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286 | Content Addressable Memory
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You can re-configure the amount of space, in percentage, allocated to each sub-partition. As with the
IPv4Flow partition, you can configure the Layer 2 ACL partition from EXEC Privilege mode or
CONFIGURATION mode.
The amount of space that you can distribute to the sub-partitions is equal to the amount of CAM space that
the selected CAM profile allocates to the Layer 2 ACL partition. FTOS requires that you specify the
amount of CAM space for all sub-partitions and that the sum of all sub-partitions is 100%. FTOS displays
the following message if the total allocated space is not correct:
% Error: Sum of all regions does not total to 100%.
Boot Behavior
The profile and microcode loaded on the primary RPM determines the profile and microcode that is
required on all other chassis components and is called the “chassis profile.” A profile mismatch condition
exists if either the CAM profile or the microcode does not match.
The following points describe line
card boot behavior when the line card profile does not match the chassis profile.
• A microcode mismatch constitutes a profile mismatch.
• When the line card profile and chassis profile are of the same type (single-CAM or dual-CAM), but
their CAM profiles do not match, the line card must load a new profile and therefore takes longer to
come online.
• If you insert a single-CAM line card into a chassis with a dual-CAM profile, the system displays
Message 1. The line card boots with the default (single-CAM) profile and remains in a problem state
(Figure 11-1). The line card cannot forward traffic in a problem state.
• If you insert a dual-CAM line card into a chassis with a single-CAM profile, the line card boots with a
matching profile, but operates with a lower capability.
QoS 12
L2PT 13
FRRP 5
Message 1 EF Line Card with EG Chassis Profile Error
# Before reload:
01:09:56: %RPM0-P:CP %CHMGR-4-EG_PROFILE_WARN: If EG CAM profile is selected, non-EG cards
will be in problem state after reload
# After reload:
00:04:46: %RPM0-P:CP %CHMGR-3-PROFILE_MISMATCH: Mismatch: line card 1 has mismatch CAM
profile or microcode
Table 11-4. Layer 2 ACL CAM Sub-partition Sizes
Partition % Allocated