Overview
NX‑OS Release 15.2(2) provides updates for Nexus 9000 Series switches operating in ACI Mode.
This release is supported only on Nexus 9000 Series switches in ACI Mode and includes supported hardware, open issues, and resolved issues.
It corresponds to APIC Release 5.2(2).
Supported Hardware
| Hardware Type | Product ID | Description |
|---|---|---|
| Chassis | N9K-C9504 | 9504 chassis with 4 I/O slots |
| Chassis | N9K-C9508 | 9508 chassis with 8 I/O slots |
| Chassis | N9K-C9508-B1 | 9508 chassis bundle with supervisor, PSUs, system controllers, fans, and fabric modules |
| Chassis | N9K-C9508-B2 | 9508 chassis bundle with six fabric modules |
| Chassis | N9K-C9516 | 9516 chassis with 16 I/O slots |
| Line card | N9K-X9716D-GX | 16‑port 400G QSFP line card |
| Line card | N9K-X9736C-FX | 36×40/100G QSFP28 line card |
| Line card | N9K-X9736Q-FX | 36×40G QSFP28 line card |
| Line card | N9K-X9732C-EX | 32×40/100G QSFP28 line card |
| Supervisor | N9K-SUP-A | Supervisor module |
| Supervisor | N9K-SUP-A+ | Enhanced supervisor module |
| Supervisor | N9K-SUP-B | Supervisor B module |
| Supervisor | N9K-SUP-B+ | Supervisor B+ module |
| System controller | N9K-SC-A | System controller |
| Fabric module | N9K-C9504-FM-G | 400G capable fabric module |
| Fabric module | N9K-C9508-FM-G | 400G capable fabric module |
| Fabric module | N9K-C9504-FM-E | Cloud scale fabric module |
| Fabric module | N9K-C9508-FM-E | Cloud scale fabric module |
| Fabric module | N9K-C9508-FM-E2 | Enhanced cloud scale fabric module |
| Fabric module | N9K-C9516-FM-E2 | Enhanced cloud scale fabric module |
| Leaf switch | N9K-C93180YC-FX3 | 48×100M/1/10/25G + 6×10/25/40/50/100G leaf |
| Spine switch | N9K-C9364C-GX | 64×100G QSFP28 spine switch |
| Spine switch | N9K-C93600CD-GX | 64×100/400G QSFP‑DD spine switch |
| Spine switch | N9K-C93360YC-FX2 | 60×40/100G spine switch |
No Longer Supported Hardware
Starting with 15.0(1) and later releases, the following hardware is no longer supported in ACI fabrics:
- Spine switch: N9K‑C9336PQ
- Modular spine line card: N9K‑X9736PQ
- Modular fabric modules: N9K‑C9504‑FM, N9K‑C9508‑FM, N9K‑C9516‑FM
- Legacy leaf switches including N9K‑C9372PX‑E/TX, N9K‑C9332PQ, N9K‑C9396PX/TX, N9K‑C93128TX
- Expansion modules: N9K‑M12PQ, N9K‑M6PQ, N9K‑M6PQ‑E
Supported FEX Models
Fabric Extenders supported in this release are compatible with Nexus 2000 Series FEX modules used in ACI fabrics.
Open Issues
| Bug ID | Description | Exists In |
|---|---|---|
| CSCwn63197 | BUM traffic on a specific leaf is not functioning properly; FTAG Tree route calculation does not include certain spine‑leaf links, impacting BUM traffic. | 15.2(2e) and later |
| CSCvy68966 | OSPF hello packets from peer are dropped in ACI leaf/spine. | 15.2(2e) and later |
| CSCvy81768 | Policy Element core generated after APIC downgrade without SR‑MPLS/ACI‑SDA removal. | 15.2(2e) and later |
| CSCvz31425 | Extra flows observed on spine switch after adding/deleting subnet in VRF for telemetry. | 15.2(2e) and later |
| CSCvz49846 | Remote leaf endpoint sends multicast; after spine fabric reload, endpoint marked rogue. | 15.2(2e) and later |
| CSCvz90912 | SMU consistency sync issue leads to extra reload during supervisor data sync. | 15.2(2e) and later |
| CSCvz95984 | Incorrect “use count” value in flow monitor output. | 15.2(2e) and later |
| CSCwa12371 | IPv6 NTP synchronization issue over in‑band management network. | 15.2(2e) and later |
| CSCwa12763 | External route import fails after removing shared services contract. | 15.2(2e) and later |
| CSCwa47686 | PTP enable issue on >128 leaf switches in large pod. | 15.2(2e) and later |
| CSCwa64076 | SMUs do not show correctly in output of “show version”. | 15.2(2e) and later |
| CSCwa95241 | Endpoint may fail to resolve ARP from another endpoint. | 15.2(2e) and later |
Resolved Issues
| Bug ID | Description | Fixed In |
|---|---|---|
| CSCvz71778 | After upgrade, downlinks bring up without policy; temporary traffic drops until APIC handshake completes. | 15.2(2g) |
| CSCvy92710 | Tech support collection error missing commands resolved. | 15.2(2f) |
| CSCvy75247 | PTP feature failure on combinations of spine switches resolved. | 15.2(2e) |
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