25-12 User Guide for the Avaya P580 and P882 Multiservice Switches, v6.1
Chapter 25
Supported Number of Queues

Tabl e 25-3 specifies the number of ingress and egress queues that are

available on each module.

Layer 2
DSCP (for bridged IP traffic)
Destination MAC address priority
Source MAC address priority
802.1p tag
Cisco ISL tag
Low Physical port priority

Table 25-2. Precedence of Priorities

Layer Precedence

of Priority Priority Used for Classification

2 of 2

Table 25-3. Modules and Available Queues

Module Ingress Queues Egress Queues

4-port gigabit modules 1 set of 8 queues per
port
Tota l: 4 sets of 8
queues
1 set of 8 queues per
port
Tota l: 4 sets of 8
queues
8-port gigabit modules 1 set of 8 queues per
port
Tota l: 8 sets of 8
queues
1 set of 8 queues per
port
Tota l: 8 sets of 8
queues
24-port 10/100 modules • 1 set of 8 queues for
ports 1–12.
• 1 set of 8 queues for
ports 13–24.
Tota l: 2 sets of 8
queues
1 set of 8 queues per
port.
Tota l: 24 sets of 8
queues
1 of 2