Users Guide

Stacking in PMUX Mode
PMUX stacking allows the stacking of two or more IOA units. This allows grouping of multiple units for high availability. IOA supports
a maximum of six stacking units.
NOTE: Prior to conguring the stack-group, ensure the stacking ports are connected and in 40G native mode.
1. Congure stack groups on all stack units.
Dell#
Dell#configure
Dell(conf)#stack-unit 0 stack-group 0
Dell(conf)#00:37:46: %STKUNIT0-M:CP %IFMGR-6-STACK_PORTS_ADDED: Ports Fo 0/33 have been
configured as stacking ports. Please save and reset stack-unit 0 for config to take
effect
Dell(conf)#stack-unit 0 stack-group 1
Dell(conf)#00:37:57: %STKUNIT0-M:CP %IFMGR-6-STACK_PORTS_ADDED: Ports Fo 0/37 have been
configured as stacking ports. Please save and reset stack-unit 0 for config to take
effect
Dell(conf)#end
Dell#00:38:16: %STKUNIT0-M:CP %SYS-5-CONFIG_I: Configured from console
2. Reload the stack units.
Dell#reload
Proceed with reload [confirm yes/no]: yes
3. Show the units stacking status.
Dell#show system brief
Stack MAC : 00:01:e8:e1:e1:c3
Reload-Type : normal-reload [Next boot : normal-reload]
-- Stack Info --
Unit UnitType Status ReqTyp CurTyp
Version Ports
---------------------------------------------------------
0 Management online I/O-Aggregator I/O-
Aggregator <<release version>> 56
1 Standby online I/O-Aggregator I/O-
Aggregator <<release version>> 56
2 Member not present
3 Member not present
4 Member not present
5 Member not present
Dell#
Conguring a Switch Stack
To congure and bring up a switch stack, follow these steps:
1. Connect the 40GbE ports on the base module of two Aggregators using 40G direct attach or QSFP bre cables.
2. Congure each Aggregator to operate in stacking mode.
3. Reload each Aggregator, one after the other in quick succession.
Stacking Prerequisites
Before you cable and congure a stack of MXL 10/40GbE switches, review the following prerequisites.
• All Aggregators in the stack must be powered up with the initial or startup conguration before you attach the cables.
• All stacked Aggregators must run the same Dell Networking OS version. The minimum Dell networking OS version required is
8.3.17.0. To check the version that a switch is running, use the show version command. To download a Dell Networking OS
version, go to
http://support.dell.com.
• Stacking is supported only with other Aggregators. A maximum of six Aggregators are supported in a single stack. You cannot
stack the Aggregator with MXL 10/40GbE Switches or another type of switch.
Stacking
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