Specifications

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Cisco Catalyst Blade Switch 3120 for HP Command Reference
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Chapter 2 Cisco Catalyst Blade Switch 3120 for HP Cisco IOS Commands
sdm prefer
Table 2-16 lists the approximate number of each resource supported in each of the dual IPv4-and IPv6
templates for a desktop switch.
Examples This example shows how to configure the access template on a switch:
Switch(config)# sdm prefer access
Switch(config)# exit
Switch# reload
This example shows how to configure the routing template on a switch:
Switch(config)# sdm prefer routing
Switch(config)# exit
Switch# reload
This example shows how to configure the dual IPv4-and-IPv6 default template on a switch:
Switch(config)# sdm prefer dual-ipv4-and-ipv6 default
Switch(config)# exit
Switch# reload
This example shows how to change a switch template to the default template.
Switch(config)# no sdm prefer
Switch(config)# exit
Switch# reload
You can verify your settings by entering the show sdm prefer privileged EXEC command.
Related Commands
Ta b l e 2-16 Approximate Feature Resources Allowed by Dual IPv4-IPv6 Templates
Resource Default Routing VLAN
Unicast MAC addresses 2 K 1.5 K 8 K
IPv4 IGMP groups and multicast routes 1 K 1 K 1 K for IGMP groups
0 for multicast routes
Total IPv4 unicast routes: 3 K 2.75 K 0
• Directly connected IPv4 hosts 2 K 1.5 K 0
• Indirect IPv4 routes 1 K 1.25 K 0
IPv6 multicast groups 1 K 1 K 1 K
Directly connected IPv6 addresses 2 K 1.5 K 0
Indirect IPv6 unicast routes 1 K 1.25 K 0
IPv4 policy-based routing ACEs 0 0.25 K 0
IPv4 or MAC QoS ACEs (total) 0.5 K 0.5 K 0.5 K
IPv4 or MAC security ACEs (total) 1 K 0.5 K 1 K
IPv6 security ACEs 1 K 1 K 0.5 K
Command Description
show sdm prefer Displays the current SDM template in use or displays the templates that can
be used, with approximate resource allocation per feature.