Alcatel OmniStack LS 6248 User Manual page 92

3
Configuring the Switch
Note:
Some applications allocate rules upon their initiation. Additionally, applications that
initialize during system boot use some of their rules during the startup process.
Application Per
Port/
Per
Device
QoS Port
Advanced
Mode rules
Access Port
Control
Rules
PVE Port
IP Subnet Port
VLAN
Protocol Port
Based VLAN
MAC Based Port
VLAN
DHCP Device
Snooping
IP Source Port
Guard
ARP Device
Inspection
VLAN Rate Both
Limiting
Command Attributes
• Stack Unit – Indicates the stacking member for which TCAM resource usage is
displayed.
• TCAM Utilization – Percentage of the available TCAM resources which are used.
For example, if more ACLs and policy maps are defined, the system will use more
TCAM resources.
68
Table 3-3. TCAM Allocation
Alloca Application
tion Upper Limit
on
Activa
tion
6/ No limit
device
6/ No limit
device
2/port ---
or
LAG
0 255
0 No limit
0 432
2/ No limit
device
0 No limit
2/ 128
device
0 255
TCAM rules per
User ACL
1 or 2 TCAM entries
per each rule.
1 or 2 TCAM entries
per each rule.
---
2 or 4
1 or 2
1 or 2
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.