Alcatel-Lucent OmniSwitch 10K - Page 68

OmniSwitch OS6860/OS6900/OS10K Troubleshooting Guide Part No.032996-00 Rev.A
AOS Release 7.X and 8.X January 2015
Alcatel-Lucent Page 68 of 148
policy condition c1 source ip 1.1.1.1 destination ip 2.2.2.2
policy action a1 disposition accept
policy rule r1 condition c1 action a1
qos apply
TCAM Utilization
1 Rule is consumed on the NI
-> show qos slice
Slot/ Ranges Rules Counters Meters
Unit Type Total/Free CAM Total/Free Total/Free Total/Free
1/(0) IFP 32/32 0 128/128 128/128 128/128
1 128/127 128/127 128/128
2 128/125 128/125 128/128
3 128/127 128/127 128/128
4 256/256 256/256 256/256
5 256/256 256/256 256/256
6 256/256 256/256 256/256
7 256/255 256/255 256/256
8 256/255 256/254 256/254
9 256/255 256/256 256/256
1/(0) EFP 0/0 0 256/256 256/256 256/256
1 256/256 256/256 256/256
2 256/256 256/256 256/256
3 256/256 256/256 256/256
Policy conditions consuming multiple TCAM entries for a single policy rule
Example: Adding individual elements in a policy groups will increase the number of TCAM rules consumed
Configuration
policy network group g1 1.1.1.1 2.2.2.2 3.3.3.3
policy condition c1 source network group g1
policy action a1 disposition accept
policy rule r1 condition c1 action a1
qos apply
TCAM Utilization
This configuration consumes 1 TCAM rule for each entry in the network group on every NI, so 3 rules are
consumed in total in slice 7 with this configuration. 253 rules in slice 7 are now available.
-> show qos slice</span>
Slot/ Ranges Rules Counters Meters</span>
Unit Type Total/Free CAM Total/Free Total/Free Total/Free</span>
1/(0) IFP 32/32 0 128/128 128/128 128/128
1 128/127 128/127 128/128
2 128/125 128/125 128/128
3 128/127 128/127 128/128
4 256/256 256/256 256/256
5 256/256 256/256 256/256
6 256/256 256/256 256/256
7 256/253 256/253 256/256
8 256/255 256/254 256/254
9 256/255 256/256 256/256
1/(0) EFP 0/0 0 256/256 256/256 256/256
1 256/256 256/256 256/256
2 256/256 256/256 256/256
3 256/256 256/256 256/256
Combining different policy groups in the policy rules can consume one TCAM rule for every possible
combination of match between the groups
Configuration
policy network group g1 1.1.1.1 2.2.2.2 3.3.3.3