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Step-by-Step
Procedure
Verification
Purpose
Action
To ensure that the existing member switches retain their current roles and to add another
member switch in a linecard role:
Configure the mastership priority of SWA-0 (member 0) to be the highest possible
1.
value, thereby ensuring that it functions as the master of the expanded Virtual
Chassis configuration.
[edit virtual-chassis]
user@SWA-0# set member 0 mastership-priority 255
Configure the mastership priority of SWA-1 (member 1) to be the highest possible
2.
value. This setting is recommended for high availability and smooth transition of
mastership in case the original master becomes unavailable.
[edit virtual-chassis]
user@SWA-1# set member 1 mastership-priority 255
Interconnect the unpowered SWA-2 with SWA-0 and SWA-1 using the dedicated
3.
VCPs on the rear panel. See Virtual Chassis Cabling Configuration Examples for
J-EX4200 Switches for additional information.
Power on SWA-2.
4.
You do not need to configure or run EZ Setup on SWA-2. The identification
parameters that were set up for the master apply implicitly to all members of the
Virtual Chassis configuration. SWA-2 functions in a linecard role, since SWA-0 and
SWA-1 have been configured to the highest mastership priority values.
To verify that the new switch has been added as a linecard and that its VCPs are
operational, perform these tasks:
Verifying That the New Switch Has Been Added as a Linecard on page 725
Verifying That the VCPs Are Operational on page 726
Verifying That the New Switch Has Been Added as a Linecard
Verify that SWA-2 has been added in a linecard role to the Virtual Chassis configuration.
Use the
show virtual-chassis status
member IDs, mastership priority values, and assigned roles.
user@SWA-0> show virtual-chassis status
Virtual Chassis ID: 0000.e255.00e0
Member ID
Status
Serial No
0 (FPC 0)
Prsnt
abc123
1 (FPC 1)
Prsnt
def456
Chapter 44: Virtual Chassis—Configuration Examples
command to list the member switches with their
Mastership
Model
Priority
Role
ex4200-48t
255
Master*
ex4200-24t
255
Backup
Neighbor List
ID Interface
1 vcp-0
2 vcp-1
2 vcp-0
0 vcp-1
725
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