200Mbps Powerline Fast Ethernet Adapter KIT
-
RPLC-200KIT
- User
’s Manual
-27-
Appendix D: RPLC-200 QoS Support
RPLC-200 allows for 4 levels of Channel Access Priority (CAP (0
– 3)). The 8 levels
of VLAN Ethernet tags must be mapped to the 4 levels of CAP priority, where CAP 3
is the highest priority and CAP 0 is the lowest. CAP 3 priority might be used for voice
and network management frames, and CAP 2 is used for streaming video and music
while CAP 1 and CAP 0 are used for data.
Default CAP
The „Default CAP‟ group allows for default priority mapping of packets that do not
have a VLAN TAG. The settings are available for Unicast (directed to a host).
Unicast - (default CAP 1) - sets the default channel access priority for
unicast frames not matching any other classification or mapping.
IGMP managed Multicast Stream (Fixed to CAP 2) - sets the default
channel access priority for stream data belonging to a snooped IGMP
multicast group.
IGMP - (default CAP 3) - sets the channel access priority for IGMP frames -
these are the group management frames, not the stream data.
Multicast/Broadcast - sets the default CAP for multicast frames not in a
snooped group and for broadcast frames.
The following are the factory default settings for VLAN Tags and TOS Bits:
VLAN Tag User
Priority
Default CAP
Priority
TOS Bit User
Priority
Default CAP
Priority
0
CAP1
0
CAP1
1
CAP0
1
CAP0
2
CAP0
2
CAP0
3
CAP1
3
CAP1
4
CAP2
4
CAP2
5
CAP2
5
CAP2
6
CAP3
6
CAP3
7
CAP3
7
CAP3