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Quality Of Service (qos) - Panasonic KX-NS1000 Installation Manual

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L2TP is a tunnelling protocol for layer 2 (data link layer) of the OSI model. The send/receive port number for
packets additionally indicates which tunnelling protocol the packets are using.
If the port number is changed by the dynamic NAPT (IP masquerade) feature, the information that indicates
the tunnelling protocol will be lost, and end-to-end communication will be impossible.
To allow end-to-end communication, specified packets from a specified device are allowed to pass through
the WAN–LAN boundary without having their port number changed.
Conditions
Communication across the WAN–LAN boundary is subject to the following conditions.
a.
Access from a LAC
Operate according to the dynamic NAPT settings
b.
Access from a LAC
Only 1 LENS
The L2TP tunnel is established from the WAN side.
The L2TP tunnel's first packet can be sent from either the LAN side or the WAN side.
You must set the LAN-side LENS's IP address.
*1
LENS: L2TP Network Server
*2
LAC: L2TP Access Concentrator
PC Programming Manual References
27.11 Router Configuration—VPN—[3-3] Pass Through

8.6.22 Quality of Service (QoS)

Description
This PBX supports the following QoS (Quality of Service) mechanisms.
You can enable and disable the QoS feature and configure the specific QoS settings.
Setting
QoS Service
Auto QoS VoIP
Upstream Bandwidth
If the WAN line is narrow, sending packets at the link up-speed can cause overflow at the exit point (modem,
etc.) and result in packet loss. To avoid this, the sending bandwidth should be restricted to match the speed
of the WAN line.
This, combined with priority control can allow efficient communication.
Conditions
Only PQ
is supported for priority control. WRR
*1
on the LAN side to the LENS
*2
on the WAN side to the LENS
*2
can be installed on the LAN side.
*1
Priority control
Automatically prioritise VoIP packets (SIP, H.323, MGCP,
RTP)
Set a limit on the number of frames sent of a specified type
on the WAN side:
*1
on the LAN side:
*1
Description
and SP
+WRR
are not supported.
*2
*3
*4
8.6.22 Quality of Service (QoS)
Installation Manual
393

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