8-3
Catalyst 2960 and 2960-S Switches Software Configuration Guide, Release 15.0(1)SE
OL-26520-01
Chapter 8 Configuring SDM Templates
Understanding the SDM Templates
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.”
You can use the show switch privileged EXEC command to see if any stack members are in SDM
mismatch mode. This example shows the output from the show switch privileged EXEC command when
an SDM mismatch exists:
Current
Switch# Role Mac Address Priority State
IPv4 MAC security ACEs .375 K .125 K .375 K .375 K
IPv6 policy-based routing aces 0 0 0 0
IPv6 QoS ACEs 0 0 20 0
IPv6 security ACEs 0 0 77 0
Table 8-3 Approximate Feature Resources Allowed on 2960-C Giogabit Ethernet Switch
Te m p l a t e s
Resource Default
Unicast MAC addresses 8K
IPv4 IGMP groups .25 K
IPv6 multicast groups .25 K
Directly connected IPv6 addresses
Indirect IPv6 unicast routes
IPv4 policy-based routing aces
IPv4 MAC QoS ACEs .125 K
IPv4 MAC security ACEs .375 K
IPv6 policy-based routing aces 0
IPv6 QoS ACEs 60
IPv6 security ACEs .125
Table 8-2 Approximate Feature Resources Allowed on Catalyst 2960-C Fast Ethernet Switch
Te m p l a t e s
Resource Default QoS Dual
LAN base
routing
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