Linksys SGE2000 Cisco Small Business SFE/SGE2xxx Series Managed Switches Admin - Page 40

Managing Device Information, TCAM Allocation, Application, Device, Activation, Upper Limit - acl

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Managing Device Information TCAM Utilization 2 TCAM Allocation Application QoS Advanced Mode rules Access Control Rules PVE Per Port/ Per Device Port Port Port IP Subnet Port VLAN Protocol Port Based VLAN MAC Based Port VLAN DHCP Snooping IP Source Guard ARP Inspection VLAN Rate Limiting Device Port Device Both Allocation on Activation 6/device 6/device 2/port or LAG 0 0 0 2/device 0 2/device 0 Application Upper Limit TCAM rules per User ACL 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 No limit 128 255 8 TCAM entries/1 DHCP Snooping rule 1 TCAM entry/1 IP Source Guard entry 4 TCAM entries/1 ARP Inspection rule 1 global rule/1 VLAN Rate Limit. Additional rule is created for each "permit" rule on the interface. 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. Cisco Small Business SFE/SGE Managed Switches Administration Guide 31

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