DMP 128 Plus • Web Pages 170
QoS/LLDP-MED
1
QoS Configuration
3
Apply Button
2
LLDP-MED Configuration
Figure 206. VoIP Network QoS/LLDP-MED Page
1
QoS Configuration
1. Use the QoS Layer 2 drop-down to specify the PCP (Priority Code Point)
decimal value for layer 2 network frames. The default selection is 3 - Critical
Applications.
2. Use the QoS Layer 3 (SIP) drop-down to specify the DSCP (Differentiated
Services Code Point) decimal value for layer 3 SIP network packets. The default
selection is 24 - Call Signaling.
3. Use the QoS Layer 3 (RTP) drop-down to specify the DSCP (Differentiated
Services Code Point) decimal value for layer 3 RTP network packets. The default
selection is 46 - Voice.
NOTE: Consult the VoIP system administrator before changing any QoS values.
2
LLDP-MED Configuration
1. Select Enable or Disable (default) for LLDP-MED (Link Layer Discovery Protocol -
Media Endpoint Discovery).
2. Select the VLAN ID checkbox to read the voice VLAN ID from the network and
automatically configure the DMP 128 Plus VLAN tag (VLAN must be selected as the
interface for this feature to work).
3. Select the Qos PCP checkbox to read PCP values from the network and
automatically configure layer 2 QoS.
figure 206. QoS/LLDP-MED