YueGuobin 540e1c5678
config: set marker_listen_port default to 3070 and document in config templates
Change the marker UDP sink default from port=0 (OS-chosen) to 3070 for
predictable firewall/debugging/monitoring.

Add marker_listen_host and marker_listen_port with documentation to
config_samples/gns3_server.conf and scripts/gns3_server.conf.
2026-07-16 00:39:51 +08:00
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