Specifications

Design Consideration for a VoFR Network 19
2.8 Strategies for Voice Traffic Prioritization
This section discusses voice traffic prioritization in a voice over frame relay
network.
1. You need to determine each destination (DLCI) priority and required
bandwidth.
Figure 17. BRS Circuit Class
Table 8. Examples of BRS Circuit Classes
1. You need to determine each protocol priority with the customer. Some
customers have the following priority policy:
1. SNA
2. Voice
3. IP
And other customers have the following protocol policy:
1. Voice
2. SNA
3. IP
DLCI Circuit Class Reserved Bandwidth
16 CLASS16 25%
17 CLASS17 25%
18 CLASS18 25%
19 CLASS19 25%
OSPF(High)
CLASS19
DLCI:19
CLASS16
WAN
CLASS18
CLASS17
DLCI:16
DLCI:17
DLCI:16
DLCI:18