DSCP and dot1p marking for CPU self-generated traffic

DSCP and dot1p marking for CPU self-generated traffic is not user-configurable, except on the 7210 SAS-Mxp, 7210 SAS-R6, and 7210 SAS-R12 (see QoS for self-generated (CPU) traffic on network interfaces for the 7210 SAS-Mxp, 7210 SAS-R6, and 7210 SAS-R12). Table: Default CPU QoS values for DSCP and dot1p marking lists the default CPU QoS values for DSCP and dot1p marking.

Note:

Protocols such as BGP, RSVP, TLDP, OSPF, and IS-IS are not supported on 7210 SAS platforms operating in access-uplink mode.
For PTP messages, based on the message type (event or non-event), the DSCP value used is either 0x30 (h1) or 0x38 (nc), and the dot1p value is always 7.
DSCP and dot1p values in the table are applicable when remarking is disabled at the port level.

Table: Default CPU QoS values for DSCP and dot1p marking
Protocol	IPv4	DSCP marking	Dot1p marking	Default FC	DSCP values (decimal)	Dot1p values
ARP	N/A	N/A	Yes	NC	—	7
BGP	Yes	Yes	Yes	NC	48	7
Cflowd	Yes	Yes	Yes	NC	48	7
CFM	N/A	N/A	Yes	NC	—	7
DNS	Yes	Yes	Yes	H2	34	4
FTP	Yes	Yes	Yes	H2	34	4
ICMP Req	Yes	Yes	Yes	NC	0	7
ICMP Res	Yes	Yes	Yes	NC	0	7
ICMP Unreach	Yes	Yes	Yes	NC	0	7
IGMP	Yes	Yes	Yes	NC	48	7
IS-IS	Yes	No	Yes	NC	—	7
MSDP	Yes	Yes	Yes	NC	48	7
NTP	Yes	Yes	Yes	NC	48	7
OSPF	Yes	Yes	Yes	NC	48	7
PIM (SSM)	Yes	Yes	Yes	NC	48	7
PTP	Yes	Yes	Yes	H2	48	7
RADIUS	Yes	Yes	Yes	H2	34	4
RSVP	Yes	Yes	Yes	NC	48	7
SCP	Yes	Yes	Yes	H2	34	4
SNMP	Yes	Yes	Yes	H2	34	4
SSH	Yes	Yes	Yes	H2	34	4
STP	N/A	N/A	Yes	NC	—	7
SYSLOG	Yes	Yes	Yes	H2	34	4
TACACS	Yes	Yes	Yes	H2	34	4
TACPLUS	Yes	Yes	Yes	H2	34	4
Telnet	Yes	Yes	Yes	H2	34	4
TFTP	Yes	Yes	Yes	H2	34	4
TLDP	Yes	Yes	Yes	NC	48	7
Trace route	Yes	Yes	Yes	NC	0	7