Troubleshooting Dynamic-Access Port Vlan Membership - Cisco Catalyst 2960 series Configuration Manual

Troubleshooting Dynamic-Access Port VLAN Membership

DETAILED STEPS
Command or Action
Step 1
configure terminal
Example:
Switch# configure terminal
Step 2 vmps retry count
Example:
Switch(config)# vmps retry 5
Step 3 end
Example:
Switch(config)# end
Step 4
show vmps
Example:
Switch# show vmps
Step 5
copy running-config startup-config
Example:
Switch# copy running-config startup-config
Troubleshooting Dynamic-Access Port VLAN Membership
Problem
•
•
Solution
followed by the no shutdown interface configuration command.
Catalyst 2960-X Switch VLAN Configuration Guide, Cisco IOS Release 15.0(2)EX
90
The VMPS shuts down a dynamic-access port under these conditions:
The VMPS is in secure mode, and it does not allow the host to connect to the port. The VMPS
Problem
shuts down the port to prevent the host from connecting to the network.
More than 20 active hosts reside on a dynamic-access port.
Problem
To reenable a disabled dynamic-access port, enter the shutdown interface configuration command
Purpose
Enters the global configuration mode.
Changes the retry count. The retry range is 1 to 10; the
default is 3.
Returns to privileged EXEC mode.
Verifies your entry in the Server Retry Count field of
the display.
(Optional) Saves your entries in the configuration file.
Configuring VMPS
OL-29065