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Dell S4820T User Manual

Dell S4820T
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11
Content Addressable Memory (CAM)
CAM is a type of memory that stores information in the form of a lookup table. On Dell Networking
systems, CAM stores Layer 2 (L2) and Layer 3 (L3) forwarding information, access-lists (ACLs), flows, and
routing policies.
CAM Allocation
CAM Allocation for Ingress
To allocate the space for regions such has L2 ingress ACL, IPV4 ingress ACL, IPV6 ingress ACL, IPV4 QoS,
L2 QoS, PBR, VRF ACL, and so forth, use the cam-acl command in CONFIGURATION mode.
The CAM space is allotted in field processor (FP) blocks. The total space allocated must equal 13 FP
blocks.
The following table lists the default CAM allocation settings.
NOTE: There are 16 FP blocks, but the system flow requires three blocks that cannot be reallocated.
Table 12. Default Cam Allocation Settings
CAM Allocation Setting
L2Acl 6
IPV4Acl 4
Ipv6Acl 0
Ipv4Qos 2
L2Qos 1
L2PT 0
IpMacAcl 0
VmanQos 0
VmanDualQos 0
EcfmAcl 0
nlbclusteracl 0
FcoeAcl 0
iscsiOptAcl 0
ipv4pbr 0
Content Addressable Memory (CAM)
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Dell S4820T Specifications

General IconGeneral
BrandDell
ModelS4820T
CategorySwitch
LanguageEnglish

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