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8-2
Catalyst 2960 and 2960-S Switch Software Configuration Guide
OL-8603-09
Chapter 8 Configuring SDM Templates
Understanding the SDM Templates
• LAN base routing—The lanbase-routing template supports IPv4 unicast routes for configuring static
routing SVIs
Note The lanbase-routing template is supported only on switches running Cisco IOS Release
12.2(55)SE or later and the LAN base image.
• QoS—The QoS template maximizes system resources for quality of service (QoS) access control
entries (ACEs).
The rows in the tables represent approximate hardware boundaries set when a template is selected. If a
section of a hardware resource is full, all processing overflow is sent to the CPU, seriously impacting
switch performance.
SDM Templates and Switch Stacks
Note Stacking is supported only on Catalyst 2960-S switches running the LAN base image.
All stack members use the same SDM template that is stored on the stack master. When a new switch is
added to a stack, as with the switch configuration and VLAN database files, the SDM configuration that
is stored on the stack master overrides the template configured on an individual switch. For more
information about stacking, see Chapter 7, “Managing Switch Stacks.”
Table 8-1 Approximate Number of Feature Resources Allowed by Each Template
Resource
Default
Catalyst 2960
Default
Catalyst 2960-S
QoS
Catalyst 2960
Only
Dual
Catalyst 2960
Only
LAN base
routing
Unicast MAC addresses 8 K 8K 8 K 8 K 4K
IPv4 IGMP groups 256 256 256 256 256
IPv4 unicast routes 0 256 0 0 4.25K
• Directly connected hosts 0 0 0 4K
• Indirect routes 0 0 0 256
IPv6 multicast groups 0 0 0 0
Directly connected IPv6 addresses 0 0 0 0
Indirect IPv6 unicast routes 0 0 0 0
IPv4 policy-based routing aces 0 0 0 0
IPv4 MAC QoS ACEs 128 384 384 0 128
IPv4 MAC security ACEs 384 384 128 256 384
IPv6 policy-based routing aces 0 0 0 0
IPv6 QoS ACEs 0 0 0 0
IPv6 security ACEs 0 128 0 0 0