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OmniVista Network Advisor Anomalies Reference

RELEASE 1.3 JULY 2024

These Anomalies Reference notes provide important information on individual watchdogs and hardware platforms OmniVista Network Advisor supports. Since much of the information in this guide is not included in the other user manuals, you must read all sections of this document.

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Anomalies

The following table lists anomalies that are available in OmniVista Network Advisor 1.3 GA release:

Note: Click the "Expand Table" button image-20240618-093840.png to view the table in full screen mode.

Anomaly

Description

BGP Peer State Changed

Notification sent when BGP interface status is updated. The notification contains the OmniSwitch IP Address/Hostname, BGP Peer IP Address.

BGP Prefix Threshold Reached

Notification sent when OmniSwitch receives from BGP peer a number of prefixes that exceed the limit.

Chassis Supervision

Notification sent when OmniSwitch Power Supply, Fan or any known hardware defect1. The notification contains the OmniSwitch IP Address/Hostname and Power Supply/Fan ID when available.

DDoS Attack

When a Denial Of Service Attack is suspected we increase the log verbosity of the task ipv4. In case a Denial Of Service Attack is confirmed a notification with log collection is sent with the OmniSwitch IP Address/Hostname and interface/port number. The notification proposes remediation action (QoS policy rule) to prevent network access. Log verbosity is set back to Info. Once the action is complete, a notification with a summary and log collection is sent.

ERP Ring state Change

Notification sent when ERP Ring status moves to Protection. The notification contains the OmniSwitch IP Address/Hostname the ERP Ring number, initial state/final state. To limit the number of notifications, we generate a notification only on the first occurrence for a particular Ring ID.

IoT Profiling Service Unreachable

OmniSwitch with device-profiling enabled (aka IoT Profiling) cannot contact OmniVista. The reason could be a connectivity issue or a configuration issue. The notification contains the OmniSwitch IP Address/Hostname and OmniVista IP Address. Or Stellar AP does not have IoT Profiling enabled.

IP Address Duplication

Notification sent when a Duplicate IP Address is noticed on the OmniSwitch. The notification contains the OmniSwitch IP Address/Hostname and duplicate IP Address. The notification proposes remediation action (QOS Policy) to block the traffic from duplicate IP Address. If a duplicate IP Address is an Essential IP Address (listed in the Essential_IP.csv file) or the corresponding MAC Address matches with an OmniSwitch device, the action is aborted. Once action is complete, a notification with a summary and log collection is sent.

LinkAgg Down

Notification sent when a port is leaving Link Aggregate or when Link Aggregate is DOWN. The notification contains the OmniSwitch IP Address/Hostname and Aggregate ID/Port number.

NAAS Licensing Issue

Notification sent when NAAS Licensing status is updated (switch entering into grace period or degraded mode). The notification contains the OmniSwitch IP Address/Hostname and the reason.

Network Loop

When a Network Loop is suspected we increase the log verbosity of the task bcmd in case the Network Loop is confirmed a notification is sent with the OmniSwitch IP Address/Hostname and interface/port number. The notification proposes remediation action (interface/port admin-state disable) to stop the network loop. Log verbosity is set back to Info. Once the action is complete, a notification with a summary and log collection is sent.

Network Storm:

Notification sent when a Traffic Storm is noticed on an OmniSwitch. This event is triggered when unexpected traffic (unknown unicast, multicast, broadcast) exceeds the flood-limit threshold. The notification proposes remediation action (interface/port admin-state disable) to stop the storm. Once the action is complete, a notification with a summary and log collection is sent.

OmniSwitch Daemon Error

Notification sent when a daemon fails to start on an OmniSwitch. The daemon name and failure reason are collected.

OmniSwitch High Resources Load

Notification sent when a High CPU issue has been detected on OmniSwitch/a High Memory issue has been detected on OmniSwitch/a High Traffic has been detected on OmniSwitch.

OmniSwitch Internal Error

Notification sent when a Core Dump is generated by an OmniSwitch's task. The tech_support logs and core dump files are collected.

OmniSiwtch NI Hardware Module Issue

Notification sent when an NI module hardware unit is Down or running abnormally on OmniSwitch.

OmniSwitch PoE Failure

Notification sent when LANPOWER port in Denied or Fault status is noticed on OmniSwitch. The notification contains the OmniSwitch IP Address/Hostname, port in a faulty state, and the reason. The notification proposes remediation action (lanpower disable or lanpower reload). Once the action is complete, a notification with a summary and log collection is sent.

OmniSwitch Radius Server Failure

Notification sent when RADUIS Health check noticed the RADIUS server is unreachable. The notification contains the OmniSwitch IP Address/Hostname, the concerned RADIUS profile. 

OmniSiwtch Service Assurance Agent

Notification sent when an OmniSwitch receives a Service Assurance Agent status/Iteration packet loss.

OmniSwitch Spanning Tree Storm

Notification sent when a Spanning Tree Storm is noticed on an OmniSwitch. The notification contains the OmniSwitch IP Address/Hostname and VLAN ID/Port number.

OmniSwitch STP disabled

Notification sent when an OmniSwitch with Spanning-Tree Running Mode is per VLAN has detected the STP is not enabled for that VLAN.

OmniSwitch User Authentication Failure

Notification sent when an authentication failure is noticed or when an IP Address is added in the Banned list on an OmniSwitch. Notification may contain the source protocol, user login or/and the source IP Address.

OmniVista Unreachable

An OmniVista Unreachable Notication is sent for one of the following reasons:

  • An OmniSwitch cannot resolve the OV Cirrus Activation Server FQDN

  • An OmniSwitch contacted the OV Cirrus Activation Server, but the Serial Number does not exist in the Device Catalog

  • An OmniSwitch cannot reach the OV Cirrus Activation Server

  • An OmniSwitch OPENVPN Tunnel was not established because of TLS error

 

OSPF Bad LSA Message

The error messages are logged due to the Grace LSAs received by the OmniSwitch from its neighbor(s) which it is unable to understand/interpret and generates the error logs.

OSPF LSA Message Size Exceeds MTU

OmniSwitch OSPF neighbor status is set to Load state as LSA received from Neighbor oversize the MTU value. Note that as of AOS 8.5.R01 OmniSwitch fragments the OSPF LSAs packet when it crosses the outgoing IP interface MTU size.

OSPF Neighbor State Change

Notification sent when OSPF interface status is updated. The notification contains the OmniSwitch IP Address/Hostname, Neighbor IP Address.

Perpetual PoE and Fast PoE Support

Notification sent when we detect an OmniSwitch does not have the correct FPGA version to support Perpetual PoE or Fast PoE.

Port Flapping

Notification sent when a Port Flapping is observed on an OmniSwitch.  The notification proposes remediation action (interface/port admin-state disable) to stop port flapping. Once the action is complete, a notification with a summary and log collection is sent.

Port Violation

Notification sent when a port violation is noticed on an OmniSwitch. The notification contains the OmniSwitch IP Address/Hostname, interface/port number, and violation reason (LBD, QOS, Link Monitoring, etc.). The notification proposes remediation action (clear violation port) for clearing the violation. Once the action is complete, a notification with a summary and log collection is sent.

SFP Port Threshold Violation

Notification sent when Digital Diagnostics Monitoring exceeds the threshold. The notification contains the OmniSwitch IP Address/Hostname, SFP interface/port number, the alarm type and value.

SPB Adjacent State Change

Notification sent when SPB adjacent OmniSwitch is unreachable. The notification contains the OmniSwitch IP Address/Hostname, Adjacent OmniSwitch System ID, interface/port number.

Stellar AP Channel Utilization Exceeded Threshold

Notification sent when the WLAN Stellar AP Channel Utilization Exceeded the threshold for a specific radio band. WLAN Clients could be unable to associate with AP if Load Balancing or/and Band Steering features are disabled.

Stellar AP Client Association Refused

WLAN Stellar AP Client association was refused for one of the following reasons:

  • WLAN WIPS Detects a WLAN Attack and added the Clients MAC Address into the BlackList, as per policy

  • Clients MAC Address is blocked by WLAN Access List

  • Client cannot associate with SSID because it violated either the Period Policy or Location Policy

  • Client cannot associate with SSID because the Radius Access Policy does not match with the Radius request

 

Stellar AP Firmware Upgrade

Notification sent when an upgrade is done on WLAN Stellar AP. The notification contains the WLAN Stellar AP IP Address and the release upgrade.

Stellar AP Internal Error

Notification sent when the unhandled exception occurred on WLAN Stellar AP. Please contact ALE Customer Support.

Stellar AP Limit Reached

Notification sent when a Stellar AP reaches a software limit which could lead to WLAN Client association failure.

Stellar AP Power Failure

Notification sent when an unexpected reboot is detected on WLAN Stellar AP. Please check the lanpower status on OmniSwitch.

Stellar AP Radius Server Unreachable 

WLAN Stellar AP Client authentication is failing because the Radius Authentication Server is unreachable for one of the following reasons:

  • Radius Server unreachable

  • Radius Server failover

 

Stellar Dynamic Radio Management

Notification sent when channel overlapping is detected or when the channel is updated by DRM. Syslogs for AP Debug and Wireless log level must be set to INFORMATIONAL

Stellar Low SNR

Notification sent when SNR value measured between AP and client is lower than 25dB.

TCAM Exceptions

Notification sent when one of the following TCAM issues occurs

  • Attempt to delete a rule which ID can't be found

  • Attempt to create a rule while memory is full

 

VFL Link DOWN

Notification sent when VFL interface status is DOWN. The notification contains the OmniSwitch IP Address/Hostname, Chassis/Slot and VFL Port.

Virtual Chassis Takeover

Notification sent when an action is executed on a Virtual Chassis (takeover, reload, unit down). The notification contains the OmniSwitch IP Address/Hostname, action, and unit ID (depending on the use case).

Deprecated Anomalies / Anomalies Changes

The following table lists deprecated anomalies or changes by release.

For AOS 8.x Supported Platforms

NA

For AOS 5.x Supported Platforms

NA

For WAOS Supported Platforms

NA

Open Problem Reports and Feature Exceptions

The problems listed here include problems known at the time of the anomalies release.

CR

Description

Workaround

CRONA-xx

NA

NA

Fixed Problem Reports

CR/PR

NUMBER

Description

Case:

00725905

CRONA-23

Summary:

“Stellar internal error” watchdog: an error in fine-tuning is occurring incorrectly, with the anomaly being detected from the switch instead of the AP. 

🔒Click for Additional Information

Case:

00733470

CRONA-28

Summary:

DDos attack anomaly port-scan type is not detected and user is not notified in rainbow. 

🔒Click for Additional Information

Case:

00459042

CRONA-57

OmniVista Network Advisor 1.2: Stellar DRM watchdog detecting the channel as 0 in overlap case and 5G High instead of 6G in case of DRM 

🔒 Click for Additional Information

00459042

CRONA-57

OmniVista Network Advisor 1.2: Stellar DRM watchdog detecting the channel as 0 in overlap case and 5G High instead of 6G in case of DRM

🔒 Click for Additional Information

Anomalies Matrix

The following is the anomalies/OmniSwitch 8.x matrix for OmniVista Network Advisor Release 1.3

Note: Click the "Expand Table" button image-20240618-093840.png to view the table in full screen mode.

AOS

6360

6465

6560

OS6570M

6860(E)

6860N

6865

6900

6900-
V72/
C32

6900-
X48C6
T48C6
X48C4E
V48C8
C32ET24C2
X24C2

9900

Anomalies

 

 

 

 

 

 

 

 

 

BGP Peer State Changed

N

N

N

N

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

BGP Prefix Threshold Reached

N

N

Y

N

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

DDoS Attack

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

ERP Ring State Change

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

IoT Profiling Service Unreachable

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

IP Address Duplication

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

LinkAgg Down

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

NAAS Licensing Issue

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

Network Loop

N

N

N

N

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

Network Storm

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

OmniSwitch Daemon Error

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

OmniSwitch High Resources Load

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

OmniSwitch Internal Error

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

OmniSwitch Ni Hardware Module Issue

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

OmniSwitch PoE Failure

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

OmniSwitch Radius Server Failure

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

OmniSwitch Service Assurance Failure

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

OmniSwitch Spaning Tree Storm

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

OmniSwitch STP Disabled

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

OmniSwitch User Authentication Failure

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

OmniSwitch Unreachable

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

OSPF Bad LSA Message

N

N

8.9R4

8.9R4

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

OSPF LSA Message Size Exceeds MTU

N

N

8.9R4

8.9R4

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

OSPF Neighbor State Change

N

N

8.9R4

8.9R4

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

Perpetual PoE and Fast PoE Support

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

Port Flapping

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

Port Violation

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

SFP Port Threshold Violation

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

SPB Adjacent State Change

N

N

N

N

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

TCAM Exceptions

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

VFL Link DOWN

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

Virtual Chassis Takeover

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

8.7R2

The following is the anomalies/OmniSwitch 5.x matrix for OmniVista Network Advisor Release 1.3

AOS

2260

2360

Anomalies

 

 

BGP Peer State Changed

N

N

BGP Prefix Threshold Reached

N

N

DDoS Attack

5.2R01

5.2R01

ERP Ring State Change

5.2R01

5.2R01

IoT Profiling Service Unreachable

5.2R01

5.2R01

IP Address Duplication

5.2R01

5.2R01

LinkAgg Down

5.2R01

5.2R01

NAAS Licensing Issue

5.2R01

5.2R01

Network Loop

N

N

Network Storm

5.2R01

5.2R01

OmniSwitch Daemon Error

5.2R01

5.2R01

OmniSwitch High Resources Load

5.2R01

5.2R01

OmniSwitch Internal Error

5.2R01

5.2R01

OmniSwitch Ni Hardware Module Issue

5.2R01

5.2R01

OmniSwitch PoE Failure

5.2R01

5.2R01

OmniSwitch Radius Server Failure

5.2R01

5.2R01

OmniSwitch Service Assurance Failure

5.2R01

5.2R01

OmniSwitch Spaning Tree Storm

5.2R01

5.2R01

OmniSwitch STP Disabled

5.2R01

5.2R01

OmniSwitch User Authentication Failure

5.2R01

5.2R01

OmniSwitch Unreachable

5.2R01

5.2R01

OSPF Bad LSA Message

N

N

OSPF LSA Message Size Exceeds MTU

N

N

OSPF Neighbor State Change

N

N

Perpetual PoE and Fast PoE Support

5.2R01

5.2R01

Port Flapping

5.2R01

5.2R01

Port Violation

5.2R01

5.2R01

SFP Port Threshold Violation

5.2R01

5.2R01

SPB Adjacent State Change

5.2R01

5.2R01

TCAM Exceptions

5.2R01

5.2R01

VFL Link DOWN

5.2R01

5.2R01

Virtual Chassis Takeover

5.2R01

5.2R01

The following is the anomalies/Stellar AP matrix for OmniVista Network Advisor Release 1.3.

WAOS

AP 1201

AP 122x

AP 123x

AP 1251

 

AP 1301

AP1301H

AP 1311

AP 132x

AP 1331

AP 1351

AP 136x

AP 1451

Anomalies

 

 

 

IoT Profiling Service

4.0.3MR3

4.0.3MR3

4.0.3MR3

Stellar AP Channel Utilization Exceed Threshold

4.0.3MR3

4.0.3MR3

4.0.3MR3

Stellar AP Client Association Refused

4.0.3MR3

4.0.3MR3

4.0.3MR3

Stellar AP Firmware Upgrade

4.0.3MR3

4.0.3MR3

4.0.3MR3

Stellar AP Internal Error

4.0.3MR3

4.0.3MR3

4.0.3MR3

Stellar AP Limit Reached

4.0.3MR3

4.0.3MR3

4.0.3MR3

Stellar AP Power Failure

4.0.3MR3

4.0.3MR3

4.0.3MR3

Stellar AP Radius Server Unreachable

4.0.3MR3

4.0.3MR3

4.0.3MR3

Stallar AP Dynamic Radio Management

4.0.3MR3

4.0.3MR3

4.0.3MR3

Stellar AP Low SNR

4.0.3MR3

4.0.3MR3

4.0.3MR3

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