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# you can disable an alarm notification by setting the 'to' line to: silent
# -----------------------------------------------------------------------------
# net traffic overflow
template: interface_speed
on: net.net
class: Latency
type: System
component: Network
calc: ( $nic_speed_max > 0 ) ? ( $nic_speed_max / 1000) : ( nan )
units: Mbit
every: 10s
info: Network interface ${label:device} current speed
template: 1m_received_traffic_overflow
on: net.net
class: Workload
type: System
component: Network
host labels: _os=linux windows
lookup: average -1m unaligned absolute of received
calc: ($interface_speed > 0) ? ($this * 100 / ($interface_speed * 1000)) : ( nan )
units: %
every: 10s
warn: $this > (($status >= $WARNING) ? (85) : (90))
delay: up 1m down 1m multiplier 1.5 max 1h
summary: System network interface ${label:device} inbound utilization
info: Average inbound utilization for the network interface ${label:device} over the last minute
to: silent
template: 1m_sent_traffic_overflow
on: net.net
class: Workload
type: System
component: Network
host labels: _os=linux windows
lookup: average -1m unaligned absolute of sent
calc: ($interface_speed > 0) ? ($this * 100 / ($interface_speed * 1000)) : ( nan )
units: %
every: 10s
warn: $this > (($status >= $WARNING) ? (85) : (90))
delay: up 1m down 1m multiplier 1.5 max 1h
summary: System network interface ${label:device} outbound utilization
info: Average outbound utilization for the network interface ${label:device} over the last minute
to: silent
# -----------------------------------------------------------------------------
# dropped packets
# check if an interface is dropping packets
# the alarm is checked every 1 minute
# and examines the last 10 minutes of data
#
# it is possible to have expected packet drops on an interface for some network configurations
# look at the Monitoring Network Interfaces section in the proc.plugin documentation for more information
template: net_interface_inbound_packets
on: net.packets
class: Workload
type: System
component: Network
lookup: sum -10m unaligned absolute of received
units: packets
every: 1m
summary: Network interface ${label:device} received packets
info: Received packets for the network interface ${label:device} in the last 10 minutes
template: net_interface_outbound_packets
on: net.packets
class: Workload
type: System
component: Network
lookup: sum -10m unaligned absolute of sent
units: packets
every: 1m
summary: Network interface ${label:device} sent packets
info: Sent packets for the network interface ${label:device} in the last 10 minutes
template: inbound_packets_dropped_ratio
on: net.drops
class: Errors
type: System
component: Network
chart labels: device=!wl* *
lookup: sum -10m unaligned absolute of inbound
calc: (($net_interface_inbound_packets > 10000) ? ($this * 100 / $net_interface_inbound_packets) : (0))
units: %
every: 1m
warn: $this >= 2
delay: up 1m down 1h multiplier 1.5 max 2h
summary: System network interface ${label:device} inbound drops
info: Ratio of inbound dropped packets for the network interface ${label:device} over the last 10 minutes
to: silent
template: outbound_packets_dropped_ratio
on: net.drops
class: Errors
type: System
component: Network
chart labels: device=!wl* *
lookup: sum -10m unaligned absolute of outbound
calc: (($net_interface_outbound_packets > 1000) ? ($this * 100 / $net_interface_outbound_packets) : (0))
units: %
every: 1m
warn: $this >= 2
delay: up 1m down 1h multiplier 1.5 max 2h
summary: System network interface ${label:device} outbound drops
info: Ratio of outbound dropped packets for the network interface ${label:device} over the last 10 minutes
to: silent
template: wifi_inbound_packets_dropped_ratio
on: net.drops
class: Errors
type: System
component: Network
host labels: _os=linux
chart labels: device=wl*
lookup: sum -10m unaligned absolute of received
calc: (($net_interface_inbound_packets > 10000) ? ($this * 100 / $net_interface_inbound_packets) : (0))
units: %
every: 1m
warn: $this >= 10
delay: up 1m down 1h multiplier 1.5 max 2h
summary: System network interface ${label:device} inbound drops ratio
info: Ratio of inbound dropped packets for the network interface ${label:device} over the last 10 minutes
to: silent
template: wifi_outbound_packets_dropped_ratio
on: net.drops
class: Errors
type: System
component: Network
host labels: _os=linux
chart labels: device=wl*
lookup: sum -10m unaligned absolute of sent
calc: (($net_interface_outbound_packets > 1000) ? ($this * 100 / $net_interface_outbound_packets) : (0))
units: %
every: 1m
warn: $this >= 10
delay: up 1m down 1h multiplier 1.5 max 2h
summary: System network interface ${label:device} outbound drops ratio
info: Ratio of outbound dropped packets for the network interface ${label:device} over the last 10 minutes
to: silent
# -----------------------------------------------------------------------------
# interface errors
template: interface_inbound_errors
on: net.errors
class: Errors
type: System
component: Network
host labels: _os=freebsd
lookup: sum -10m unaligned absolute of inbound
units: errors
every: 1m
warn: $this >= 5
delay: down 1h multiplier 1.5 max 2h
summary: System network interface ${label:device} inbound errors
info: Number of inbound errors for the network interface ${label:device} in the last 10 minutes
to: silent
template: interface_outbound_errors
on: net.errors
class: Errors
type: System
component: Network
host labels: _os=freebsd
lookup: sum -10m unaligned absolute of outbound
units: errors
every: 1m
warn: $this >= 5
delay: down 1h multiplier 1.5 max 2h
summary: System network interface ${label:device} outbound errors
info: Number of outbound errors for the network interface ${label:device} in the last 10 minutes
to: silent
# -----------------------------------------------------------------------------
# FIFO errors
# check if an interface is having FIFO
# buffer errors
# the alarm is checked every 1 minute
# and examines the last 10 minutes of data
template: 10min_fifo_errors
on: net.fifo
class: Errors
type: System
component: Network
host labels: _os=linux
lookup: sum -10m unaligned absolute
units: errors
every: 1m
warn: $this > 0
delay: down 1h multiplier 1.5 max 2h
summary: System network interface ${label:device} FIFO errors
info: Number of FIFO errors for the network interface ${label:device} in the last 10 minutes
to: silent
# -----------------------------------------------------------------------------
# check for packet storms
# 1. calculate the rate packets are received in 1m: 1m_received_packets_rate
# 2. do the same for the last 10s
# 3. raise an alarm if the later is 10x or 20x the first
# we assume the minimum packet storm should at least have
# 10000 packets/s, average of the last 10 seconds
template: 1m_received_packets_rate
on: net.packets
class: Workload
type: System
component: Network
lookup: average -1m unaligned of received
units: packets
every: 10s
info: Average number of packets received by the network interface ${label:device} over the last minute
template: 10s_received_packets_storm
on: net.packets
class: Workload
type: System
component: Network
lookup: average -10s unaligned of received
calc: $this * 100 / (($1m_received_packets_rate < 1000)?(1000):($1m_received_packets_rate))
every: 10s
units: %
warn: $this > (($status >= $WARNING)?(200):(5000))
crit: $this > (($status == $CRITICAL)?(5000):(6000))
options: no-clear-notification
summary: System network interface ${label:device} inbound packet storm
info: Ratio of average number of received packets for the network interface ${label:device} over the last 10 seconds, \
compared to the rate over the last minute
to: silent
# -----------------------------------------------------------------------------
# output queue length
template: network_interface_output_queue_length
on: net.queue_length
class: Errors
type: System
component: Network
host labels: _os=windows
units: packets
every: 10s
warn: $length > 2
delay: up 1m down 1m multiplier 1.5 max 1h
summary: System network interface ${label:device} output queue length
info: The Output Queue Length on interface ${label:device} should be zero, otherwise there are delays and bottlenecks.
to: silent
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