Juniper JUNOS OS 10.3 - SOFTWARE Manual page 1081

Table 149: Components of a Preprovisioned Virtual Chassis Interconnected Across Multiple
Wiring Closets
Switch Serial number
SWA-0 abc123
SWA-1 def456
SWA-2 ghi789
SWA-3 jkl012
SWA-4 mno345
SWA-5 pqr678
Copyright © 2010, Juniper Networks, Inc.
. Because SWA-0 is powered on prior to SWA-5, it has additional
routing-engine
prioritization properties that cause it to be elected as master of the Virtual Chassis
configuration.
After being physically interconnected with SWA-0, SWA-5 reboots and comes up as
member 5 and as the backup of the Virtual Chassis configuration.
Power on the remaining switches (SWA-6 through SWA-9) in wiring closet B. The master
can now detect that all members are present. Finally, for redundancy, configure an
additional VCP on SWA-7 through the master.
The topology for this example consists of:
Three EX4200-48P switches (SWA-0 , SWA-2, and SWA-4) in wiring closet A.
Two EX4200-48P switches (SWA-5 and SWA-9) in wiring closet B.
Two EX4200-24T switches (SWA-1 and SWA-3) in wiring closet A.
Three EX4200-24T switches (SWA-6, SWA-7, and SWA-8) in wiring closet B.
Four XFP uplink modules. Two are installed in wiring closet A and two are installed in
wiring closet B.
Table 149 on page 985 shows the Virtual Chassis configuration settings for a preprovisioned
Virtual Chassis composed of member switches in different wiring closets.
Member ID Role
0 routing-engine
1 linecard
2 linecard
3 linecard
4 linecard
5 routing-engine
Chapter 44: Virtual Chassis—Configuration Examples
Uplink Module
Ports Hardware
EX4200-48P
xe-0/1/0
and XFP uplink
module
EX4200-24T
EX4200-48P
xe-2/1/0
and XFP uplink
module
EX4200-24T
EX4200-48P
EX4200-48P
xe-0/1/0
and XFP uplink
NOTE: The
module
member ID of
SWA-5 is at
0
the time that its
uplink module
port is
configured as a
VCP.
Location
Wiring closet A
Wiring closet A
Wiring closet A
Wiring closet A
Wiring closet A
Wiring closet B
985