Difference between revisions of "Monitoring"
From neil.tappsville.com
Jump to navigationJump to searchm |
m (→LibreNMA) |
||
| Line 25: | Line 25: | ||
| − | == | + | ==LibreNMS== |
Generate an Alarm (aka re-raise it) | Generate an Alarm (aka re-raise it) | ||
Latest revision as of 21:42, 2 June 2020
Check Firewall
- UDP
[ ~]$ nc -v -u -z -w 3 targethost 25826 Ncat: Version 7.50 ( https://nmap.org/ncat ) Ncat: Connected to 192.168.1.2:25826. Ncat: UDP packet sent successfully Ncat: 1 bytes sent, 0 bytes received in 2.03 seconds. [ ~]$ nc -v -u -z -w 3 targethost 25828 Ncat: Version 7.50 ( https://nmap.org/ncat ) Ncat: Connected to 192.168.1.2:25828. Ncat: Connection refused.
WAN monitoring - Ethernet OAM - Y.1731
- https://app.netrounds.com/static/2.26/support/task-types/refl/y1731-eth-slm.html
- https://www.cisco.com/c/en/us/support/docs/asynchronous-transfer-mode-atm/operation-administration-maintenance-oam/117457-technote-cfm-00.html
- https://www.juniper.net/documentation/en_US/junos/topics/topic-map/oam-service-overview.html
Essentially a formalised version of Cisco SAA probes You really want to use the two way delay probes but this requires hardware at both ends with accurate clocks and support for it.
LibreNMS
Generate an Alarm (aka re-raise it)
./test-alert.php -r 8 -d -h host
Validate Transport logic but doesnt send anything
./test-template.php -t 0 -h host -r 8 -d
