RARE/freeRouter - Link State IGP performance and neighbor count

scope:local to freeRouter node

freeRouter Prometheus configuration: (copy & paste in freeRouter CLI)

• Create hardware and software sensor

sensor lsigp4int
path lsigp4int/peer/peer
prefix freertr-lsigp4int
key name lsigp4int/peer
command sho ipv4 ospf 1 interface
prepend lsigp4_iface_
name 0 proto="ospf1",ifc=
replace \. _
column 1 name neighbors
.
exit
sensor lsigp4peer
path lsigp4peer/peer/peer
prefix freertr-lsigp4peer
key name lsigp4peer/peer
command sho ipv4 ospf 1 topology 0 | inc reach
prepend lsigp4_peers_
name 0 proto="ospf1",node=
replace . _
column 2 name reachable
column 2 replace false 0
column 2 replace true 1
column 3 name neighbors
.
exit
sensor lsigp4perf
path lsigp4perf/peer/peer
prefix freertr-lsigp4perf
key name lsigp4perf/peer
command sho ipv4 ospf 1 spf 0 | inc reachable|fill|calc|run
prepend lsigp4_perf_
labels proto="ospf1"
skip 0
column 1 name val
.
exit
sensor lsigp6int
path lsigp6int/peer/peer
prefix freertr-lsigp6int
key name lsigp6int/peer
command sho ipv6 ospf 1 interface
prepend lsigp6_iface_
name 0 proto="ospf1",ifc=
replace . _
column 1 name neighbors
.
exit
sensor lsigp6peer
path lsigp6peer/peer/peer
prefix freertr-lsigp6peer
key name lsigp6peer/peer
command sho ipv6 ospf 1 topology 0 | inc reach
prepend lsigp6_peers_
name 0 proto="ospf1",node=
replace . _
replace / _
column 2 name reachable
column 2 replace false 0
column 2 replace true 1
column 3 name neighbors
.
exit
sensor lsigp6perf
path lsigp6perf/peer/peer
prefix freertr-lsigp6perf
key name lsigp6perf/peer
command sho ipv6 ospf 1 spf 0 | inc reachable|fill|calc|run
prepend lsigp6_perf_
labels proto="ospf1"
skip 0
column 1 name val
.
exit

• freeRtr server Prometheus agent configuration

server prometheus pr
 sensor lsigp4int
 sensor lsigp4peer
 sensor lsigp4perf
 sensor lsigp6int
 sensor lsigp6peer
 sensor lsigp6perf
 vrf <PROMETHEUS_VRF>
 exit

• Prometheus server configuration (sample config with 2 nodes)

global:
  scrape_interval: 15s
  scrape_timeout: 10s
  evaluation_interval: 30s
alerting:
  alertmanagers:
  - static_configs:
    - targets: []
    scheme: http
    timeout: 10s
scrape_configs:
- job_name: router
  scrape_interval: 15s
  scrape_timeout: 10s
  metrics_path: /metrics
  scheme: http
  static_configs:
  - targets:
    - <prometheus_agent_ip_1>:9001
    labels:
      node_name: <prometheus_agent_1_node_name>
  - targets:
    - <prometheus_agent_ip_2>:9001
    labels:
      node_name: <prometheus_agent_2_node_name>