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Page 184 of 544 Cabinet distribution over a data network
553-3011-100 Standard 14.00 January 2002
LAN recommendations for Excellent Voice Quality
It is recommended that the Port Based Virtual LAN (VLAN) feature should
be utilized to isolate the Option 11C from the broadcast domain of the
customer’s LAN equipment. This will reduce the risk of link outages due to
broadcast storms.
Packet Prioritizing Scheme
The packet prioritizing scheme can be used to effectively utilize bandwidth.
However, the network delay requirement that the one way trip delay not
exceed 2.5 ms must be met. Support of priority queuing is recommended.
Port priority queuing will help maintain excellent voice quality during heavy
usage or congestion. Refer to Figure 15 on page 184 for an example of port
priority queuing.
Figure 15
Example of Port Priority Queueing Configuration
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