Specifications

20 IBM Voice Over Frame Relay Perform Guide
Figure 18. BRS Definition
Table 9. Example of BRS Definition
2. You need to determine how to use DE bits. See 4.1.11, “Discard Eligibility
(DE)” on page 69 for details.
Table 10. Example of BRS Definition with DE Bits
3. You need to determine each destination (DLCI) priority and required
bandwidth.
BRS and BRS Super-class priority (that is, urgent, high, normal, low) can work in
only the circuit class that the priority is defined for a particular PVC. It does not
Circuit Class Protocol Class DE bits Priority Reserved
Bandwidth
CLASS16 VoFR Voice Urgent NA
CLASS16 OSPF Local High 10%
CLASS16 IP Default Normal 20%
CLASS16 SNA DLSw High 70%
Circuit Class Protocol Class DE bits Priority Reserved Bandwidth
CLASS16 VoFR Voice OFF Urgent NA
CLASS16 OSPF Local OFF High 10%
CLASS16 IP Default ON Normal 20%
CLASS16 SNA DLSw OFF High 70%
Local 10%
OSPF(High)
Default 20%
IP(Normal))
SNA 70%
DLSw(High)
Super-Class:Voice
VOFR (Urgent)
WAN
DLCI16