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‎content/cumulus-linux-517/Installation-Management/Automatic-Backup.md‎

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@@ -3,6 +3,7 @@ title: Automatic Configuration Backup
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author: NVIDIA
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weight: 82
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toc: 3
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draft: true
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---
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Cumulus Linux provides an automatic configuration backup feature that takes snapshots each time the `nv config apply` command runs successfully. The switch also takes a snapshot weekly to ensure that at least one valid weekly snapshot is available, subject to disk space and backup success.

‎content/cumulus-linux-517/Installation-Management/Installing-a-New-Cumulus-Linux-Image-with-ONIE.md‎

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```
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cumulus@switch:~$ nv show system
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uptime 1 day, 1:52:24
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hostname leaf01
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product-name Cumulus Linux
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platform N/A
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system-memory 1.31 GB used / 363.36 MB free / 1.67 GB total
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swap-memory 0 Bytes used / 0 Bytes free / 0 Bytes total
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health-status Not OK
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security
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secure-boot
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state enabled
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operational applied
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----------------- ------------------- -----------------
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uptime 5:07:49
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hostname leaf01 leaf01
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fqdn leaf01
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product-name Cumulus Linux
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security
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secure-boot
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state not-supported
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dns
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domain
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date-time
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local-time 2026-04-15 21:23:16
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timezone Etc/UTC Etc/UTC
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...
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```
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‎content/cumulus-linux-517/Layer-1-and-Switch-Ports/802.1X-Interfaces.md‎

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state disabled
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delay 1
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interval 30
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pre-auth
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Allow-protocol lldp
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pre-auth
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allow-protocol
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lldp ingress
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```
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## Troubleshooting

‎content/cumulus-linux-517/Layer-3/Bidirectional-Forwarding-Detection-BFD.md‎

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--------- ---------------------------
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state enabled
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offload enabled
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[profile] bfd_profile_bgp-bfd-profile
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...
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```
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To show if the BFD session is offloaded, run the `nv show vrf default router bfd peers --view brief` command or the vtysh `show bfd peer` command.

‎content/cumulus-linux-517/Monitoring-and-Troubleshooting/High-Frequency-Telemetry.md‎

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d. Enable OTLP gRPC export:
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```
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cumulus@switch:~$ nv set system telemetry hft export otlp grpc state enabled
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cumulus@switch:~$ nv set system telemetry export otlp state enabled
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cumulus@switch:~$ nv config apply
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```
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d. Enable IPFIX export:
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```
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cumulus@switch:~$ nv set system telemetry hft export ipfix state enabled
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cumulus@switch:~$ nv set system telemetry export ipfix state enabled
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cumulus@switch:~$ nv config apply
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```
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cumulus@switch:~$ nv config apply
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```
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3. Enable streaming to export data to your configured destination:
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3. Enable streaming to export data to your configured export destination (`otlp` or `ipfix`):
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```
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cumulus@switch:~$ nv set system telemetry hft export-type ipfix
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cumulus@switch:~$ nv set system telemetry hft export state enabled
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cumulus@switch:~$ nv config apply
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```
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-------------------- ------------------- ------- -------
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export
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state enabled enabled
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export-type otlp ipfix
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duration 120 120
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sample-interval-usec 1000 1000
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session-status
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status COMPLETED
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timestamp 2025-10-29 08:02:08
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sample-interval-usec 1000 1000
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Counters
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===========
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standard 3 rx-byte 5000
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tc-occupancy
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tx-byte
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job
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jobs
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======
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No Data
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```

‎content/cumulus-linux-517/Whats-New/New-and-Removed-NVUE-Commands.md‎

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```
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nv show interface <interface-id> counters link debounce
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nv show interface <interface-id> link debounce
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nv show interface <interface-id> qos buffer shared-headroom-pool
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nv show interface debounce-counters
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nv show interface <interface-id> link debounce
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nv show interface <interface-id> qos buffer shared-headroom-pool
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nv show qos advance-buffer-config <profile-id> shared-headroom
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nv show system aaa user cumulus --privileged
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nv show system dot1x pre-auth
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nv set qos advance-buffer-config default-global shared-headroom required-headroom-per-pg
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nv set qos advance-buffer-config default-global shared-headroom exclusive-headroom-per-pg
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nv set qos advance-buffer-config default-global shared-headroom oversubscription-ratio
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nv set interface <interface-id> qos shared-headroom-pool enable
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nv set interface <interface-id> qos shared-headroom-pool
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nv set qos congestion-control default-global traffic-class <traffic-class-id> mode
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nv set qos congestion-control default-global traffic-class <traffic-class-id> min-threshold-percent
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nv set qos congestion-control default-global traffic-class <traffic-class-id> max-threshold-percent
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nv set router bfd offload
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nv set system config backup state
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nv set system config backup restore <snapshot-id>
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nv set system dot1x pre-auth allow-protocol lldp ingress
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nv set system dot1x pre-auth allow-protocol lldp egress
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nv set system dot1x pre-auth allow-protocol lldp both
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nv set system dot1x pre-auth allow-protocol lldp none
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nv set system dot1x tx-identity-request max-retries
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nv set system lldp tlv egress-policy
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nv set system lldp tlv egress-policy dcbx-app-priority
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nv set system lldp tlv egress-policy port-vlan-id
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nv set system lldp tlv egress-policy mac-phy-config
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nv set system lldp tlv egress-policy system-capabilities
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nv set system lldp tlv egress-policy unreachable-prefix state
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nv set system lldp tlv ingress-policy dcbx-app-priority
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nv set system lldp tlv ingress-policy management-address
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nv set system lldp tlv ingress-policy system-description
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nv set system lldp tlv profile <lldp-profile-name-id> ingress-policy mac-phy-config
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nv set system lldp tlv profile <lldp-profile-name-id> ingress-policy system-capabilities
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nv set system security alerts audit-failure
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nv set system aaa tacacs authorization <id>> all-commands
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nv set system aaa tacacs authorization <privilege-level> all-commands
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nv set system telemetry export ipfix destination
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nv set system telemetry export ipfix port
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nv set system telemetry export ipfix template-metadata-interval
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## Removed NVUE Commands
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Cumulus Linux 5.17 no longer supports the following NVUE commands:
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```
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```
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No NVUE commands are removed in Cumulus Linux 5.17.

‎content/cumulus-linux-517/Whats-New/_index.md‎

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- {{<link url="Docker-with-Cumulus-Linux/#docker-resource-tiering-system" text="Docker Resource Governance & Policy Agent">}}
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- {{<link url="Quality-of-Service/#lossless-headroom" text="PFC headroom pool">}}
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- {{<link url="Link-Layer-Discovery-Protocol/#lldp-tlvs" text="Granular LLDP TLV definition and control">}}
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- {{<link url="Automatic-Configuration-Backup" text="Automatic configuration backup">}}
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- {{<link url="Syslog/#thermal-control-logs" text="Thermal logging in syslog (sensor and fan state and errors)">}}
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- {{<link url="EVPN-Enhancements/#evpn-unreachability-in-disjoined-planes" text="EVPN Unreachability in Disjoined Planes">}} (Beta)
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- {{<link url="Link-Layer-Discovery-Protocol/#bgp-unreachable-prefix-tlv" text="BGP unreachable prefix TLV">}} (Beta)
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- {{<link url="RDMA-over-Converged-Ethernet-RoCE/#verify-roce-configuration" text="nv show interface <interface-id> qos roce counters supports multiple interfaces, including ranges">}}
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- {{<link url="NVUE-CLI/#configuration-commands" text="NVUE prevents configuration changes during long background operations">}}
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- {{<link url="NVUE-CLI/#verify-configuration-before-applying" text="NVUE command">}} and {{<link url="NVUE-API/#verify-configuration-before-applying" text="NVUE API option">}} to verify configuration before applying
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- {{<link url="System-Power-and-Switch-Reboot/#show-reboot" text="NVUE command to show warm boot status ">}}
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- {{<link url="System-Power-and-Switch-Reboot/#show-reboot-information" text="NVUE command to show warm boot status">}}
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- Telemetry
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- New OTEL metrics: {{<link url="Open-Telemetry-Export/#interface-statistic-format" text="link debounce">}}, {{<link url="Open-Telemetry-Export/#interface-statistic-format" text="PHY link down">}}, {{<link url="Open-Telemetry-Export/#control-plane-statistic-format" text="control plane">}}, and {{<link url="Open-Telemetry-Export/#platform-statistic-format" text="platform information">}}
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- New gNMI metrics: {{<link url="gNMI-Streaming/#metrics" text="PHY link down, link debounce, control plane, platform information, and systemd service">}}

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