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Adding a New Switch to an Existing Preprovisioned Virtual Chassis Configuration Using
Autoprovisioning
Before you begin, be sure you have:
•
Installed the uplink modules needed for the Virtual Chassis configuration.
•
Mounted the new switch in a rack.
•
Ensured that the preprovisioned Virtual Chassis configuration has an active master.
Formoreinformation,seeExample:ConfiguringaVirtualChassisUsingaPreprovisioned
Configuration File.
•
On the master, configured the Link Level Discovery Protocol (LLDP) on the uplink
module ports that will be used as VCPs. LLDP is configured by default but might have
beendisabled.ToconfigureLLDP,seeConfiguringLLDP(CLIProcedure)orConfiguring
LLDP (J-Web Procedure).
•
Ensuredthatthe new member switch hasthe factory-defaultconfiguration.If the new
member switch has been previously configured, revert its configuration to the factory
defaults. See Reverting to the Default Factory Configuration for the EX Series Switch.
•
Made a noteof the serial number (on the back of the switch). You will need toedit the
Virtual Chassis configuration to include the serial number of the new member switch.
•
Edited the existing Virtual Chassis preprovisioned configuration to include the serial
numberofthenewmemberswitch.Youcanspecifytheroleofthenewmemberswitch
whenyouadditsserialnumbertotheVirtualChassisconfigurationfile.Theparameters
specifiedinthemasterVirtualChassisconfigurationfileareappliedtothenewmember
switch after it has been interconnected through its uplink VCP to an existing member
switch.
•
Prepared an existing member switch to interconnect with the new switch through an
uplink module port by configuring an uplink module port as a VCP on the existing
member switch.
•
Ensured that the operational modes of the uplink modules on the existing member
switch and the new member switch match.
•
Confirmed that the new member switch is powered off.
•
Interconnected the existing switch with the new switch using the appropriate cable.
If these conditions are not met, autoprovisioning will not work and you will need to
manually configure uplink module ports on the switch to be added to the configuration
tobe VCPs. For more information, seeSettingan Uplink Module Port asa Virtual Chassis
Port (CLI Procedure).
To add a switch to an existing preprovisioned Virtual Chassis configuration using the
autoprovisioning feature:
1. Power on the new member switch.
2. Confirm that the new member switch is now included in the Virtual Chassis
configurationbycheckingthefront-paneldisplayforthememberID.Itshoulddisplay
Copyright ©2010,Juniper Networks,Inc.112
CompleteHardwareGuide forEX3200 andEX4200 EthernetSwitches