30 CHAPTER 3: INSTALLING AND SETTING UP THE LAYER 3 MODULE
4 Slide the module into the slot without touching the top or bottom of the
circuit board. Make sure that the module is pushed fully into the unit.
5 Use the thumb screws attached to the module to fix it firmly into place.
6 Power up the Switch as described in “Powering Up the Switch”.
If you have taken the Layer 3 Module from another Switch, follow the
procedure in “Resetting the Module to the Factory Default Values” in
Appendix B to return to the factory default values.
7 Follow the post-installation checks, as described in “Post-installation
Checks” on page 35.
8 Follow the procedure in “Essential Configuration” on page 30 to make
sure that the Layer 3 Module is ready for you to manage.
Powering Up the
Switch
The Switch does not have an On/Off button, so you must power it up by
connecting it to the main power supply using a power cable.
It can take up to 90 seconds before the Layer 3 Module is accessible.
You can find further information on connecting a power supply and
safety information in your Switch Management Guide.
Power On Self Test Each time the Switch and Layer 3 Module power up, they run a Power On
Self Test (POST).
The POST for the Layer 3 Module consists of basic checks on the
hardware. These checks take approximately five seconds and run
simultaneously with the self-tests for the Switch.
Essential
Configuration
When first installed, the Layer 3 Module has no effect on the Switch into
which it is plugged. The module is notionally "present" on all 16 Virtual
Local Area Networks (VLANs) supported by the Switch. However, it does
not have any IP addresses, and does not route between VLANs.
You must allocate an IP address to the Layer 3 Module before you can
manage it. The IP address that you assign to the Layer 3 Module must be
on the same IP network and subnet as the Switch.
You must use the Switch command line or Web management interface to
set the first IP address for the Layer 3 Module. This is because the Layer 3
Module does not support a local management port. The module uses this
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