Cisco Catalyst 3550

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Catalyst 3550 Multilayer Switch Command Reference
OL-8566-01
Chapter 2 Catalyst 3550 Switch Cisco IOS Commands
sdm prefer
Examples This example shows how to configure the routing template on the switch:
Switch(config)# sdm prefer routing
Switch(config)# exit
Switch# reload
This example shows how to configure the routing template with a 144-bit routing table allocation:
Switch(config)# sdm prefer routing extended-match
Switch(config)# exit
Switch# reload
This example shows how to remove the routing template and to use the default template with the
standard 72-bit routing table allocation:
Switch(config)# no sdm prefer routing
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 2-13 Approximate Number of Feature Resources Allowed by Each Template for Fast Ethernet Switches
Resource Default Template Access Template Routing Template VLAN Template
Unicast MAC addresses 5 K 1 K 5 K 8 K
IGMP groups (managed by Layer 2
multicast features such as MVR and
IGMP snooping)
1 K 2 K 1 K 1 K
QoS ACEs 1 K 1 K 512 1 K
Security ACEs 1 K 2 K 512 1 K
Unicast routes 8 K or 4K
1
1. When the extended-match keyword is used with the indicated template. This keyword affects only the number of unicast routes allowed.
2 K or 1K
1
16 K or 8K
1
0
Multicast routes 1 K 2 K 1 K 0
Routed interfaces (routed ports and SVIs) 8 8 8 8
Layer 2 VLANs 1 K 1 K 1 K 1 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.