded to the switch.
Configuring VMPS
When you enable VMPS, the switch downloads the VMPS database from the TFTP or rcp server and
begins accepting VMPS requests.
Software Configuration Guide—Catalyst 4000 Family, Catalyst 2948G, Catalyst 2980G, Releases 6.3 and 6.4
12-4
Begin the configuration file with the word "VMPS," to prevent other types of configuration files
from incorrectly being read by the VMPS server.
Define the VMPS domain—The VMPS domain should correspond to the VTP domain name
configured on the switch.
Define the security mode—VMPS can operate in open or secure mode.
(Optional) Define a fallback VLAN—The fallback VLAN is assigned if the MAC addresses of the
connected host is not defined in the database.
Define the MAC address-to-VLAN name mappings—Enter the MAC address of each host and the
VLAN to which each should belong. Use the --NONE-- keyword as the VLAN name to deny the
specified host network connectivity. A port is identified by the IP address of the switch and the
module/port number of the port in the form mod_num/port_num.
Define port groups—A port group is a logical group of ports. You can apply VMPS policies to
individual ports or to port groups. The keyword all-ports specifies all the ports in the specified
switch.
Define VLAN groups—A VLAN group defines a logical group of VLANs. These logical groups
define the VLAN port policies.
Define VLAN port policies—VLAN port policies define the ports associated with a restricted
VLAN. You can configure a restricted VLAN by defining the set of dynamic ports on which it can
exist.
Chapter 12
Configuring Dynamic Port VLAN Membership with VMPS
12-7.
Command
show cam
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"VMPS Database Configuration
78-12647-02
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