Default Vmps Client Configuration - Cisco Catalyst 4500 Series Configuration Manual
Release ios xe 3.3.0sg and ios 15.1(1)sg
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Also See for Catalyst 4500 Series:
- Software configuration manual (2086 pages) ,
- Administration manual (1814 pages) ,
- Configuration manual (1254 pages)
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VLAN Membership Policy Server
Multiple hosts (MAC addresses) can be active on a dynamic port if all are in the same VLAN. If the link
goes down on a dynamic port, the port returns to the unassigned state and does not belong to a VLAN.
Any hosts that come online through the port are checked again with the VMPS before the port is assigned
to a VLAN.
For this operation to work, the client device must be able to reach the VMPS. A VMPS client sends VQP
requests as UDP packets, trying a certain number of times before giving up. For details on how to set the
retry interval, refer to section "Configuring the Retry Interval" on page 27.
The VMPS client also periodically reconfirms the VLAN membership. For details on how to set the
reconfirm frequency, refer to section "Administering and Monitoring the VMPS" on page 28.
A maximum of 50 hosts are supported on a given port at any given time. Once this maximum is exceeded,
the port is shut down, irrespective of the operating mode of the VMPS server.
The VMPS shuts down a dynamic port if more than 50 hosts are active on that port.
Note
Default VMPS Client Configuration
Table 15-4
Table 15-4
Feature
VMPS domain server
VMPS reconfirm interval
VMPS server retry count
Dynamic ports
Configuring a Switch as a VMPS Client
This section contains the following topics:
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•
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Configuring the IP Address of the VMPS Server
To configure a Catalyst 4500 series switch as a VMPS client, you must enter the IP address or hostname
of the switch acting as the VMPS.
Software Configuration Guide—Release IOS XE 3.3.0SG and IOS 15.1(1)SG
15-24
shows the default VMPS and dynamic port configuration on client switches.
Default VMPS Client and Dynamic Port Configuration
Configuring the IP Address of the VMPS Server, page 15-24
Configuring Dynamic Access Ports on a VMPS Client, page 15-25
Reconfirming VLAN Memberships, page 15-26
Configuring Reconfirmation Interval, page 15-26
Reconfirming VLAN Memberships, page 15-26
Chapter 15
Default Configuration
None
60 minutes
3
None configured
Configuring VLANs, VTP, and VMPS
OL-25340-01
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