Created
April 22, 2025 22:31
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Juniper SRX DynDNS event config that works with any HTTP/HTTPS based updater service
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set event-options policy dyn-dns-updater-1 events [ snmp_trap_link_up every-month ] | |
set event-options policy dyn-dns-updater-1 attributes-match snmp_trap_link_up.interface-name matches pp0.0 | |
set event-options policy dyn-dns-updater-1 then execute-commands commands "file delete /var/tmp/dyndnsupdate.log" | |
set event-options policy dyn-dns-updater-1 then execute-commands commands "ping 1 count 20 interval 1 wait 1" | |
set event-options policy dyn-dns-updater-1 then execute-commands commands "file copy http://<USERNAME>:<PASSWORD>@dynupdate.no-ip.com/nic/update?hostname=<DNS-NAME> /var/tmp/dyndnsupdate.log" | |
set event-options policy dyn-dns-updater-1 then execute-commands output-format text | |
set event-options traceoptions file eventd size 1m world-readable | |
set event-options traceoptions flag all | |
## | |
## Tested with duckdns, tunnelbroker, and many others. | |
## | |
## Credit to : https://community.juniper.net/discussion/is-it-possible-to-use-no-ip-for-dynamic-dns | |
## | |
## to "fake" a test: | |
## admin@MySRX01> start shell | |
## %logger -e SNMP_TRAP_LINK_UP -a interface-name=pp0.0 | |
## | |
## give it 60 seconds then: | |
## %cat /var/tmp/dyndnsupdate.log | |
## good 111.209.63.208% |
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