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Configuring VLANs
How to Configure VLANs
Configuring the VMPS Client
You configure dynamic VLANs by using the VMPS (VLAN Membership Policy Server). The switch can be a VMPS client;
it cannot be a VMPS server.
Entering the IP Address of the VMPS
Before You Begin
You must first enter the IP address of the server to configure the switch as a client.
You must have IP connectivity to the VMPS for dynamic-access ports to work. You can test for IP connectivity by
pinging the IP address of the VMPS and verifying that you get a response.
If the VMPS is being defined for a cluster of switches, enter the address on the command switch.
7. show running-config Verifies your entries. In the display, make sure that the interfaces are
configured as trunk ports.
8. show vlan When the trunk links come up, Switch A receives the VTP information
from the other switches. Verifies that Switch A has learned the VLAN
configuration.
9. configure terminal Enters global configuration mode.
10. interface interface-id_1 Defines the interface on which to set the STP cost, and enters interface
configuration mode.
11. spanning-tree vlan 2-4 cost 30 Sets the spanning-tree path cost to 30 for VLANs 2 through 4.
12. end Returns to global configuration mode.
13. Repeat Steps 9 through 12 on the other
configured trunk interface on Switch A,
and set the spanning-tree path cost to 30
for VLANs 8, 9, and 10.
14. exit Returns to privileged EXEC mode.
15. show running-config Verifies your entries. In the display, verify that the path costs are set
correctly for both trunk interfaces.
Command Purpose
Command Purpose
1. configure terminal Enters global configuration mode.
2. vmps server ipaddress primary Enters the IP address of the switch acting as the primary VMPS server.
3. vmps server ipaddress (Optional) Enters the IP address of the switch acting as a secondary VMPS
server.
You can enter up to three secondary server addresses.
4. vmps reconfirm (Optional) Reconfirms dynamic-access port VLAN membership.
5. vmps retry count (Optional) Changes the retry count.
6. end Returns to privileged EXEC mode.
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