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© Calix. All Rights Reserved.
For more information, see the document
Calix Engineering & Planning Guide: L2 Ethernet Access
Networks
, available on the Calix Resource Center.
Creating and Modifying a DSCP Map for Ingress Traffic
This topic shows you how to create and modify an DSCP Map profile that is applied to
xDSL port interfaces to enable and/or specify a mapping of the incoming frame DSCP
values to IEEE 802.1p priority bits.
To designate the DSCP profile values as the ingress traffic access list, do the following:
1.
In the service tag action that is going to be applied to the data or video service, select
Map a Layer-3 priority
from the P-Bit Source list.
2.
On the xDSL port associated interface where you are going to be provisioning the
data or video service, select the name of the DSCP profile to use from the DSCP/IP
Precedence Profile list.
Note:
The upstream traffic on a service VLAN must have the same priority value as is set
for downstream traffic.
Note:
If IP traffic on an Access Interface has a DSCP setting other than the values included
in the assigned DSCP map, the E-Series system interprets this condition as a mismatch and
uses a "Default" P-bit value from the assigned DSCP Map profile. For example, if you were
using the system-default DSCP Map "Access" and the incoming frames had a DSCP value of
001 001, that value is not included in the assigned DSCP map, so the E-Series would use the
default P-bit value of 0. However, you can create a DSCP Map with a Default P-bit value of
your choice, and then assign the DSCP Map to xDSL port interfaces.
