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Definity ECS Admin for Network Connectivity.pdf - TextFiles.com

Definity ECS Admin for Network Connectivity.pdf - TextFiles.com

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<strong>Network</strong>ing Screens<br />

A Screens Reference<br />

A message originating on Switch B destined <strong>for</strong> node 6 can use either route 2 or the<br />

implied route. The switch will choose the implied route because it has metric 0 while<br />

route 2 has metric 1. By using the implied route, the message goes directly from the<br />

source to C-LAN2, without passing through C-LAN1. If route 2 had been<br />

administered with metric 0, the switch may have used route 2, which goes through<br />

C-LAN1 to C-LAN2. In this case, if traffic volume were high, the PPP connection<br />

between C-LAN1 and C-LAN2 could be unnecessarily overloaded. Of course, any<br />

destination-6 message already being handled by C-LAN1, such as a message from<br />

Switch A, would have to use route 2.<br />

The same description applies to route 3 and destination 1. There is an implied<br />

metric-0 route with destination 1 and gateway 2.<br />

Route Type<br />

The Route Type is a display-only field that appears on the screen when the change,<br />

display, and list <strong>com</strong>mands are used; it does not appear <strong>for</strong> the add <strong>com</strong>mand. It<br />

specifies whether this is a network or host route.<br />

A network route enables <strong>com</strong>munications between the node specified in the C-LAN<br />

Board field and all nodes on the (sub)network specified in the Destination Node field.<br />

A host route enables <strong>com</strong>munications between the node specified in the C-LAN<br />

Board field and the single node specified in the Destination Node field.<br />

For a network route, the node name in the Destination Node field must be<br />

administered on the Node Names screen where it is associated with a (sub)network<br />

address, not a specific node address. For example, 192.168.1.0 is the network address<br />

<strong>for</strong> the 192.168.1 network.<br />

The identification of an address as a network address or a host address depends on<br />

how the network is subnetted, which is specified by the Subnet Mask field on the IP<br />

Interfaces screen.<br />

Valid Value<br />

network or host<br />

Usage<br />

Display only.<br />

254<br />

<strong>Admin</strong>istration <strong>for</strong> <strong>Network</strong> <strong>Connectivity</strong><br />

CID: 77730 555-233-504 — Issue 1 — April 2000

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