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Network

Network | BFD | Session Down

Variables

Name Description Defaults
interface BFD interface
peer BFD Peer
description Interface description

Related Events

Event Class Role
Network | BFD | Session Down opening event
Network | BFD | Session Up closing event

Network | BGP | Peer Down

Variables

Name Description Defaults
peer BGP Peer
vrf VRF
reason Reason
as BGP Peer AS
local_as Local AS
description BGP Peer Description
import_filter BGP Import Filter
export_filter BGP Export Filter

Related Events

Event Class Role
Network | BGP | Backward Transition opening event
Network | BGP | Established closing event
Network | BGP | Peer Down opening event
Network | BGP | Peer State Changed opening event
Network | BGP | Peer State Changed closing event

Network | BGP | Prefix Limit Exceeded

Variables

Name Description Defaults
peer BGP Peer
vrf VRF
as BGP Peer AS

Related Events

Event Class Role
Network | BGP | Established closing event
Network | BGP | Peer State Changed closing event
Network | BGP | Prefix Limit Exceeded opening event

Network | CEF | Resource Failure

Variables

Name Description Defaults
peer BFD Peer
reason Reason failed

Related Events

Event Class Role
Network | CEF | Resource Failure opening event

Network | DHCP | Untrusted Server

Variables

Name Description Defaults
ip Source IP
interface Source interface

Related Events

Event Class Role
Network | DHCP | Untrusted Server opening event

Network | DNS | Bad Query

Variables

Name Description Defaults
ip Source IP

Related Events

Event Class Role
Network | DNS | Bad Query opening event

Network | DOCSIS | BPI Unautorized

Probable Causes

An unauthorized cable modem has been deleted to enforce BPI authorization for the specified cable modem. The specified cable modem was not performing BPI negotiation.

Recommended Actions

Check the modem interface configuration for privacy mandatory, or check for errors in the TFTP configuration file.

Variables

Name Description Defaults
mac Cable Modem MAC
sid Cable Modem SID
interface Cable interface

Related Events

Event Class Role
Network | DOCSIS | BPI Unautorized opening event

Network | DOCSIS | Bad Timing Offset

Probable Causes

The cable modem is not using the correct starting offset during initial ranging, causing a zero, negative timing offset to be recorded by the CMTS for this modem. The CMTS internal algorithms that rely on the timing offset parameter will not analyze any modems that do not use the correct starting offset. The modems may not be able to function, depending on their physical location on the cable plant.

Recommended Actions

Locate the cable modem based on the MAC address and report the initial timing offset problem to the cable modem vendor.

Variables

Name Description Defaults
mac Cable Modem MAC
sid Cable Modem SID
offset Time offset

Related Events

Event Class Role
Network | DOCSIS | Bad Timing Offset opening event

Network | DOCSIS | Invalid CoS

Probable Causes

The registration of the specified modem has failed because of an invalid or unsupported CoS setting.

Recommended Actions

Ensure that the CoS fields in the configuration file are set correctly.

Variables

Name Description Defaults
mac Cable Modem MAC
sid Cable Modem SID
interface Cable interface

Related Events

Event Class Role
Network | DOCSIS | Invalid CoS opening event

Network | DOCSIS | Invalid DOCSIS Message

Probable Causes

A cable modem that is not DOCSIS-compliant has attempted to send an invalid DOCSIS message.

Recommended Actions

Locate the cable modem that sent this message and replace it with DOCSIS-compliant modem.

Variables

Name Description Defaults
interface Cable interface
mac Cable Modem MAC
sid Cable Modem SID

Related Events

Event Class Role
Network | DOCSIS | Invalid DOCSIS Message opening event

Network | DOCSIS | Invalid QoS

Probable Causes

The registration of the specified modem has failed because of an invalid or unsupported QoS setting.

Recommended Actions

Ensure that the QoS fields in the configuration file are set correctly.

Variables

Name Description Defaults
mac Cable Modem MAC
sid Cable Modem SID
interface Cable interface

Related Events

Event Class Role
Network | DOCSIS | Invalid QoS opening event

Network | DOCSIS | Invalid Shared Secret

Probable Causes

The registration of this modem has failed because of an invalid MIC string.

Recommended Actions

Ensure that the shared secret that is in the configuration file is the same as the shared secret that is configured in the cable modem.

Variables

Name Description Defaults
mac Cable Modem MAC
sid Cable Modem SID
interface Cable interface

Related Events

Event Class Role
Network | DOCSIS | Invalid Shared Secret opening event

Network | DOCSIS | Max CPE Reached

Probable Causes

The maximum number of devices that can be attached to the cable modem has been exceeded. Therefore, the device with the specified IP address will not be added to the modem with the specified SID.

Recommended Actions

Locate the specified device and place the device on a different cable modem with another SID.

Variables

Name Description Defaults
mac CPE MAC
ip CPE IP
modem_mac Cable Modem MAC
sid Cable Modem SID
interface Cable interface

Related Events

Event Class Role
Network | DOCSIS | Max CPE Reached opening event

Network | DOCSIS | Maximum Capacity Reached

Probable Causes

The currently reserved capacity on the upstream channel already exceeds its virtual reservation capacity, based on the configured subscription level limit. Increasing the subscription level limit on the current upstream channel will place you at risk of being unable to guarantee the individual reserved rates for modems since this upstream channel is already oversubscribed.

Recommended Actions

Load-balance the modems that are requesting the reserved upstream rate on another upstream channel.

Variables

Name Description Defaults
interface Cable interface
upstream Upstream
cur_bps Current bps reservation
res_bps Reserved bps

Related Events

Event Class Role
Network | DOCSIS | Maximum Capacity Reached opening event

Network | DOCSIS | Maximum SIDs

Probable Causes

The maximum number of SIDs has been allocated to the specified line card.

Recommended Actions

Assign the cable modem to another line card.

Variables

Name Description Defaults
interface Cable interface

Related Events

Event Class Role
Network | DOCSIS | Maximum SIDs opening event

Network | EIGRP | Neighbor Down

Symptoms

Routing table changes and possible lost of connectivity

Probable Causes

Link failure or protocol misconfiguration

Recommended Actions

Check links and local and neighbor router configuration

Variables

Name Description Defaults
as EIGRP autonomus system
interface Interface
neighbor Neighbor's Router ID
reason Adjacency lost reason
description Interface description

Related Events

Event Class Role
Network | EIGRP | Neighbor Down opening event
Network | EIGRP | Neighbor Up closing event

Network | IMPB | Unauthenticated IP-MAC

Symptoms

Discard user connection attempts

Recommended Actions

Check user IP and MAC, check IMPB entry, check topology

Variables

Name Description Defaults
ip User IP
mac User MAC
interface Affected interface
description Interface description

Related Events

Event Class Role
Network | IMPB | Recover IMPB stop learning state closing event
Network | IMPB | Unauthenticated IP-MAC opening event

Network | IP | ARP Moved

Variables

Name Description Defaults
interface BFD interface
ip IP
from_mac From MAC
to_mac To MAC

Related Events

Event Class Role
Network | IP | ARP Moved opening event

Network | IP | Address Conflict

Variables

Name Description Defaults
ip Conflicting IP
mac MAC
interface Interface

Related Events

Event Class Role
Network | IP | Address Conflict opening event

Network | IP | IP Flap

Variables

Name Description Defaults
ip Flapped IP
from_interface From interface
to_interface To interface
mac MAC

Related Events

Event Class Role
Network | IP | IP Flap opening event

Network | IS-IS | Adjacency Down

Symptoms

Routing table changes and possible lost of connectivity

Probable Causes

Link failure or protocol misconfiguration

Recommended Actions

Check links and local and neighbor router configuration

Variables

Name Description Defaults
interface Interface
neighbor Neighbor's NSAP or name
level Level
reason Adjacency lost reason

Related Events

Event Class Role
Network | IS-IS | Adjacency Down opening event
Network | IS-IS | Adjacency Up closing event

Network | LBD | Loop Detected

Recommended Actions

Check hardware link and topology

Variables

Name Description Defaults
interface interface
description Interface description

Related Events

Event Class Role
Network | LBD | Loop Cleared closing event
Network | LBD | Loop Detected opening event

Network | LBD | Vlan Loop Detected

Symptoms

Lost traffic on specific vlan

Recommended Actions

Check topology or use STP to avoid loops

Variables

Name Description Defaults
interface interface
vlan Vlan
description Interface description
vlan_name Vlan name
vlan_description Vlan description
vlan_l2_domain L2 domain

Related Events

Event Class Role
Network | LBD | Vlan Loop Cleared closing event
Network | LBD | Vlan Loop Detected opening event

Symptoms

Connection lost

Variables

Name Description Defaults
interface Physical port
threshold Threshold type
sensor Measured name
ovalue Operating value
tvalue Threshold value
description Interface description

Related Events

Event Class Role
Network | Link | DOM | Alarm: Out of Threshold opening event
Network | Link | DOM | Alarm: Out of Threshold Recovered closing event

Symptoms

Connection lost

Variables

Name Description Defaults
interface Physical port
threshold Threshold type
sensor Measured name
ovalue Operating value
tvalue Threshold value
description Interface description

Related Events

Event Class Role
Network | Link | DOM | Warning: Out of Threshold opening event
Network | Link | DOM | Warning: Out of Threshold Recovered closing event

Variables

Name Description Defaults
interface interface name
description Interface description

Related Events

Event Class Role
Network | Link | Duplex Mismatch opening event

Variables

Name Description Defaults
interface interface name
reason err-disable reason
description Interface description

Related Events

Event Class Role
Network | Link | Err-Disable opening event
Network | Link | Link Flap Error Detected opening event
Network | Link | Link Flap Error Recovery closing event
Network | Link | Link Up closing event

Variables

Name Description Defaults
interface interface name
description Interface description

Related Events

Event Class Role
Network | Link | Full-Duplex closing event
Network | Link | Half-Duplex opening event

Symptoms

Connection lost

Probable Causes

Administrative action, cable damage, hardware or software error either from this or from another side

Recommended Actions

Check configuration, both sides of links and hardware

Variables

Name Description Defaults
interface interface name
description Interface description
link Link ID

Related Events

Event Class Role
Network | Link | Link Down opening event
Network | Link | Link Up closing event

Network | MAC | Duplicate MAC

Variables

Name Description Defaults
mac MAC Address
one_interface First interface
two_interface Second interface
one_description Interface description
two_description Interface description

Related Events

Event Class Role
Network | MAC | Duplicate MAC opening event

Network | MAC | Invalid MAC

Variables

Name Description Defaults
mac MAC Address
interface Affected interface
vlan Affected vlan
description Interface description

Related Events

Event Class Role
Network | MAC | Invalid MAC opening event

Variables

Name Description Defaults
mac_limit MAC Address Limit
utilization Utilization
interface Interface

Related Events

Event Class Role
Network | MAC | Link MAC Exceed opening event

Network | MAC | MAC Flap

Probable Causes

The system found the specified host moving between the specified ports.

Recommended Actions

Examine the network for possible loops.

Variables

Name Description Defaults
mac MAC Address
vlan VLAN
from_interface From interface
to_interface To interface
from_description Interface description
to_description Interface description
vlan_name Vlan name
vlan_description Vlan description
vlan_l2_domain L2 domain

Related Events

Event Class Role
Network | MAC | MAC Flap opening event

Network | MAC | MAC Flood

Variables

Name Description Defaults
mac MAC Address
vlan VLAN
interface Interface
vlan_name Vlan name
vlan_description Vlan description
vlan_l2_domain L2 domain

Related Events

Event Class Role
Network | MAC | MAC Flood opening event

Network | MPLS | LDP Neighbor Down

Variables

Name Description Defaults
neighbor LDP Neighbor
state State
reason Reason

Related Events

Event Class Role
Network | MPLS | LDP Neighbor Down opening event
Network | MPLS | LDP Neighbor Up closing event

Network | MPLS | LDP Session Down

Variables

Name Description Defaults
interface interface name
state State
reason Reason

Related Events

Event Class Role
Network | MPLS | LDP Session Down opening event
Network | MPLS | LDP Session Up closing event

Network | MPLS | LSP Down

Variables

Name Description Defaults
name LSP name
state State
reason Reason

Related Events

Event Class Role
Network | MPLS | LSP Down opening event
Network | MPLS | LSP Up closing event

Network | MPLS | Path Down

Variables

Name Description Defaults
name Path name
reason Reason

Related Events

Event Class Role
Network | MPLS | Path Down opening event
Network | MPLS | Path Up closing event

Network | MPLS | TDP Neighbor Down

Variables

Name Description Defaults
neighbor TDP Neighbor
reason Reason

Related Events

Event Class Role
Network | MPLS | TDP Neighbor Down opening event
Network | MPLS | TDP Neighbor Up closing event

Network | MSDP | Peer Down

Recommended Actions

Check msdp peer aviability, check msdp peer configuration changes

Variables

Name Description Defaults
peer Peer's IP
vrf VRF
reason Reason

Related Events

Event Class Role
Network | MSDP | Peer Down opening event
Network | MSDP | Peer Up closing event

Network | Monitor | CRC Error Detected

Variables

Name Description Defaults
interface interface
description Interface description

Related Events

Event Class Role
Network | Monitor | CRC Error Cleared closing event
Network | Monitor | CRC Error Detected opening event

Network | OSPF | Neighbor Down

Symptoms

Routing table changes and possible lost of connectivity

Probable Causes

Link failure or protocol misconfiguration

Recommended Actions

Check links and local and neighbor router configuration

Variables

Name Description Defaults
area OSPF area
interface Interface
neighbor Neighbor's Router ID
reason Adjacency lost reason
vrf VRF
description Interface description

Related Events

Event Class Role
Network | OSPF | Neighbor Down opening event
Network | OSPF | Neighbor Up closing event

Network | PIM | DR Change

Symptoms

Some multicast flows lost

Probable Causes

Link failure or protocol misconfiguration

Recommended Actions

Check links and local and neighbor router configuration

Variables

Name Description Defaults
interface Interface
from_dr From DR
to_dr To DR
vrf VRF

Related Events

Event Class Role
Network | PIM | DR Change opening event

Network | PIM | Invalid RP

Probable Causes

A PIM router received a register message from another PIM router that identifies itself as the rendezvous point. If the router is not configured for another rendezvous point, it will not accept the register message.

Recommended Actions

Configure all leaf routers (first-hop routers to multicast sources) with the IP address of the valid rendezvous point.

Variables

Name Description Defaults
pim_router PIM router IP
invalid_rp Invalid RP IP

Related Events

Event Class Role
Network | PIM | Invalid RP opening event

Network | PIM | MSDP Peer Down

Symptoms

Multicast flows lost

Probable Causes

Link failure or protocol misconfiguration

Recommended Actions

Check links and local and neighbor router configuration

Variables

Name Description Defaults
peer Peer's IP
vrf VRF
reason Reason

Related Events

Event Class Role
Network | PIM | MSDP Peer Down opening event
Network | PIM | MSDP Peer Up closing event

Network | PIM | Neighbor Down

Symptoms

Multicast flows lost

Probable Causes

Link failure or protocol misconfiguration

Recommended Actions

Check links and local and neighbor router configuration

Variables

Name Description Defaults
interface Interface
neighbor Neighbor's IP
vrf VRF
reason Reason
description Interface description

Related Events

Event Class Role
Network | PIM | Neighbor Down opening event
Network | PIM | Neighbor Up closing event

Network | Port Security | Port Security Violation

Variables

Name Description Defaults
interface Interface
mac MAC Address
description Interface description

Related Events

Event Class Role
Network | Port Security | Port Security Violation opening event

Network | Port | Loss of Signal

Symptoms

Connection lost

Probable Causes

Administrative action, cable damage, hardware or software error either from this or from another side

Recommended Actions

Check configuration, both sides of links and hardware

Variables

Name Description Defaults
interface interface name
description Interface description
slot Slot name
catrd Card name

Related Events

Event Class Role
Network | Port | Loss of Signal opening event
Network | Port | Loss of Signal Resume closing event

Network | RSVP | Neighbor Down

Symptoms

Routing table changes and possible lost of connectivity

Probable Causes

Link failure or protocol misconfiguration

Recommended Actions

Check links and local and neighbor router configuration

Variables

Name Description Defaults
interface Interface
neighbor Neighbor's NSAP or name
reason Neighbor lost reason

Related Events

Event Class Role
Network | RSVP | Neighbor Down opening event
Network | RSVP | Neighbor Up closing event

Network | STP | BPDU Guard Violation

Variables

Name Description Defaults
interface interface
description Interface description

Related Events

Event Class Role
Network | Link | Link Up closing event
Network | STP | BPDU Guard Recovery closing event
Network | STP | BPDU Guard Violation opening event

Network | STP | Root Guard Violation

Variables

Name Description Defaults
interface interface
description Interface description

Related Events

Event Class Role
Network | Link | Link Up closing event
Network | STP | BPDU Root Violation opening event
Network | STP | Root Guard Recovery closing event

Network | STP | STP Loop Detected

Variables

Name Description Defaults
interface interface
description Interface description

Related Events

Event Class Role
Network | STP | STP Loop Cleared closing event
Network | STP | STP Loop Detected opening event

Network | STP | STP Vlan Loop Detected

Variables

Name Description Defaults
interface interface
vlan vlan
description Interface description
vlan_name Vlan name
vlan_description Vlan description
vlan_l2_domain L2 domain

Related Events

Event Class Role
Network | STP | STP Vlan Loop Cleared closing event
Network | STP | STP Vlan Loop Detected opening event

Network | Storm Control | Broadcast Storm Detected

Variables

Name Description Defaults
interface interface
description Interface description

Related Events

Event Class Role
Network | Storm Control | Broadcast Storm Cleared closing event
Network | Storm Control | Broadcast Storm Detected opening event

Network | Storm Control | Multicast Storm Detected

Variables

Name Description Defaults
interface interface
description Interface description

Related Events

Event Class Role
Network | Storm Control | Multicast Storm Cleared closing event
Network | Storm Control | Multicast Storm Detected opening event

Network | Storm Control | Storm Detected

Variables

Name Description Defaults
interface interface
description Interface description

Related Events

Event Class Role
Network | Storm Control | Storm Cleared closing event
Network | Storm Control | Storm Detected opening event

Network | Storm Control | Unicast Storm Detected

Recommended Actions

Enable DLF (destination lookup failure) filter

Variables

Name Description Defaults
interface interface
description Interface description

Related Events

Event Class Role
Network | Storm Control | Unicast Storm Cleared closing event
Network | Storm Control | Unicast Storm Detected opening event

Network | UDLD | UDLD Protocol Error Detected

Variables

Name Description Defaults
interface interface
description Interface description

Related Events

Event Class Role
Network | UDLD | UDLD Protocol Error Detected opening event
Network | UDLD | UDLD Protocol Recovery closing event