Overview
NX‑OS Release 15.2(7) 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 aligns with APIC Release 5.2(7).
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, power supplies, system controllers, fans, and fabric modules |
| Chassis | N9K-C9508-B2 | 9508 chassis bundle with supervisor, power supplies, system controllers, fans, and 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 A 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 |
| Leaf switch | N9K-C93108TC-FX3P | 48×1/10GBASE‑T + 6×40/100G leaf |
| Leaf switch | N9K-C93240YC-FX2 | 48×1/10/25G + 12×40/100G leaf |
| Spine switch | N9K-C9364C-GX | 64‑port 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, the following hardware is not supported in ACI fabrics:
- Legacy leaf switches: N9K‑C9372PX‑E, N9K‑C9372TX‑E, N9K‑C9332PQ, N9K‑C9372PX, N9K‑C9372TX, N9K‑C9396PX, N9K‑C9396TX, N9K‑C93128TX
- Modular spine line card: N9K‑X9736PQ
- Modular fabric modules: N9K‑C9504‑FM, N9K‑C9508‑FM, N9K‑C9516‑FM
- Expansion modules: N9K‑M12PQ, N9K‑M6PQ, N9K‑M6PQ‑E
Open Issues
| Bug ID | Description | Exists In |
|---|---|---|
| CSCwn63197 | BUM traffic on specific leaf impacted due to FTAG tree route calculation. | 15.2(7f) and later |
| CSCvg85886 | ARP glean request mis‑generated for isolated EPG endpoints. | 15.2(7f) and later |
| CSCvw89840 | vPC TEP multicast and unknown unicast dropped when pod redundancy triggers. | 15.2(7f) and later |
| CSCvx31008 | Multi‑Pod infra OSPF link down not raising expected faults. | 15.2(7f) and later |
| CSCvy31805 | PBR destination group not programmed correctly on bypass switchovers. | 15.2(7f) and later |
| CSCwc56728 | Layer 2 unicast traffic drop seen after remote leaf vPC upgrade when rogue enabled. | 15.2(7f) and later |
| CSCwd21973 | L3Out interface not deployed. | 15.2(7f) and later |
| CSCwd25904 | Telnetd crash observed after switch joins fabric. | 15.2(7f) and later |
| CSCwd29346 | Console may continuously output latency messages. | 15.2(7f) and later |
| CSCwd30398 | Telemetry timestamp may not sync with PTP time. | 15.2(7f) and later |
| CSCwd34452 | Unicast traffic loss seen after vPC leaf graceful upgrades. | 15.2(7f) and later |
| CSCwd65255 | Supervisor STS LED blink, supervisor fails to boot after EPLD update. | 15.2(7f) and later |
| CSCwd83289 | HAL becomes unresponsive after reload, processes generate cores. | 15.2(7f) and later |
| CSCwd83293 | Switch reload with dcgrpc or dc_nae core. | 15.2(7f) and later |
| CSCwe15885 | Remote pod subnet not redistributed from BGP to ISIS, tunnels down. | 15.2(7f) and later |
| CSCwe46245 | Switch reboots due to unexpected policy manager or ACLQOS restart. | 15.2(7f) and later |
| CSCwe90254 | Incorrect tech support commands for fabric modules SMU collection. | 15.2(7f) and later |
| CSCwf04145 | 100Mb links using GLC‑T/GLC‑TE transceivers do not come up. | 15.2(7f) and later |
| CSCwf04501 | actrl.Rule programming failures followed by policy manager reset. | 15.2(7f) and later |
| CSCwf05073 | Traffic egressing fabric has unexpected COS marking when DPP enabled. | 15.2(7f) and later |
| CSCwf15461 | VXLAN encapsulation mismatch when EPGs use overlapping VLAN pools. | 15.2(7f) and later |
| CSCwf21503 | Controller ports in fabric disabled due to wiring issue. | 15.2(7f) and later |
| CSCwi87437 | MFDM buffer stuck leads to broadcast issues. | 15.2(7f) and later |
| CSCwi89535 | Leaf switch crash due to HA policy reset. | 15.2(7f) and later |
Resolved Issues
| Bug ID | Description | Fixed In |
|---|---|---|
| CSCwc91496 | Issue added in earlier release now resolved. | 15.2(7f) |
| Other stability fixes | General fixes to crashes, tech support collection, and fabric stability. | 15.2(7f) |
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