Enable Diffserv Replacement Ports - Extreme Networks ExtremeWare XOS Command Reference Manual

QoS Commands

enable diffserv replacement ports

enable diffserv replacement ports [<port_list> | all]
Description
Enables the DiffServ code point to be overwritten in IP packets transmitted by the switch.
Syntax Description
port_list
all
Default
N/A.
Usage Guidelines
The diffserv replacement feature is disabled by default.
NOTE
The port in this command is the ingress port.
Eight user-defined DiffServ code points can be configured on each port. The QoS profile is used to select
one of the eight code points.
If you are using DiffServ for QoS parameters, Extreme Networks recommends that you also configure
802.1p or port-based QoS parameters to ensure that high-priority traffic is not dropped prior to reaching
the MSM on modular switches.
NOTE
This command affects only that traffic in traffic groupings based on explicit packet class of service information and
physical/logical configuration.
BlackDiamond 10K switch only. If a port is in more than one virtual router, you cannot use the DiffServ
feature. The default VLAN DiffServ examination mappings apply on ports in more than one VR. If you
attempt to configure DiffServ information on a port that is in more than one virtual router, the system
returns the following message:
Warning: Port belongs to more than one VR. Port properties related to diff serv and
code replacement will not take effect.
714
Specifies a list of ports or slots and ports to which the parameters apply.
Specifies that DiffServ replacement should be enabled for all ports.
ExtremeWare XOS 11.3 Command Reference