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add description for new check-services feature

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Steve Lewis AB7PA 2022-07-21 15:00:47 -07:00 committed by WU2S
parent 7b4ca6d92e
commit 4f5c4c3b79
1 changed files with 4 additions and 2 deletions
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arednGettingStarted/advanced_config.rst
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@ -175,9 +175,9 @@ DHCP Address Reservations
Once you have entered the values for your DHCP Reservation, click *Add* to add it to the list. You may also remove an existing reservation by clicking the *Del* button to delete it from the list. Click the **Save Changes** button to write your changes to the node's configuration. Once you have entered the values for your DHCP Reservation, click *Add* to add it to the list. You may also remove an existing reservation by clicking the *Del* button to delete it from the list. Click the **Save Changes** button to write your changes to the node's configuration.
Advertised Services Advertised Services
*Advertised Services* include the required applications, programs, or functions that are available to devices on the mesh network. The purpose of the network is to transport data for the services which are being used. Network services may include keyboard-to-keyboard chat or email programs, document sharing applications, Voice over IP phone or video conferencing services, streaming video from surveillance cameras, and a variety of other network-enabled features. Services can run on the node itself or on any of its LAN-connected devices. *Advertised Services* include the applications, programs, or functions that are available to devices on the mesh network. The purpose of the network is to transport data for the services which are being used. Network services may include keyboard-to-keyboard chat or email programs, document sharing applications, Voice over IP phone or video conferencing services, streaming video from surveillance cameras, and a variety of other network-enabled features.
Remember that AREDN |trade| nodes have limited system resources with which to run services, so installing add-on services directly on the mesh node should be avoided because the node could become unstable if sufficient resources are not available for normal operation, particularly on devices with only 32 MB of memory. It is a best practice to run services on an external computer connected to the node's LAN network. In the example above you can see that an external host has been given a reserved DHCP address, and it is also running the *MeshChat* program as a service that is advertised on the network through this node. Use the following steps to create an Advertised Service. Services can run on the node itself or on any of its LAN-connected devices. Remember that AREDN |trade| nodes have limited system resources with which to run services, so installing add-on services directly on the node should be avoided because the node could become unstable if sufficient resources are not available for normal operation, particularly on devices with only 32 MB of memory. It is best practice to run services on an external computer connected to the node's LAN network. In the example above you can see that an external host has been given a reserved DHCP address, and it is also running the *MeshChat* program as a service that is advertised on the network through this node. Use the following steps to create an Advertised Service.
Name Name
Enter a service name in the *Name* field. Enter a service name in the *Name* field.
@ -196,6 +196,8 @@ Advertised Services
Once you have entered the values for your advertised service, click *Add* to add the service to the **Advertised Services** list. You may also remove an existing advertised service by clicking the *Del* button to delete it from the list. Click the **Save Changes** button to write your changes to the node's configuration. A reboot is not required, and your new settings should take effect within thirty seconds. Once you have entered the values for your advertised service, click *Add* to add the service to the **Advertised Services** list. You may also remove an existing advertised service by clicking the *Del* button to delete it from the list. Click the **Save Changes** button to write your changes to the node's configuration. A reboot is not required, and your new settings should take effect within thirty seconds.
**olsrd** propagates service entries to other nodes across the network. Once every hour your node will verify that its own service entries are valid. Your node will not propagate entries across the network if it determines that the host is unpingable, or that there is no service listening on the specified port, or if the HTTP link does not return a *success* status code. The node's *Advertised Services* list will still show the defined service, but your node will not actually advertise that service on the network. If the service URL becomes reachable in the future, then your node will resume advertising it across the network.
Port Forwarding Port Forwarding
In Direct mode you will only be allowed to select the WAN interface so Port Forwarding is only meaningful for WAN-connected nodes. Enter the Outside Port being passed to your node from its upstream gateway, select a LAN host to process the requests, and enter the LAN Port on that host which is listening for those requests. Finally, click *Add* to add the port forwarding rule. You may also remove an existing rule by clicking the *Del* button to delete it from the list. Click the **Save Changes** button to write your port forwarding changes to the node's configuration. More information can be found at this link for `Port Forwarding <https://en.wikipedia.org/wiki/Port_forwarding>`_. In Direct mode you will only be allowed to select the WAN interface so Port Forwarding is only meaningful for WAN-connected nodes. Enter the Outside Port being passed to your node from its upstream gateway, select a LAN host to process the requests, and enter the LAN Port on that host which is listening for those requests. Finally, click *Add* to add the port forwarding rule. You may also remove an existing rule by clicking the *Del* button to delete it from the list. Click the **Save Changes** button to write your port forwarding changes to the node's configuration. More information can be found at this link for `Port Forwarding <https://en.wikipedia.org/wiki/Port_forwarding>`_.