Nexus 9000 Series,NX‑OS 9.3(8)

Overview

NX‑OS Release 9.3(8) provides software updates for Nexus 9000 Series switches running in NX‑OS mode.
This release includes new and enhanced software features and a list of open issues that continue to affect various platforms. It does not introduce new hardware support.

New and Enhanced Software Features

Thousand Eyes Integration

  • Support for Thousand Eyes (TE) integration enables enhanced network visibility analytics on Nexus 9000 Series switches.

SNMP Enhancements

  • SNMPv3 with salt hash support improves password hashing security for SNMPv3 users.

Open Issues

Bug ID Description
CSCvy62164 Crash in fatal module error when downgrading from 9.3.7 to 9.3.6 due to a port_client service crash; no workaround available.
CSCvy90363 On certain spine platforms, PTP causes unicast ARP replies to be intercepted instead of forwarded, impacting VXLAN host reachability.
CSCvy82116 VXLAN unicast traffic drop due to MAC entry deletion behind FEX AA VPC post‑reload; causes traffic loss until relearned.
CSCvz25260 Additional prompt appears when running guest‑shell commands unexpectedly after upgrade.
CSCwe53655 VRRP MAC blocking behavior for VRRP VMAC on SVI interfaces reverted; user cannot configure expected VRRP MAC.
CSCwh50989 Custom CoPP policy matching Layer 4 ports can cause transit traffic to be punted to the CPU on GX2 devices.
CSCvy00029 Packets with bad L4 checksum are dropped on FX3 platforms.
CSCvy07465 VXLAN EVPN PIP replication for BUM traffic fails when remote IR list is empty.
CSCvy07799 SPAN configuration for FEX port‑channel source interface fails on certain fixed platforms.
CSCvy23061 Memory leak in SNMP process due to high STATSCLIENT_MEM allocations leading to process crashes.

Supported Hardware

Fixed Switch Platforms

Product ID Description
N9K-C93180YC-FX 48×10/25G + 6×40/100G fixed switch
N9K-C93180YC-EX Enhanced fixed switch
N9K-C93180YC-FX3S Fixed switch with expanded capabilities
N9K-C9332C 32×40/100G + 2×1/10G
N9K-C9336C-FX2 36×40/100G fixed switch
N9K-C9364C-GX 64×40/100G fixed switch
N9K-C93600CD-GX 60×40/100G fixed switch
N9K-C94160YC-X 48×10/25G + 6×40G fixed switch
N9K-C94328C 28×100G fixed switch
N9K-C9436C 36×100G fixed switch

Modular Switch Platforms

Product ID Description
N9K-C9504 Modular chassis up to 4 line cards
N9K-C9508 Modular chassis up to 8 line cards
N9K-C9516 Modular chassis up to 16 line cards

Line Cards

Product ID Description
N9K-X9736C-FX 36×40/100G QSFP28 line card
N9K-X9732C-FX 32×40/100G QSFP28 line card
N9K-X9732C-EX Enhanced 32×40/100G QSFP28
N9K-X9636C-R 36×40/100G R‑Series
N9K-X9636C-RX Enhanced R‑Series 36×40/100G
N9K-X9636Q-R 36×40G R‑Series QSFP
Product ID Description
N9K-M4PC-CFP2 Uplink module with 4×100G CFP2 ports
N9K-M6PQ Uplink module with 6×40G QSFP+ ports
N9K-M6PQ-E Enhanced 6×40G QSFP+ uplink module
N9K-M12PQ 12×40G QSFP+ uplink module

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