TCAMリソースが原因でCisco Nexus 9336C-FX2でポートがリンクアップしない
環境
- Cisco Nexus 9336C-FX2
- ONTAP 9
問題
- スイッチポート1~10は既存のノードですでに使用されています
- スイッチポート11~18を使用して新しいノードを追加するときにポートがリンクアップしない（err-disabled状態）
- 影響を受けるポートについて、スイッチエラーが記録されました。例：
%ETHPORT-5-IF_HARDWARE: Interface Ethernet1/13, hardware type changed to 100G
%ETHPORT-3-IF_UNSUPPORTED_TRANSCEIVER: Transceiver on interface Ethernet1/13 is not supported
%ACLQOS-SLOT1-4-ACLQOS_OVER_THRESHOLD: Inst 1 Tcam 0 Bank 1's (Ingress L2 QOS [ing-l2-qos]) usage has reached its threshold
%ACLQOS-SLOT1-4-ACLQOS_OVER_THRESHOLD: Inst 1 Tcam 0 Bank 1's (Ingress L2 QOS [ing-l2-qos]) usage has reached its threshold (message repeated 1 time)
%ETHPORT-5-SPEED: Interface Ethernet1/13, operational speed changed to 100 Gbps
%ETHPORT-5-IF_DUPLEX: Interface Ethernet1/13, operational duplex mode changed to Full
%ETHPORT-5-IF_RX_FLOW_CONTROL: Interface Ethernet1/13, operational Receive Flow Control state changed to off
%ETHPORT-5-IF_TX_FLOW_CONTROL: Interface Ethernet1/13, operational Transmit Flow Control state changed to off
%ACLQOS-SLOT1-2-ACLQOS_OOTR: Tcam resource exhausted: Ingress L2 QOS [ing-l2-qos]
%ETHPORT-5-IF_SEQ_ERROR: Error ("Sufficient free entries are not available in TCAM bank") communicating with MTS_SAP_IPQOS_MGR for opcode MTS_OPC_ETHPM_PORT_BRINGUP (RID_PORT: Ethernet1/13)
%ETHPORT-5-IF_DOWN_ERROR_DISABLED: Interface Ethernet1/13 is down (Error disabled. Reason:Sufficient free entries are not available in TCAM bank)