Command-Line Interface Method - Dell PowerConnect M8024-k User Manual

Stacking dell powerconnect 10g switches

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Table Of Contents

Table of Contents

Stacking PowerConnect 10G Switches: M8024-k, 8024, 8024F

redirect, see the Dell Blade Server CMC User's Guide at

http://support.dell.com/support/edocs/software/smdrac3/cmc/index.htm.

Any SFP+ port, whether built-in to the M8024-k or on an expansion module, may be used for stacking.

For this example the built-in ports 17 and 18 are used as shown in Figure 5.

For each switch in the stack, one cable from a stacking port on a switch is connected to a stacking port

on the next switch. This process is repeated until all of the devices are connected. To complete the

ring topology for the stack, one stacking port on the last switch is connected to the remaining stacking

port on the first switch.

Connecting additional cables in parallel will increase the stacking bandwidth. It is recommended to

connect the stack in a ring topology for resiliency and also to use the same number of ports between

peers to stack. In other words, a user should not use 2 cables between switch 1 and 2, and 2 and 3,

but then only use one cable to connect 3 and 1.

Note: Up to eight ports in an M8024-k can be connected in parallel between two stacking peers.

However, the only way to use eight ports in parallel on this switch is by installing a 4-port module into

each switch, for a total of 8 ports per switch, then use all 8 to connect to a single peer to create a

stack of 2 switches. Doing so would leave zero ports to connect the outside world.

Note: When an M8024-k has an additional 4-port SFP+ module installed, it is recommended that a

maximum of 3 ports be used in parallel between stacked peers when stacking three or more switches.

This allows for the user to complete the stack ring, with a consistent number of cables between peers,

and still have ports available for the cloud.

Note: When an M8024-k does not have the additional 4-port SFP+ module installed, it is recommended

that a maximum of 3 ports are used for stacking between peers of a 2-switch stack and a maximum of 1

port is used for stacking between peers of a 3-or-more-switch stack, provided the user needs available

ports to connect to the cloud.