blob: 33202421feed5d2dc746131c360b560651ac6afe (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
|
# you can disable an alarm notification by setting the 'to' line to: silent
# -----------------------------------------------------------------------------
# net traffic overflow
template: interface_speed
on: net.net
os: *
hosts: *
families: *
calc: ( $nic_speed_max > 0 ) ? ( $nic_speed_max) : ( nan )
units: Mbit
every: 10s
info: network interface current speed
template: 1m_received_traffic_overflow
on: net.net
os: linux
hosts: *
families: *
lookup: average -1m unaligned absolute of received
calc: ($interface_speed > 0) ? ($this * 100 / ($interface_speed)) : ( nan )
units: %
every: 10s
warn: $this > (($status >= $WARNING) ? (85) : (90))
delay: up 1m down 1m multiplier 1.5 max 1h
info: average inbound utilization for the network interface over the last minute
to: sysadmin
template: 1m_sent_traffic_overflow
on: net.net
os: linux
hosts: *
families: *
lookup: average -1m unaligned absolute of sent
calc: ($interface_speed > 0) ? ($this * 100 / ($interface_speed)) : ( nan )
units: %
every: 10s
warn: $this > (($status >= $WARNING) ? (85) : (90))
delay: up 1m down 1m multiplier 1.5 max 1h
info: average outbound utilization for the network interface over the last minute
to: sysadmin
# -----------------------------------------------------------------------------
# dropped packets
# check if an interface is dropping packets
# the alarm is checked every 1 minute
# and examines the last 10 minutes of data
#
# it is possible to have expected packet drops on an interface for some network configurations
# look at the Monitoring Network Interfaces section in the proc.plugin documentation for more information
template: inbound_packets_dropped
on: net.drops
os: linux
hosts: *
families: !net* *
lookup: sum -10m unaligned absolute of inbound
units: packets
every: 1m
info: number of inbound dropped packets for the network interface in the last 10 minutes
template: outbound_packets_dropped
on: net.drops
os: linux
hosts: *
families: !net* *
lookup: sum -10m unaligned absolute of outbound
units: packets
every: 1m
info: number of outbound dropped packets for the network interface in the last 10 minutes
template: inbound_packets_dropped_ratio
on: net.packets
os: linux
hosts: *
families: !net* !wl* *
lookup: sum -10m unaligned absolute of received
calc: (($inbound_packets_dropped != nan AND $this > 1000) ? ($inbound_packets_dropped * 100 / $this) : (0))
units: %
every: 1m
warn: $this >= 2
delay: up 1m down 1h multiplier 1.5 max 2h
info: ratio of inbound dropped packets for the network interface over the last 10 minutes
to: sysadmin
template: outbound_packets_dropped_ratio
on: net.packets
os: linux
hosts: *
families: !net* !wl* *
lookup: sum -10m unaligned absolute of sent
calc: (($outbound_packets_dropped != nan AND $this > 1000) ? ($outbound_packets_dropped * 100 / $this) : (0))
units: %
every: 1m
warn: $this >= 2
delay: up 1m down 1h multiplier 1.5 max 2h
info: ratio of outbound dropped packets for the network interface over the last 10 minutes
to: sysadmin
template: wifi_inbound_packets_dropped_ratio
on: net.packets
os: linux
hosts: *
families: wl*
lookup: sum -10m unaligned absolute of received
calc: (($inbound_packets_dropped != nan AND $this > 1000) ? ($inbound_packets_dropped * 100 / $this) : (0))
units: %
every: 1m
warn: $this >= 10
delay: up 1m down 1h multiplier 1.5 max 2h
info: ratio of inbound dropped packets for the network interface over the last 10 minutes
to: sysadmin
template: wifi_outbound_packets_dropped_ratio
on: net.packets
os: linux
hosts: *
families: wl*
lookup: sum -10m unaligned absolute of sent
calc: (($outbound_packets_dropped != nan AND $this > 1000) ? ($outbound_packets_dropped * 100 / $this) : (0))
units: %
every: 1m
warn: $this >= 10
delay: up 1m down 1h multiplier 1.5 max 2h
info: ratio of outbound dropped packets for the network interface over the last 10 minutes
to: sysadmin
# -----------------------------------------------------------------------------
# interface errors
template: interface_inbound_errors
on: net.errors
os: freebsd
hosts: *
families: *
lookup: sum -10m unaligned absolute of inbound
units: errors
every: 1m
warn: $this >= 5
delay: down 1h multiplier 1.5 max 2h
info: number of inbound errors for the network interface in the last 10 minutes
to: sysadmin
template: interface_outbound_errors
on: net.errors
os: freebsd
hosts: *
families: *
lookup: sum -10m unaligned absolute of outbound
units: errors
every: 1m
warn: $this >= 5
delay: down 1h multiplier 1.5 max 2h
info: number of outbound errors for the network interface in the last 10 minutes
to: sysadmin
# -----------------------------------------------------------------------------
# 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
os: linux
hosts: *
families: *
lookup: sum -10m unaligned absolute
units: errors
every: 1m
warn: $this > 0
delay: down 1h multiplier 1.5 max 2h
info: number of FIFO errors for the network interface in the last 10 minutes
to: sysadmin
# -----------------------------------------------------------------------------
# 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
os: linux freebsd
hosts: *
families: *
lookup: average -1m unaligned of received
units: packets
every: 10s
info: average number of packets received by the network interface over the last minute
template: 10s_received_packets_storm
on: net.packets
os: linux freebsd
hosts: *
families: *
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
info: ratio of average number of received packets for the network interface over the last 10 seconds, \
compared to the rate over the last minute
to: sysadmin
|
