Nexus 9000 Series,NX‑OS 11.0(1e) 

Overview

NX‑OS 11.0(1e) for Nexus 9000 Series ACI switches provides high-performance, scalable, and programmable data center operations. This release is intended for Nexus 9000 Series switches running in ACI mode.

Supported Hardware

Hardware Type Product ID Description
Spine Chassis Bundle N9K-C9508-B1 9508 chassis bundle (supervisor, PSUs, controllers, fans, fabric modules)
Spine Chassis Bundle N9K-C9508-B2 9508 chassis extended bundle
Chassis N9K-C9508 9508 chassis, 8 slots
Aggregation Module N9K-X9736PQ 36‑port 40G QSFP aggregation module
Supervisor Module N9K-SUP-A Supervisor module
System Controller N9K-SC-A System controller
Power Supply N9K-PAC-3000W-B 3000W AC PSU, port side intake
Fabric Module N9K-C9508-FM Fabric module for 9508
Fan Tray N9K-C9508-FAN Fan tray
Spine Switch N9K-C9336PQ 36‑port 40G QSFP spine switch
Leaf Switch N9K-C9396PX 48‑port 1/10G SFP+ + 12‑port 40G QSFP leaf
Leaf Switch N9K-C93128TX 96‑port 1/10G BASE‑T + 8‑port 40G QSFP leaf

Supported FEX Modules

  • Nexus 2000 Series Fabric Extenders (requires NX‑OS 5.x or later):
    N2K-C2248PQ-10GE, N2K-C2248TP-E-1GE, N2K-C2248TP-1GE, N2K-C2232PP-10GE, N2K-C2232TM-E-10GE

Installation Notes

  • Follow the ACI Fabric Hardware Installation Guide for installation.

Compatibility

  • Supports interoperability with APIC 1.0(1k), AVS 4.2(1)SV2(2.3), ASA/ASAv, F5 BIG-IP, Citrix Netscaler, VMware vCenter and vShield.

Protocols Always Allowed

  • SNMP (UDP 161)
  • BGP (TCP 179)
  • OSPF
  • BOOTP/DHCP (UDP 67/68)
  • IGMP, PIM
  • DNS replies (UDP 53)
  • SMTP replies (TCP 25)
  • HTTPS (TCP 443)
  • NTP (UDP 123)

Caveats

Open Caveats

  • FEX logs missing in show fex detail
  • BGP maximum prefix policy configuration not supported
  • Some show interface outputs missing span‑destination info
  • GUI events/faults for interfaces may not display
  • Unnecessary SNMP traps generated on I/O module removal/insertion
  • Slow CLI command responses
  • show environment may miss sensors or FEXes
  • clear counters fails with spaces in interface name
  • Certain SPAN and multicast behaviors not working
  • Continuous threshold messages generated from fabric
  • Interface tagging inconsistent after reload

Resolved Caveats

  • Bash vulnerabilities (CVE‑2014‑6271, CVE‑2014‑7169) fixed

Known Behaviors

  • L3 switched packets exiting FEX HIF not spanned
  • Multicast may not span correctly with VLAN filters
  • Only 8 IP addresses per MAC learning supported
  • Warm standby on Nexus 9508 may leave standby supervisor unsynced
  • Recommissioned APIC joining cluster may cause CLI/GUI timeouts
  • Switch decommission may not complete clean reboot without manual intervention
  • IGMP Querier election across multiple EPGs or L2 outside networks not supported
  • Unknown IP multicast flooded unless “Optimized Flood” configured

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