Hi lcroce,
TCAM dynamically allocates the minimum number of memory slices required to store the filters for a particular filter type, as needed. This documentation explains this for VLAN filters:
https://www.juniper.net/documentation/en_US/junos13.1/topics/concept/filter-scalability-vfp-tcam-understanding.html#jd0e41
Let me know if that answers your query.
Also, some jargon you'll come across while checking filters for TCAM usage:
• Port-based ACL (PACL): Ingress and egress
• VLAN-based ACL (VACL): Ingress and egress
• Router-based ACL (RACL): Ingress and egress
• ACL entries (ACE)
• Ingress filter processor (IFP)
• Egress filter processor (EFP)
• VLAN filter processor (VFP)
Hope this helps.
Regards,
-r.
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