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Example of a Call Spreading Application

For the above application, the X.25 routing table for Passport 4400 unit A would be as follows:

Index Number

Called Destination Prefix (DNA pattern)

Destination Port IfIndex

1

111*

161 (Passport unit defined packet layer IfIndex for port 159)

2

111*

167 (Passport unit defined packet layer IfIndex for port 165)

3

222*

167 (Passport unit defined packet layer IfIndex for port 165)

  1. The first call to DNA 111 will be routed to destination port IfIndex 161.
  2. The second call to DNA 111 will be routed to destination port IfIndex 167.
  3. The third call to DNA 111 will be routed to destination port IfIndex 161.
  4. The fourth call to DNA 111 will be routed to destination port IfIndex 167.
  5. And so on.
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