Cisco Cisco Agent Desktop 8.5 Guia De Configuração Rápida
Configuring and Troubleshooting VoIP Monitoring
34
November 2013
SPAN and RSPAN can both be used in an installation and might be required due to
switch models or RSPAN support.
switch models or RSPAN support.
VLANs
Issue: VLANs can be used to overcome network complexity if configured correctly.
Virtual LANs, or VLANs, are an option for the source of a SPAN session. VLANs are
groups of network devices (switch ports) that do not need to physically exist on the
same switch. In the real world, it is common for the data traffic to be separated from
the voice traffic of IP phone devices. These are usually referred to as voice VLANs and
data VLANs. By doing this, you can reduce the amount of network traffic and also
fine-tune Quality of Service (QoS) for audio traffic so your phone calls sound good.
groups of network devices (switch ports) that do not need to physically exist on the
same switch. In the real world, it is common for the data traffic to be separated from
the voice traffic of IP phone devices. These are usually referred to as voice VLANs and
data VLANs. By doing this, you can reduce the amount of network traffic and also
fine-tune Quality of Service (QoS) for audio traffic so your phone calls sound good.
A particular port can be part of more than one VLAN. This is necessary in a network
where data and voice are separated by VLANs and an agent has a PC with a soft
IP phone installed. In this case, the PC needs access to both normal network data and
where data and voice are separated by VLANs and an agent has a PC with a soft
IP phone installed. In this case, the PC needs access to both normal network data and
Figure 13.
Multiple switch configuration when RSPAN is not supported