Precedence-to-precedence
This is an egress profile similar to dscp-to-dscp. This profile will map precedence value 0-7 to precedence value 0-7. It will change the egress queue according to new mapped precedence value.
Topology
Figure 32-154: Precedence-to-precedence topology
Basic configuration
#configure terminal | Enter configure mode |
(config)#enable qos | Enable Qos |
(config)#exit | Exit configure mode |
(config)# qos profile precedence-to-precedence prec_prec2 | Configure qos-map profile precedence-to-precedence with Profile name as prec_prec2 |
(config-ingress-prec-map)# precedence 2 precedence 5 | Configure mapping of prece 2 to precedence 5, so that traffic with precedence 2 should remark to precedence 5 and should take corresponding queue q5 on next DUT |
(config)#exit | Exit configure mode |
(config)# interface xe2 | Configure ingress interface xe2 |
(config-if)#qos map-profile precedence-to-queue prec_prec2 | Map the profile prec_prec2 to egress interface xe2 of 1st node. |
(config-if)#commit | Commit the configuration |
(config-if)#end | Exit the configuration. |
Valodation
#show run qos
qos enable
!
qos profile precedence-to-precedence prec_prec2
precedence 2 precedence 5
!
!
!
!
interface xe2
qos map-profile precedence-to-precedence prec_prec2
!
#show qos-profile prec_prec2
profile name: prec_prec2
profile type: precedence-to-precedence
profile attached to 1 instances
configured mapping:
precedence 2 precedence 5
Detailed mapping:
-------+--------
INPUT | OUTPUT
-------+--------
PREC | PREC
-------+--------
0 0
1 1
2 5
3 3
4 4
5 5
6 6
7 7
Last modified date: 10/16/2023