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Question 301 - 350-501 discussion
Refer to the exhibit.
Refer to the exhibit. A network engineer configures CPE-1 for QoS with these requirements:
IPv4 and IPv6 traffic originated by the CPE-1 WAN IP address must be marked with DSCP CS3.
IPv4 LAN traffic must be marked with DSCP CS1.
IPv6 LAN traffic must be marked with DSCP default.
Which configuration must the engineer implement on CPE-1?
class-map match-any SELF_TRAFFIC
match access-group name SELF_V4
match access-group name SELF_V6
class-map match-all V4_ TRAFFIC
match protocol ip
class-map match-all V6_TRAFFIC
match protocol ipv6
class-map match-all QG_4
match qos-group 4
class-map match-all QG_6
match qos-group 6
!
policy-map LAN-INPUT
class V4_TRAFFIC
set qos-group 4
class V6_TRAFFIC
set qos-group 6
!
policy-map WAN-OUTPUT
class SELF_TRAFFIC
set ip dscp cs3
class QG_4
set ip dscp cs1
class QG_6
set ip dscp default
class-map match-all SELF_TRAFFIC
match access-group name SELF_V4
match access-group name SELF_V6
class-map match-all V4_ TRAFFIC
match protocol ip
class-map match-all V6_TRAFFIC
match protocol ipv6
class-map match-all QG_4
match qos-group 4
class-map match-all QG_6
match qos-group 6
!
policy-map LAN-INPUT
class V4_TRAFFIC
set qos-group 4
class V6_TRAFFIC
set qos-group 6
!
policy-map WAN-OUTPUT
class SELF_TRAFFIC
set dscp cs3
class QG_4
set ip dscp cs1
class QG_6
set dscp default
class-map match-all SELF_TRAFFIC
match access-group name SELF_V4
match access-group name SELF_V6
class-map match-all V4_ TRAFFIC
match protocol ip
class-map match-all V6_TRAFFIC
match protocol ipv6
class-map match-all QG_4
match qos-group 4
class-map match-all QG_6
match qos-group 6
!
policy-map LAN-INPUT
class V4_TRAFFIC
set qos-group 4
class V6_TRAFFIC
set qos-group 6
!
policy-map WAN-OUTPUT
class SELF_TRAFFIC
set ip dscp cs3
class QG_4
set ip dscp cs1
class QG_6
set ip dscp default
class-map match-any SELF_TRAFFIC
match access-group name SELF_V4
match access-group name SELF_V6
class-map match-all V4_ TRAFFIC
match protocol ip
class-map match-all V6_TRAFFIC
match protocol ipv6
class-map match-all QG_4
match qos-group 4
class-map match-all QG_6
match qos-group 6
!
policy-map LAN-INPUT
class V4_TRAFFIC
set qos-group 4
class V6_TRAFFIC
set qos-group 6
!
policy-map WAN-OUTPUT
class SELF_TRAFFIC
set dscp cs3
class QG_4
set ip dscp cs1
class QG_6
set dscp default
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