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Cisco Bug: CSCvi03056 - [DOCUMENTATION BUG] Limitation of 3072 TCAM IPv4 entries per single QoS policy map for asr9k

Last Modified

Sep 12, 2019

Products (1)

  • Cisco ASR 9000 Series Aggregation Services Routers

Known Affected Releases


Description (partial)

following error appears during configuration commit:
!!% 'km' detected the 'warning' condition 'insufficient memory available'

"show qos-ea trace errors location <location>" have following messages at that moment:
KM_LTP2 tcam enteries (3405) for policymap POLICYMAPNAME greater than max supported (3072)

Example below shows that currently 3060 TCAM entries are used (TCAM memory name is NP_APP_ID_QOS)

RP/0/RSP0/CPU0:ios#show prm server tcam summary 144-LT qos all location 0/0/cpu0

                Node: 0/0/CPU0:
TCAM summary for NP1:

  TCAM Logical Table: TCAM_LT_ODS2 (2), free entries: 86663, resvd 128
    ACL Common Region: 448 entries allocated. 448 entries free
    Application ID: NP_APP_ID_QOS (1)          <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
      Total: 1 vmr_ids, 3060 active entries, 3060 allocated entries. <<<<<<<<<

QoS policy-map uses ACLs to classify the traffic
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