CHAPTER
7-1
Catalyst 3560 Switch Software Configuration Guide
78-16156-01
7
Configuring SDM Templates
This chapter describes how to configure the Switch Database Management (SDM) templates on the
Catalyst 3560 switch.
Note For complete syntax and usage information for the commands used in this chapter, refer to the command
reference for this release.
This chapter consists of these sections:
• Understanding the SDM Templates, page 7-1
• Configuring the Switch SDM Template, page 7-2
• Displaying the SDM Templates, page 7-4
Understanding the SDM Templates
You can use SDM templates to configure system resources in the switch to optimize support for specific
features, depending on how the switch is used in the network. You can select a template to provide
maximum system usage for some functions or to use the default template to balance resources.
The templates prioritize system resources to optimize support for these types of features:
• Routing—The routing template maximizes system resources for unicast routing, typically required
for a router or aggregator in the center of a network.
• VLANs—The VLAN template disables routing and supports the maximum number of unicast MAC
addresses. It would typically be selected for a Layer 2 switch.
• Default—The default template gives balance to all functions.
Table 7-1 lists the approximate numbers of each resource supported in each of the three templates for a
desktop switch.
Table 7-1 Approximate Number of Feature Resources Allowed by Each Template
Resource Default Routing VLAN
Unicast MAC addresses 6 K 3 K 12 K
IGMP groups and multicast routes 1 K 1 K 1 K
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