Tcam Allocation - Cisco SGE2000 - - Gigabit Switch Administration Manual

Managing Device Information
TCAM Utilization
Cisco Small Business SFE/SGE Managed Switches Administration Guide

TCAM Allocation

Application Per Allocation
Port/
Per Activation
Device
QoS Port 6/device
Advanced
Mode rules
Access Port 6/device
Control
Rules
PVE Port 2/port or
LAG
IP Subnet Port 0
VLAN
Protocol Port 0
Based VLAN
MAC Based Port 0
VLAN
DHCP Device 2/device
Snooping
IP Source Port 0
Guard
ARP Device 2/device
Inspection
VLAN Rate Both 0
Limiting
Application TCAM rules per User ACL
on Upper Limit
No limit 1 or 2 TCAM entries per each rule.
No limit 1 or 2 TCAM entries per each rule.
--- ---
255 2 or 4
No limit 1 or 2
432 1 or 2
No limit 8 TCAM entries/1 DHCP Snooping rule
No limit 1 TCAM entry/1 IP Source Guard entry
128 4 TCAM entries/1 ARP Inspection rule
255 1 global rule/1 VLAN Rate Limit.
Additional rule is created for each
"permit" rule on the interface.
2
Comments
Feature is activated
by default.
Feature is activated
by default.
Feature is activated
by default.
Allocation done only
during initialization.
Rules are duplicated
for both IP and MAC
based VLANs.
Rules are duplicated
for both IP and MAC
based VLANs.
Rules are duplicated
for both IP and MAC
based VLANs.
31