Using the CPU Card Ethernet Ports

The CPU card Ethernet ports are normally connected to a LAN and used to communicate with clients such as EHX and Dynam-EC. The Ethernet port functionality depends on the IP address setup.

If an IP address of 0.0.0.0 is configured on the second Ethernet port, it will not be used for Tx or Rx. This is the default setup if the default IP address is set as described above.

All matrix to matrix traffic is sent out on both Ethernet ports. This applies to both directed and broadcast packets. All matrix to matrix traffic is also received on both Ethernet ports. If the traffic is transaction related, the second (duplicate) message received is not consumed, but simply dropped.

The matrices listen for client connections on both Ethernet ports. Once the connection is made it is added to the list of connections to service. Broadcast type Tx data is duplicated out on each connection (for example, HCI connection to the matrix from 3rd party applications).

The EHX Server makes a connection on either the main or backup Ethernet port of each system in the linked set. If both are up, this will default to the primary port. In the event that connection is lost to the currently active port on a matrix the EHX server will swap over to using the other Ethernet port. If this connection is lost only on one matrix in a linked set, the others will not be affected.