Cisco Nexus 9000 Series NX-OS Release Notes, Release 7.0(3)I7(10)
This document describes the features, caveats, and limitations of Cisco NX-OS Release 7.0(3)I7(10) software for use on Cisco Nexus 9000 Series switches.
For more information, see Related Content.
Note: The documentation set for this product strives to use bias-free language. For the purposes of this documentation set, bias-free is defined as language that does not imply discrimination based on age, disability, gender, racial identity, ethnic identity, sexual orientation, socioeconomic status, and intersectionality. Exceptions may be present in the documentation due to language that is hardcoded in the user interfaces of the product software, language used based on RFP documentation, or language that is used by a referenced third-party product.
The following table lists the changes to this document.
Date |
Description |
April 09, 2023 |
Added caveat CSCwe67205 in Open Issues table. |
August 23, 2021 |
Cisco NX-OS Release 7.0(3)I7(10) became available. |
There are no new software features in this release.
There are no new hardware features in this release.
Description |
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Headline: Credit Loss Recovery is not triggered for FC interface with no transmit credits. Symptom: A Fibre Channel interface that stays at 0 transmit credits is not recovered by the Credit Loss Recovery agent. Workaround: If the interface has switchport ignore bit-errors configured, then remove it with the no switchport ignore bit-errors interface configuration command. |
Bug ID |
Description |
Headline: Module ejector interrupt storm causing plfm mgr crash |
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Headline: N9K CDP Process Crashes When Freeing Neighborship Entry With Null Device ID |
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Headline: N9508 MacSec - interface stuck in Authorization pending state due to one way traffic |
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Headline: Nexus 9000/3000 NXOS : M500IT Bootflash in readonly mode Option 1 - Upgrade NXOS VersionThe new Firmware with the fix for this issue will be packaged in 9.3(7), 10.1(2) and later NXOS versions. Option 2 - Upgrade SSD FW using SMU This option will be available under NX-OS Software Maintenance Upgrades (SMU) for 7.0(3)I7(x), 9.2(x), 9.3(x) and 10.1(1) on affected PIDs?7.0(3)I7(9) SMU nxos.CSCvx21260-n9k_ALL-1.0.0-7.0.3.I7.9.lib32_n9000.rpm is applicable to NX-OS Software Release 7.0(3)I7(1) to 7.0(3)I7(9)?9.3(6) SMU nxos.CSCvx21260-n9k_ALL-1.0.0-9.3.6.lib32_n9000.rpm is applicable to NX-OS Software Release 9.2(1) - 9.2(4) and 9.3(1) - 9.3(6)?10.1(1) SMU nxos.CSCvx21260-n9k_ALL-1.0.0-10.1.1.lib32_n9000.rpm is applicable to NX-OS Software Release 10.1(1) Option 3 - Upgrade SSD FW using scriptScript upgrade_m500_firmware.tar.gz will be available under NX-OS Firmware section for the affected PIDs. This same script can be used for any version from 7.0(3)I7(x), 9.2(x), 9.3(x), 10.1(1) 1.Copy upgrade_m500_firmware.tar.gz to switch bootflash. For 9500 Series Switches with Dual Supervisor, copy upgrade_m500_firmware.tar.gz to active as well as standby supervisor bootflash. Perform the upgrade first on standby supervisor and then active supervisor 2.Verify that upgrade_m500_firmware.tar.gz is in bootflashswitch# dir bootflash: | grep upgrade 2151467 Mar 08 19:17:00 2021 upgrade_m500_firmware.tar.gzIn case of Nexus 9500, verify upgrade_m500_firmware.tar.gz is also in Standby Supervisor bootflashswitch# dir bootflash://sup-standby/ | grep upgrade 2151467 Mar 08 19:18:00 2021 upgrade_m500_firmware.tar.gz 3. Configure bash if not enabled and run bashswitch# feature bashswitch# run bash sudo subash-4.2# In case of Nexus 9500, login to standby supervisor for Nexus 9500 use rlogin command from active supervisorIf slot 28 is Standby supervisor, thenbash-4.2# rlogin sup28root@switch#If slot 27 is Standby supervisor, thenbash-4.2# rlogin sup27root@switch# 4.Copy the script from bootflash to /tmpbash-4.2# cp /bootflash/upgrade_m500_firmware.tar.gz /tmp 5.Uncompress the file in /tmp folderbash-4.2# cd /tmpbash-4.2# tar -xvzf upgrade_m500_firmware.tar.gzupgrade_m500_firmwareM500_MC03.binM500_MU05.bin 6.IMPORTANT - Execute the script upgrade_m500_firmware with no parametersbash-4.2# ./upgrade_m500_firmwareChecking SSD firmware ... Model Number: Micron_M500IT_MTFDDAT064SBD Serial Number: MSA2226001B Firmware Revision: MU01.00SSD Model: Micron_M500IT_MTCurrent SSD Firmware Version: 1Your SSD firmware needs update and will be upgradedUpdating the SSD firmware ... /dev/sda:fwdownload: xfer_mode=3 min=1 max=255 size=512............................................................................... Done. Model Number: Micron_M500IT_MTFDDAT064SBD Serial Number: MSA2226001B Firmware Revision: MU05.00Current SSD Firmware is 5SSD Firmware has been updated successfully Please Note: After Upgrade SSD Firmware will either be MU05.00 or MC03.00. |
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Headline: N9k - Reduce syslog severity for new PFC syslogs |
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Headline: Batch ACL config fail with duplicate ACE |
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Headline: Need syslog to be generated for uncorrectable parity error |
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Headline: N3k switch crash due to "monitor" hap failure during ERSPAN config push |
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Headline: Nexus 3500 | "show openflow switch 1 flows" shows "Packets: 0, Bytes: 0" for a "Flow" entry Symptoms: "show openflow switch 1 flows" shows Packets: 0, Bytes: 0"for a "Flow"entry Workarounds: Disruptive recovery mechanisms include: Option-1: Execute 'clear openflow switch 1 controller all' from the switch. This will clear all the openflow rules from the switch and will reprogram it from the controller. Options-2: Reload |
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Headline: Nexus 9500 Platform Line Cards crashing and causing bcm-crash core The following may be reported in the log: 2020 Nov 21 09:44:20 %SYSMGR-SLOT3-2-SERVICE_CRASHED: Service "bcm_usd" (PID 8338) hasn't caught signal 6 (core will be saved). 2020 Nov 21 09:44:23 %SYSMGR-SLOT3-3-BASIC_TRACE: generate_kernel_traces_file: PID 6553 with message failed to write kernel trace to /var/sysmgr/tmp_logs/0x302_bcm_usd_kernel-trace.8338. return value -1 . 2020 Nov 21 09:44:23 %SYSMGR-SLOT3-2-HAP_FAILURE_SUP_RESET: Service "bcm_usd" in vdc 1 has had a hap failure 2020 Nov 21 09:45:37 %MODULE-2-MOD_DIAG_FAIL: Module 3 (Serial number: SAL2034ULTR) reported failure due to Service on linecard had a hap-reset in device DEV_SYSMGR (device error 0x30b) |
Table 1 Cisco Nexus 9000 Series Fabric Modules
Table 2 Cisco Nexus 9000 Series Fans and Fan Trays
Table 3 Cisco Nexus 9500 Platform Switches Line Cards
Table 4 Cisco Nexus 9000 Series Power Supplies
Table 5 Cisco Nexus 9500 Platform Switches Supervisor Modules
Table 6 Cisco Nexus 9000 Series Switches
Table 7 Cisco Nexus 9000 Series Uplink Modules
Table 8 Cisco Nexus 9500 Platform Switches System Controller
Table 9 Cisco Nexus 3232C and 3264Q Switch Hardware
Table 10 Cisco Nexus 3164Q Switch Hardware
Table 11 Cisco Nexus 31128PQ Switch Hardware
Table 1 Cisco Nexus 9000 Series Fabric Modules
N9K-C9516-FM-E2 |
16-slot fabric module for -E line cards. |
4 – N9K-X97160YC-EX |
Table 2 Cisco Nexus 9000 Series Fans and Fan Trays
1 For specific fan speeds, see the Overview section of the Hardware Installation Guide.
Table 3 Cisco Nexus 9500 Platform Switches Line Cards
Line card with 48 1/10-Gigabit SFP+ ports and 4 40-Gigabit QSFP+ uplink ports |
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Line card with 48 10GBASE-T (copper) ports and 4 40-Gigabit QSFP+ ports |
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Line card with 48 10GBASE-T (copper) ports and 4 40-Gigabit QSFP+ ports |
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Line card with 48 1-/10-Gigabit SFP+ ports and 4 40-Gigabit QSFP+ ports |
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Line card with 48 1-/10GBASE-T (copper) ports and 4 40-Gigabit QSFP+ ports |
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N9K-X9732C-FX |
Line card with 32 100 Gigabit Ethernet. Each QSFP28 supports 1x100-, 2x50-, 1x40-, 4x25-, 4x10-, and 1x1/10-Gigabit Ethernet. . |
4 |
8 |
16 |
N9K-C9504-FM-E |
N9K-X9736Q-FX |
Line card with 36 1-/10-/40-Gigabit QSFP28 ports |
4 |
8 |
16 |
N9K-C9504-FM-E N9K-C9508-FM-E N9K-C9516-FM-E |
N9K-X9788TC-FX |
Line card with 48 1-/10-G BASE-T (copper) and 4 100-Gigabit QSFP28 ports |
4 |
8 |
16 |
N9K-C9504-FM-E N9K-C9516-FM-E |
N9K-X97160YC-EX |
Line card with 48 10-/25-Gigabit SFP28 ports and 4 40-/100-Gigabit QSFP28 ports |
4 |
8 |
16 |
N9K-C9504-FM-E |
Table 4 Cisco Nexus 9000 Series Power Supplies
Table 5 Cisco Nexus 9500 Platform Switches Supervisor Modules
Table 6 Cisco Nexus 9000 Series Switches
Table 7 Cisco Nexus 9000 Series Uplink Modules
An enhanced version of the Cisco Nexus N9K-M6PQ uplink module. |
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Cisco Nexus 9300 uplink module with 12 40-Gigabit Ethernet QSPF+ ports. |
Table 8 Cisco Nexus 9500 Platform Switches System Controller
Table 9 Cisco Nexus 3232C and 3264Q Switch Hardware
Table 10 Cisco Nexus 3164Q Switch Hardware
Table 11 Cisco Nexus 31128PQ Switch Hardware
To perform a software upgrade or downgrade, follow the instructions in the Cisco Nexus 9000 Series NX-OS Software Upgrade and Downgrade Guide, Release 7.x.
For information about an In Service Software Upgrade (ISSU), see the Cisco NX-OS ISSU Support application.
Note: Upgrading from Cisco NX-OS 7.0(3)I1(2), 7.0(3)I1(3), or 7.0(3)I1(3a) requires installing a patch for Cisco Nexus 9500 platform switches only. For more information on the upgrade patch, see Upgrade Patch Instructions.
The following features are not supported for the Cisco Nexus 9200 platform switches and the Cisco Nexus 93108TC-EX and 93180YC-EX switches:
■ 64-bit ALPM routing mode
■ Cisco Nexus 9272PQ and Cisco Nexus 92160YC platforms do not support the PXE boot of the NXOS image from the loader.
■ ACL filters to span subinterface traffic on the parent interface
■ Egress port ACLs
■ Egress QoS policer is supported on the Cisco Nexus 9300-EX and 9300-FX platform switches. It is not supported on the Cisco Nexus 9200 platform switch. The only policer action supported is drop. Remark action is not supported on egress policer.
■ FEX (supported for Cisco Nexus 9300-EX platform switches but not for Cisco Nexus 9200 platform switches.)
■ GRE v4 payload over v6 tunnels
■ IP length-based matches
■ IP-in-IP on Cisco Nexus 92160 switch
■ ISSU enhanced is not supported on the Cisco Nexus 9300-FX platform switch.
■ Layer 2 Q-in-Q is supported only on Cisco Nexus 9300-EX platform switches (93108TC-EX and 93180YC-EX) and Cisco Nexus 9500 platform switches with the X9732C-EX line card.
■ MTU (Multi Transmission Unit) checks for packets received with an MPLS header
■ NetFlow is not supported on Cisco Nexus 9200 platform switches. It is supported on Cisco Nexus 9300-EX and 9300-FX platform switches.
■ Packet-based statistics for traffic storm control (only byte-based statistics are supported)
■ PVLANs (supported on Cisco Nexus 9300 and 9300-EX platform switches but not on Cisco Nexus 9200 platform switches)
■ Q-in-VNI is not supported on Cisco Nexus 9200 platform switches. Beginning with Cisco NX-OS Release 7.0(3)I5(1), Q-in-VNI is supported on Cisco Nexus 9300-EX platform switches.
■ Q-in-Q for VXLAN is not supported on Cisco Nexus 9200 and 9300-EX platform switches
Q-in-VNI is not supported on Cisco Nexus 9200 platform switches (supported on Cisco Nexus 9300-EX platform switches)
■ Resilient hashing for ECMP on the Cisco Nexus 9200 platform switches.
■ Resilient hashing for port-channel
■ Rx SPAN for multicast if the SPAN source and destination are on the same slice and no forwarding interface is on the slice
■ SVI uplinks with Q-in-VNI are not supported with Cisco Nexus 9300-EX platform switches
■ Traffic storm control for copy-to-CPU packets
■ Traffic storm control with unknown multicast traffic
■ Tx SPAN for multicast, unknown multicast, and broadcast traffic
■ VACL redirects for TAP aggregation
The following features are not supported for the Cisco Nexus 9500 platform N9K-X9408PC-CFP2 line card and Cisco Nexus 9300 platform switches with generic expansion modules (N9K-M4PC-CFP2):
■ 802.3x
■ Breakout ports
■ FEX (this applies to the N9K-X9408PC-CFP2 and –EX switches, not all Cisco Nexus 9300 platform switches)
■ MCT (Multichassis EtherChannel Trunk)
■ NetFlow
■ Only support 40G flows
■ Port-channel (No LACP)
■ PFC/LLFC
■ PTP (Precision Time Protocol)
■ PVLAN (supported on Cisco Nexus 9300 platform switches)
■ Shaping support on 100g port is limited
■ SPAN destination/ERSPAN destination IP
■ Storm Control
■ vPC
■ VXLAN access port
The following features are not supported for Cisco Nexus 9508 switches with an N9K-X9732C-EX line card:
■ FEX
■ IPv6 support for policy-based routing
■ LPM dual-host mode
■ SPAN port-channel destinations
The entire Cisco Nexus 9000 Series NX-OS documentation set is available at the following location: Cisco Nexus 9000 Series Switches
Cisco Nexus 9000 Series Software Upgrade and Downgrade Guide is available at the following location: Cisco Nexus 9000 Series NX-OS Software Upgrade and Downgrade Guide, Release 7.x
The Cisco Nexus 3000 and 9000 Series NX-API REST SDK User Guide and API Reference is available at the following location: Cisco Nexus NX-API References
The Cisco Nexus 9000 Series FPGA/EPLD Upgrade Release Notes, Release 7.0(3)I7(10) is available at the following location:
Cisco Nexus 9000 Series FPGA/EPLD Upgrade Release Notes, Release 7.0(3)I7(10)
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