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Cisco ASR 901 Series Aggregation Services Router Software Configuration Guide
OL-23826-09
Chapter 24 Configuring QoS
Troubleshooting Tips
Use the no form of the debug commands to disable TCAM error printing and TCAM info printing.
Warning
We suggest you do not use the debug commands without TAC supervision.
The following is a sample of the output from the show platform tcam summary command.
Router# show platform tcam summary
Ingress : 2/8 slices, 512/2048 entries used
Pre-Ingress: 3/4 slices, 768/1024 entries used
Egress : 0/4 slices, 0/512 entries used
The following is a sample of the output from the show platform tcam detailed command.
Router# show platform tcam detailed
Ingress : 2/8 slices, 512/2048 entries used
Pre-Ingress: 3/4 slices, 768/1024 entries used
Egress : 0/4 slices, 0/512 entries used
Slice ID: 1
Stage: Pre-Ingress
Mode: Single
Entries used: 28/256
Slice allocated to: Layer-2 Classify and Assign Group
Slice ID: 4
Stage: Pre-Ingress
Mode: Double
Entries used: 10/128
Slice allocated to: L2CP
Slice ID: 2
Stage: Ingress
Mode: Double
Entries used: 29/128
Slice allocated to: L2 Post-Switch Processing Group
Slice ID: 3
Stage: Ingress
Mode: Single
Entries used: 13/256
Slice allocated to: CESoPSN-UDP, CEF, Layer-3 Control Protocols
Example: TCAM troubleshooting related error
In this example all the eight slices available at the Ingress stage have already been allocated. Also, the
slice allocated to QoS has no free entries. If we need to configure a few more QoS rules, the following
options are available:
1. To unconfigure QoS rules that are no longer required and thereby freeing up the entries
debug platform tcam error
Enables TCAM error printing.
By default, the error printing is turned on and the info
printing is turned off.
debug platform tcam info
Enables TCAM info printing.
Command Purpose