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Configuring a Virtual Chassis on an EX Series Switch (J-Web Procedure)

Configuring an EX3300, EX4200, EX4500, or EX4550 Virtual Chassis (J-Web Procedure)

To take advantage of the scalability features of EX3300, EX4200, EX4500, and EX4550 switches, you can configure a Virtual Chassis. EX3300 Virtual Chassis include up to six member switches. EX4200, EX4500, and EX4550 Virtual Chassis include up to ten member switches. You can interconnect the member switches using the dedicated Virtual Chassis ports (VCPs). You do not have to configure the interface for the dedicated VCPs. If you want to interconnect member switches that are located in different racks or wiring closets, interconnect them using 10G ports (SFP+ uplink module ports or SFP+ network ports for EX4500 and EX4550 switches) configured as VCPs. See Setting an Uplink Port on an EX2200, EX3300, or EX4200 Switch as a Virtual Chassis Port (CLI Procedure).

To configure a Virtual Chassis using the J-Web interface:

  1. Select Configure > Virtual Chassis.

    Note: After you make changes to the configuration in this page, you must commit the changes for them to take effect. To commit all changes to the active configuration, select Commit Options > Commit. See Using the Commit Options to Commit Configuration Changes for details about all commit options.

  2. The properties you can configure are displayed.

    The first section of the Virtual Chassis Configuration page displays the Virtual Chassis member configuration. The display includes a list of member switches, their member IDs, and the mastership priority.

    The second section displays the operational status of the Virtual Chassis configuration, member details, and the dedicated and the configured VCPs.

  3. Enter information into the page as described in Table 1.
  4. Click one:
    • Add—To add a member's configuration to the Virtual Chassis configuration, click Add.
    • Edit—To modify an existing member's configuration, click Edit.
    • Delete—To delete the configuration of a member, click Delete.
  5. On EX3300, EX4200, and EX4500 switches, to configure an uplink module port as a VCP, select the member in the Virtual Chassis members list and select Action > Set Uplink Port as VCP. Select the port from the list.

    On EX4550 switches, to configure a VCP, select the member in the Virtual Chassis members list and select Action > Set Port as VCP. Select the port from the list.

  6. On EX3300, EX4200, and EX4500, switches to remove the VCP configuration from an uplink module port of a member, select the member in the Virtual Chassis members list and select Action > Delete Uplink Port as VCP.

    On EX4550 switches, to remove the VCP configuration from the port of a member, select the member in the Virtual Chassis members list and select Action > Delete Port as VCP.

Table 1: Virtual Chassis Configuration Fields

Field

Function

Your Action

Member Details

Member ID

Specifies the identifier for the member switch.

Select an identifier (from 0 through 9) from the list.

Priority

Specifies the mastership priority to be assigned to the member.

Select a number from 1 through 255, (255 being the highest priority and 128, the default).

Disable Management VLAN

If you want to reserve an individual member's management Ethernet port, you can remove that port from being part of the virtual management Ethernet (VME) interface.

Click to disable the management VLAN on the port.

Refresh

Refreshes the operational status of Virtual Chassis members.

Click to refresh the operational status.

Enabling Virtual Chassis on an EX8200 Switch (J-Web Procedure)

Using the J-Web interface you can enable the Virtual Chassis mode on an EX8200 switch. To enable the Virtual Chassis mode:

  1. Select Configure > Virtual Chassis. The Virtual Chassis screen displays the serial number of the member switch. You will need the serial number when you are preprovisioning the Virtual Chassis.
  2. Click Enable Virtual Chassis.

Configuring an EX8200 Virtual Chassis (J-Web Procedure)

Using the J-Web interface you can configure an EX8200 Virtual Chassis to include up to four EX8200 switches and one or two XRE200 External Routing Engines. You interconnect the member switches by connecting the management ports to the external Routing Engines, whose ports automatically function as Virtual Chassis ports (VCPs). A VCP is any port whose function is to send and receive Virtual Chassis Control Protocol (VCCP) traffic to create, monitor, and maintain the Virtual Chassis. VCPs also carry data traffic through the Virtual Chassis.

The EX8200 Virtual Chassis wizard helps to preprovision Virtual Chassis members and to configure Virtual Chassis ports.

To configure an EX8200 Virtual Chassis, select Configure > Virtual Chassis. The Virtual Chassis wizard is displayed. You can:

Preprovision the Virtual Chassis

If the Virtual Chassis has not been preprovisioned:

  1. Click Preprovision Virtual Chassis. The prerequisites screen is displayed.
  2. Ensure that the following prerequisites are met:
    • The same version of Junos OS is running on all XRE200 Routing Engines and switches.
    • The Virtual Chassis mode has been enabled on each EX8200 switch.
    • The XRE200 Routing Engines and switches have been cabled and connected.

    Click Next. The Configure Virtual Chassis Members screen is displayed.

Configure Virtual Chassis Members

When you select Configure Virtual Chassis Members in the wizard, you can add or modify an existing Virtual Chassis member configuration, or delete the Virtual Chassis configuration for an existing member.

To add a Virtual Chassis member, click Add. For each member, specify

  • Member ID—The identifier for the member switch or the XRE200 External Routing Engine.
  • Serial Number—The serial number of the member switch or the XRE200 External Routing Engine.
  • Management VLAN—Click to enable or disable the management VLAN on the port.
  • Location—A description of the location of the EX8200 member switch or external Routing Engine.
  • Role—The role to be performed by each EX8200 member switch or each XRE200 External Routing Engine. EX8200 switches must be in the linecard role and XRE200 External Routing Engines must be in the routing engine role.

To edit an existing member configuration, click Edit.

Note: If you are editing an existing member configuration, you can modify only the Management VLAN option and the location of the Virtual Chassis member.

Click Remove to delete the Virtual Chassis configuration for an existing member.

Configure Virtual Chassis Ports

You can configure Virtual Chassis ports that are needed between the switches for the data traffic when you select the Configure Virtual Chassis Ports option on the wizard.

Note: All XRE200 ports, vcp-0/0 port and any port on a VCCI module, is automatically a VCP. You need not configure these ports as VCPs.

  1. Select the member from the list. The switch model, serial number, available ports, and configured ports are displayed. Select All to view details of available ports and configured ports of all the members.

    Note: Only members with active EX8200-8XS line cards are listed. The J-Web interface does not support EX8200-2X4F40TE/PE line cards.

  2. To convert network ports to Virtual Chassis ports or to convert Virtual Chassis ports to network ports, click the appropriate arrow.
  3. Click Next. The Summary page displays the configuration changes. You can edit the configuration.

Published: 2012-12-07