Installation guide

Booting the Switch
ARX
®
6000 Hardware Installation Guide 7 - 7
differences between replacing a single switch and replacing a member of a
redundant pair is that for a single switch, a re-import is required at the
appropriate point during configuration. Since with a single switch
installation, the configuration is not saved on a backup switch, you have to
manage what you do with these key pieces of configuration data prior to the
switch’s failing.
Before You Begin: Verifying Hardware Compatibility
The replacement switch’s hardware must match that of the failed switch. At
the end of the switch replacement, you will run the failed switch’s
running-config on the replacement switch. The running-config includes slot
numbers for the modules, so the new switch must have its modules in the
same slots as its predecessor. Before you begin the replacement process,
verify that the replacement switch has all of its ASMs and NSMs in the
same positions as the failed switch.
Choosing Switch Replacement
The initial-boot script asks if this is a switch replacement. Answer yes to
invoke the questions that are required to replace the failed switch. For
example,
...
Aswitchreplacementrequiresadditionalconfigurationquestions.
6.Areyoudoingaswitchreplacement?
intheformat'yes'or'no'.(default=no)#yes
Matching the Private Subnet
The next set of questions ask for the switch’s private subnet, the private
VLAN for that subnet, and the VLAN for a private metalog subnet. If the
failed switch was in a redundant pair and/or RON network, the private
subnets of the replacement switch should match those of the switch that
failed. Each ARX
®
uses its private subnet for communication with other
ARX
®
es in the same Resilient-Overlay Network (RON) and/or the switch’s
redundant peer. All private subnets in the RON and/or pair are carried by the
same VLAN. This private VLAN, and the separate metalog VLAN, must be
reserved for ARX
®
traffic only.
The private-subnet and VLAN information appears at the top of a the failed
switch’s
show running-config output. For example, this is the top of a
running-config file from a failed switch. The private-subnet information is
highlighted in bold text:
;ARX‐6000
;Version5.02.000.12535(Feb5201018:16:05)[nbuilds]
;Databaseversion:502000.21
;Generatedrunning‐configSunFeb1401:44:062010
;SystemUUID3d17e8ce‐571e‐11dc‐9852‐ef323fbb290f
;ipprivatevlaninternal1008metalog1009subnet169.254.17.0255.255.255.0
;
terminalcharacter‐setunicode‐utf‐8
;=================================vlan==================================
config