HP V1910 User Manual

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The device provides the following priority trust modes on a port:
 Trust packet priority—The device assigns to the packet the priority parameters corresponding to the
packet’s priority from the mapping table.
 Trust port priority—The device assigns a priority to a packet by mapping the priority of the receiving
port.
You can select one priority trust mode as needed. a shows the process of priority mapping on a device.
a. Priority mapping process
Introduction to priority mapping tables
The device provides various types of priority mapping table, as listed below:
 CoS to DSCP: 802.1p-to-DSCP priority mapping table.
 CoS to Queue: 802.1p-to-local priority mapping table.
 DSCP to CoS: DSCP-to-802.1p priority mapping table, which is applicable to only IP packets.
 DSCP to DSCP: DSCP-to-DSCP priority mapping table, which is applicable to only IP packets.
 DSCP to Queue: DSCP-to-local priority mapping table, which is applicable to only IP packets.
1 through 2 list the default priority mapping tables.
1. The default CoS to DSCP/CoS to Queue mapping table
Input CoS value Local precedence (Queue) DSCP
0 2 0
1 0 8
2 1 16
3 3 24
4 4 32
5 5 40
6 6 48
7 7 56

HP V1910 Specifications

General

Switching Capacity	56 Gbps
Forwarding Rate	41.7 Mpps
Manageable	Yes
Form Factor	Rack-mountable
Features	VLAN, QoS, Link Aggregation
Operating Temperature	0°C to 45°C
Operating Humidity	10% to 90% (non-condensing)
Ports	24 x 10/100/1000 + 4 x SFP