Zcos – Znyx Networks bh5700 User Manual
Page 207

zcos
NAME
zcos - class of service queue control
SYNOPSIS
zcos [-h
[ -u
[ -m q0,q1,q2,q3,q4,q5,q6,q7 ]
[-n
-b
-s
[ -k PRI | RR | WRR | DRR]
[ -w
[ -g
[ -r size list in Kbytes> ] [ -l [ -q all | qmap | qinfo | scheduler ] [ DESCRIPTION zcos provides a means to set many of the hardware features of the switch related to class of The OpenArchitect switch supports up to eight class of service queues for packets to be sent out Packets are selected from the cos queues at a port based on a scheduler, which may be configured Ethernet Switch Blade User's Guide release 3.2.2j page 207
service and differentiated services processing, including scheduling and bandwidth management.
The current settings can also be examined.
each of the Ethernet ports or forwarded to the CPU. Normally, packets are placed in these queues
based on their 802.1p priority for tagged packets or the default priority for the port on which they
arrive. The queue destination for each priority is determined by a map. A separate map is used
for each ingress port. For additional means of setting the cos queue for a packet, see the sections
on filtering and traffic control.
in a variety of modes. The scheduler can provide minimum bandwidth guarantees and limit the
bandwidth used for packets from each cos queue. The total egress bandwidth for a port can also
be limited.