62 Rockwell Automation Publication 1783-UM003G-EN-P - December 2012
Chapter 3 Manage the Switch via the Device Manager Web Interface
The following tables show switch network settings displayed on the Express
Setup dialog box.
Switch Network Settings
Setting Description
Management Interface
(VLAN ID)
The name and ID of the management VLAN through which the switch will be managed. Select an existing VLAN to be the
management VLAN.
The default ID is 1. The default name for the management VLAN is default. The number can be from 1…001.
Make sure that the switch and your network management station are in the same VLAN. Otherwise, you lose management
connectivity to the switch.
The management VLAN is the broadcast domain through which management traffic is sent between specific users or
devices. It provides broadcast control and security for management traffic that should be limited to a specific group of
users (such as the administrators of your network). It also ensures secure administrative access to all devices in the
network at all times.
Refer to
VLANs on page 29 for more information about management VLANs and about VLANs in general.
IP Assignment Mode The IP Assignment mode determines if the switch IP information is manually assigned (static) or is automatically assigned
by a Dynamic Host Configuration Protocol (DHCP) server. The default is Static.
We recommend that you select Static and manually assign the IP address for the switch. You can then use the same IP
address whenever you want to access the Device Manager Web interface.
If you select DHCP, the DHCP server automatically assigns an IP address, subnet mask, and default gateway to the switch.
As long as the switch is not restarted, the switch continues to use the assigned IP information, and you are able to use the
same IP address to access the Device Manager Web interface.
If you manually assign the switch IP address and your network uses a DHCP server, make sure that the IP address that you
give to the switch is not within the range of addresses that the DHCP server will automatically assign to other devices.
This prevents IP-address conflicts between the switch and another device.
IP Address The IP address is a unique identifier for the switch in a network. The format is a 32-bit numeric address written as four
numbers separated by periods. Each number can be from 0…255.
This field is enabled only if the IP Assignment mode is Static.
Make sure that the IP address that you assign to the switch is not being used by another device in your network. The IP
address and the default gateway cannot be the same. You cannot assign the switch with an IP address in the 10.0.0.0
network.
Subnet Mask List The subnet mask is the network address that identifies the subnetwork (subnet) to which the switch belongs. Subnets are
used to segment the devices in a network into smaller groups. The default is 255.255.255.0.
This field is enabled only if the IP Assignment mode is Static.
Default Gateway The IP address for the default gateway. A gateway is a router or a dedicated network device that enables the switch to
communicate with devices in other networks or subnetworks. The default gateway IP address should be part of the same
subnet as the switch IP address. The switch IP address and the default gateway IP address cannot be the same.
If all of your devices are in the same network and a default gateway is not used, you do not need to enter an IP address in
this field. This field is enabled only if the IP Assignment mode is Static.
You must specify a default gateway if your network management station and the switch are in different networks or
subnetworks. Otherwise, the switch and your network management station cannot communicate.
Password The password for the switch follows these guidelines:
• Can have up to 63 alphanumeric characters
• Can start with a number
• Is case sensitive
• Can have embedded spaces
• Cannot be a single digit
• Cannot contain a ? or a tab
• Does not allow spaces at the beginning or the end
This password is also used as the Control and Information Protocol (CIP) security password.
You must provide a password to the switch to secure the access to the Device Manager Web interface.
Confirm Password Enter the switch password again.
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