Reference Guide
270 | Content Addressable Memory (CAM)
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Use this command to determine whether sufficient ACL CAM space is available to enable a service-policy.
Create a Class Map with all required ACL rules, then execute the
test cam-usage command in Privilege
mode to verify the actual CAM space required. The following example gives a sample of the output shown
when executing the command. The status column indicates whether or not the policy can be enabled.
FTOS#test cam-usage service-policy input TestPolicy linecard all
Linecard | Portpipe | CAM Partition | Available CAM | Estimated CAM per Port | Status
------------------------------------------------------------------------------------------
2 | 1 | IPv4Flow | 232 | 0 | Allowed
2 | 1 | IPv6Flow | 0 | 0 | Allowed
4 | 0 | IPv4Flow | 232 | 0 | Allowed
4 | 0 | IPv6Flow | 0 | 0 | Allowed
FTOS#
View CAM Profiles
View the current CAM profile for the chassis and each component using the command show cam-profile, as
shown in the following example. This command also shows the profile that will be loaded upon the next
chassis or component reload.
FTOS#show cam-profile
-- Chassis CAM Profile --
CamSize : 18-Meg
: Current Settings : Next Boot
Profile Name : Default : Default
L2FIB : 32K entries : 32K entries
L2ACL : 1K entries : 1K entries
IPv4FIB : 256K entries : 256K entries
IPv4ACL : 12K entries : 12K entries
IPv4Flow : 24K entries : 24K entries
EgL2ACL : 1K entries : 1K entries
EgIPv4ACL : 1K entries : 1K entries
Reserved : 8K entries : 8K entries
FIB : 0 entries : 0 entries
ACL : 0 entries : 0 entries
Flow : 0 entries : 0 entries
EgACL : 0 entries : 0 entries
MicroCode Name : Default : Default
--More--
View a brief output of the command show cam-profile using the summary option.
The command
show running-config cam-profile shows the current profile and microcode as shown in the
following example.
Note: If you select the CAM profile from CONFIGURATION mode, the output of this command does not
reflect any changes until you save the running-configuration and reload the chassis.