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DPOD can be configured with two network interfaces:

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Use your system administrator assistance to add a second network interface to your virtual machine or physical server.

In some cases, there will be a need to restart the server before the new network will be available.

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Create a New Routing Rule

The routing rule instructs the operating system when to use the new routing table.

1. In order to add a new routing rule entry to the new routing table use the "ip rule" command.
   This command will add a new temporary rule entry.

   Code Block
   ip rule add from <source ip address or subnet> table <routing table name> ip rule add to <destination ip address or subnet> table <routing table name>

   
   For example: The routing rule for monitored device 192.168.1.120 are :are 

   Code Block
   language bash theme RDark
   ip rule add from 192.168.1.120/32 table rt1 ip rule add to 192.168.1.120/32 table rt1

   The specific IP address can be replaced with subnet if subnet rule is appropriate: 192.168.1.0/24
   
   

2. In order to make these entries permanent edit the file /etc/sysconfig/network-scripts/rule-<interface name> and add the following:
   
   

   Code Block
   from <source ip address or subnet> table <routing table name> to <destination ip address or subnet> table <routing table name>

   For example: The routing rule for monitored device 192.168.1.120 are :
   
   

   Code Block
   from 192.168.1.120/32 table rt1 to 192.168.1.120/32 table rt1

   
   

3. To confirm that the new routing rules entries added use the following command to display them:
   
   

   Code Block
   language bash theme RDark
   ip rule show The output should include the following lines: 32764: from all to 192.168.1.120 lookup rt1 32765: from 192.168.1.120 lookup rt1

   
   

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