Cisco Systems A9014CFD manual Example Tcam troubleshooting related error, 24-83

Chapter 24 Configuring QoS

Troubleshooting Tips

Command		Purpose
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.

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

	Cisco ASR 901 Series Aggregation Services Router Software Configuration Guide
OL-23826-09		24-83