Normally it is good to just have the Storage Manager Agent or Proxy Agent running on a server as the only application. Unfortunately this cannot always be the case. There are situations where a user will run multiple applications on the same server with the Agent. At times there will also be multiple NIC cards on the server to cater to the different applications which may be routing to different subnets. In this type or scenario the Agent will use the first available NIC card on the server thus meaning it could cause traps to route to the wrong subnet causing the Storage Manager Server to loose visibility to the Agent. If the Agent is installed on a server with 2 or more installed network cards, then the core.xml file on the Agent must be manually updated to define the IP address for the network card you want associated with sending messages to the Storage Manager Server. For example, if eth0 and eth1 are installed on your server, and eth1 is used to send traps, you must associate the eth1 IP address to the Agent by following these instructions. By doing this you will allow the Agent to route traps to the Storage Manager Server.
For Windows servers complete the following steps:
Navigate to \Storage Manager Agent\. Example: C:\Program Files\SolarWinds\Storage Manager Agent\
Open core.xml in a text editor.
Enter the IP address of the network card you want associated with sending traps.
Save the file.
Restart the Storage Manager Agent Service.
For Linux Servers, complete the following steps:
Open /etc/hosts in a text editor.
Keep the default options, and add the IP address, domain, and hostnames for the network card you want associated with sending traps.
Save the file.
Make sure the core.xml file includes the IP address in the /etc/hosts file.
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