User Manual

S350 Series 24-Port (PoE+) and 48-Port Gigabit Ethernet Smart Switches
Configure Switching User Manual137
9. In the Value field, enter the VLAN ID or dot1p value.
This field is enabled only if you select VLAN ID or Dot1p from the Interface Mode menu.
10. In the CoS Override Mode field, select Disable or Enable.
The default is Disable.
11. In the Authentication Mode field, select Enable or Disable.
The default is Enable. When the authentication mode is enabled, voice traffic is allowed
on an unauthorized voice VLAN port. When the authentication mode is disabled, devices
are authorized through dot1x.
Note: Authentication through dot1x is possible only if dot1x is enabled.
12. In the DSCP Value field, configure the Voice VLAN DSCP value for the port.
The range is from 0 to 64. The default value is 0.
13. Click the Apply button.
Your settings are saved.
The Operational State field displays the operational status of the voice VLAN on an
interface.
Configure Auto-VoIP
Voice over Internet Protocol (VoIP) enables telephone calls over a data network. Because
voice traffic is typically more time-sensitive than data traffic, the Auto-VoIP feature provides a
classification for voice packets so that they can be prioritized above data packets, allowing
the switch to provide better Quality of Service (QoS). With the Auto-VoIP feature, voice
prioritization is provided based on call-control protocols (SIP, SCCP, or H.323) or OUI bits.
Configure Protocol-Based Port Settings for VoIP
To prioritize time-sensitive voice traffic over data traffic, protocol-based Auto-VoIP checks for
packets carrying the following VoIP protocols:
• Session Initiation Protocol (SIP)
• H.323
• Signalling Connection Control Part (SCCP)
VoIP frames that are received on ports that for which the Auto-VoIP feature is enabled are
marked with the specified CoS traffic class value.