Juniper JUNOS OS 10.3 - SOFTWARE Manual page 1140

Complete Software Guide for Junos
Remove a Member Switch and Make Its Member ID Available for Reassignment to a Different
Switch
Related
Documentation
Verifying That Graceful Routing Engine Switchover Is Working in the Virtual Chassis
Configuration
Purpose
Action
1044
®
OS for EX Series Ethernet Switches, Release 10.3
Note the member ID displayed on the front panel.
4.
Issue the
request virtual-chassis renumber
5.
to change the member switch's current member ID to the member ID that belonged
to the member switch that was removed from the Virtual Chassis configuration).
When you remove a member switch from the Virtual Chassis configuration, the master
keeps its member ID on reserve. To make that member switch's member ID available for
reassignment, issue the request virtual-chassis recycle command from the Virtual Chassis
master.
NOTE: When you add or delete members in a Virtual Chassis configuration,
internal routing changes might cause temporary traffic loss for a few seconds.
Monitoring Virtual Chassis Configuration Status and Statistics on page 1041
Adding a New Switch to an Existing Virtual Chassis Configuration (CLI Procedure) on
page 1016
Verify that graceful Routing Engine switchover is working in the Virtual Chassis
configuration.
On the master switch, verify the member ID of the backup Routing Engine:
{master:0}
show virtual-chassis status
user@switch>
Virtual Chassis ID: 5efa.4b7a.aae6
Member ID Status Serial No
0 (FPC 0) Prsnt BM0208105281 ex4200-24t
1 (FPC 1) Prsnt BP0208192350 ex4200-48t
Member ID for next new member: 2 (FPC 2)
Connect to the backup Routing Engine:
{master:0}
request session member 1
user@switch>
{backup:1}
user@switch>
Verify that the backup Routing Engine is ready for switchover on member ID 1:
{backup:1}
command from the Virtual Chassis master
Mastership
Model priority Role
255 Master*
255 Backup
Copyright © 2010, Juniper Networks, Inc.
Neighbor List
ID Interface
1 vcp-0
0 vcp-0